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1. 92e day GSA e2ejday 5 Ji 99 iuipeaJ SI 8S8 Ul 105592014 Duiuse zsa uonae ou uonipuoo UOnIpuoo Bulysel4 zsa uonae ou uonipuoo NO S snonunuo ug 150 pasinbas OU JEWION 440 S 1040 W 9 HO 150 asned o AjayI 150 ajged 517474 105592014 64 UO 0 ajged uoneorunululo 2 pabewep peBBnjdun 104 72945 4 5 19 Ji eas JeuoneJedo uoN s vg3d GSA 50 GSA 7424 105592014 64 82e day 5189 2 5 0010 ees uo jo UON Vg3d 105892019 64 snonunuoy ug isq asned Ajay 150 ajged 517474 JeMod 105592014 Gd UO OL ajged uoneorunululo seu vg3d 105592044 sey SA J 999 0 2 pabewep peBBnjdun 104 72945 4 5 105592014 64 10 amod ON Gd a9ejday GSA uo 5031 72949 19 aes uo jjo euoneJedo uou 1 105592044 HO 150 asned o AjayI 150 ajged vg3d 105592014 Gd UO OL ajged uoneoirunululo 105592044 2 pabewep peBBnjdun 104 72945
2. Go to appropria chart SECTION 3 T912 TROUBLESHOOTING ELECTRICAL PROBLEMS Troubleshooting Flowchart No Display No Device Operation There is no Is LED 4 lit on Check fuses F1 Drive board Remove cable 41170 from the J1 on the Drive board and check for 12VDC between pins 3 and 6 Is the voltage good Reattach 41170 to J1 remove the console and disconnect the cables Check for 12VDC between pins 3 and 6 on the cable 41170 Replace the Drive Board 4 End Is the voltage good Replace the 41170 main cable Replace the Console board C End or F2 on Drive assembly Are the fuses good Replace the blown fuse Yes 2 Measure line voltage to P1 and P6 110V and 5 230V from Configuration plate Is the voltage good Replace the Configuration Plate Assembly Replace the Drive Board C w y Nautilus Commercial T9 Series Treadmill Service Manual 47 SECTION 3 T912 TROUBLESHOOTING ELECTRICAL PROBLEMS T9 12 115 VAC Reference Table for Drawing Reference Part Designator Number Description 1 41265 CONSOLE ASSEMBLY T9 12 2 41286 MEMBRANE KEYPAD 3 41187 TELEMETRY HEART RATE RECEIVER PCB
3. Old firmware is installed Upgrade the firmware Treadmill will not reach maximum Speed limit control may be Refer to Part 2 for adjusting speed activated treadmill maximum speed Treadmill will not reach maximum Time limit control may be activated Refer to Part 2 for adjusting time treadmill maximum time Nautilus Commercial T9 Series Treadmill Service Manual 53 54 SECTION 4 914 916 TROUBLESHOOTING ELECTRICAL PROBLEMS Table 4 2 Electronic Issues continued Walking belt stops and no error User hit the Ergo stop button Press START to resume message appears workout ERGO cable is pinched or abraded Inspect and or replace cable to the ERGO Assembly CHR does not work Contact plates have excessive Replace the contact plates if moisture under them cleaning them first does not resolve the problem Replace the CHR PCB Unit shuts off and wall or Treadmill User s weight is higher than Replace deck belt circuit breaker has opened After recommended speed for that resetting system works fine with no weight or deck belt has worn and load on belt system is pulling more current than the system is designed for Error Reporting The current lists of errors are for the console firmware version 41375 009 or 41376 009 and Drive version 11 and UP The system reports various problems to the user via the display The format includes the text line reporting the error Definitions
4. 1 uo jo J9MOg 0 SI YVAId GSA pue pa ueyas p si sng abeyo sejnuiui 21048 Jaye no 5131 Inun vg3d CSA 100 dn pasamod 0 8JES 517424 GSA pue si sng abeyo sajnuiul z 1noqe Jaye 110 sq nun vg3d GSA ajpuey oq uonipuoo dn pa1aMwod sne 0 Ajay l 150 S vg3d ASA uo 074 0 910675 sajqeo 104 72945 ou UONIPUOD sne 0 Ajay SOW S vg3d ASA uo prd 0 DuroD 91065 s jqe 104 15949 ou UONIPUOD pue 92e daJ papaau 5592 JO 51615 JO 100 pue ay 199051 A 8s0 5 28p au 211 10 Ag pesneo Ajjensn si 10119 SIU 2 uaag sey abeajiw pue 6101 Saduasajaid Jasn se yons 10 19 108892010 pajesauab 143 JeymM pa leyss q s oydede sng abeyoN uBiH juesaJg abeyon sng jsabueq pabueyosig 510128067 sng abeyoN uBiH juesaJg abeyon sng ang jsabueq leuoneJado uoN si Alddns 18Mog aAupaJg AGI
5. 197 GSA 89ejday GSA e ejdey leued ay 9 994 jaued ajeusayye au J ajqesado Mou shay JayJaym poob umouy 198UuO09 pue p1eoq 105592044 082 pJeog a 129102510 559228 0 02 Je8J uado 51515190 Cd pue 4 99 AJIJ8A 0 ue asp uonoy puo5 s pue ag au 82ejdaJ papaau J 55 2 suDis JO 00 pue ay 1999 A 8s0 3 y uo JO an s S892xa pesneo Ajjensn 1 10119 SIU 5189 2 5 qo4d Ji ees pue 1e Mod 2 Vg3d ISA 01 pe128uuoo s 10 8Jnsu3 SJ8quii pe9J JO S IUpeaJ ui 101 u0 105592014 64 GSA uo Vdd 105592014 64 017 51290109 uoneoiunuiulo eoejdey Janis si u3 uA 0 Aay yoea ssaJg sAay 9529109 paads pue aseaJou paads au 5 1591 01 10195 ueu1 31 3 9 onsouDeiq ueu1 87312 55910 ejqissod J 10119 14 asned os e IM V8g3d GSA uo 81d o1 y A iedoud SJO9UUOISIP y31nb ayym pue p8J zey 995 01 15949 e pa
6. Yes Grade motor work Replace the Drive Board 42 SECTION 3 T912 TROUBLESHOOTING ELECTRICAL PROBLEMS Troubleshooting Flowchart Motor Movement without Commands Error 2 Treadmill elevates without user program command Isa Err Grd2 present Other Err Code displayed No Go to appropriate chart No v Cycle Power and activate workout Monitor condition may have and change grade while monitoring next step intermittent connection to J3 on Drive Board or Grade motor No Replace Drive Grade LEDs on Hood show motion board v Remove main cable 41170 from the Drive board as the machine inclines Does grade Yes motion stop console cable AND OR Console board Replace Drive board Nautilus Commercial T9 Series Treadmill Service Manual 43 SECTION 3 T912 TROUBLESHOOTING ELECTRICAL PROBLEMS Troubleshooting Flowchart Grade Position Out of Range Error 3 Treadmill will not elevate Isa Err Grd3 gt present Yes Commence Actuator calibration procedure This will involve removing the Actuator Did Grade Var Other Err Code displayed No v Monitor condition may have intermi
7. 4 SPEED UP OR SPEED DOWN SETTING CHANGES 5 ENTER CUSTOMIZE e CLEAR THE RESULTS YOU WANT Default setting Setting could be different Table 2 16 Cool Down Time Step No Press Keys on Console Display What you wiles 1 Dr _ 2 SPEEDUP OR SPEED Down cOOLDOMWTME a UP OR SPEED DOWN COOLDOWN SETTING CHANGES s mm s um mERESUUSYOUWANT Default setting Setting could be different if the treadmill was customized Table 2 17 Change Units stop no Press Keys on Console Whatyouwilaee 1 SPEEDUR ENTER 2 SPEEDUPORSPEEDDOWN CWWGEUMIS 00 4 SPEED UP OR SPEED DOWN SETTING CHANGES TO METRIC OR USA 5 ENTER CUSTOMIZE e CLEAR THE RESULTS YOU WANT Default setting Setting could be different Nautilus Commercial T9 Series Treadmill Service Manual 27 SECTION 2 CONSOLE CODES Table 2 13 HR Inputs Press Keys on Console Display What you will see SPEED UP 3 ENTER CUSTOMIZE SPEED UP OR SPEED DOWN HR INPUTS Default setting Setting could be different Table 2 19 Select Statistics Model T916 Only mumr rrrr a ereeo ur on seen pow seu To sect 5 ER CURRENT SETTING OR OFF 6 sPEEDUPORSPEEDDOWN TOGGLES BETWEEN ON AND OFF e emmm sumveow efault setting Setting could be different
8. euonejadQ si Alddns 18Mog 8AupaJg euoneJado uoN S Ajddng JJA AG 240321990 Ajddng 1 JJA AG 1 NagyleM sueaw 143 JeymM 4011 IN08d33 10219 10114 NVH 9185 10113 ule Bold 10113 MTY 10413 1591 1195 Z 40 950 950 40 950 950 40 750 up 750 HO 250 ug esq 2 ug zsa uo 31 L 61 Nautilus Commercial T9 Series Treadmill Service Manual T914 916 TROUBLESHOOTING ELECTRICAL PROBLEMS SECTION 4 4 556 U9Y u0n928Jlp 1994109 4 pue uonisod ape46 0 3nsouDeip 10 51 4 20 2191 09 pue dn 51 1 20 2 8316304 Ajjenuew 9 awed 1010 1 51 Ajesiueyaaw asimsauig pseog peBBn dun s 062 Josuas Jod Ji 9 0 7292 41 S 19V 30V99 JI 96 uonea4nDijuo 92 51515190 119190419 J GSA 89ejday 1 opeJD sejd y GSA 89ejday asneo 01 Ajay 150 SI Vdd ISA UO 06 0 ajqey pajaauuo0d Vdd ISA 94 0 91965 16 96 uoneanDijuo 9
9. RTT 6 Adjusting Belt Tension 7 Adjusting Belt Tracking 8 Replacing the Walk anne ana 8 Replacing the Contact Heart Rate CHR Sensors 13 Updating the Console 14 14 Model T914 amp T916 14 SECTION 1 MAINTENANCE Viewing Maintenance Information Model T912 The total time and distance the treadmill has been in use can be viewed using the Maintenance Screens This information can help you schedule treadmill maintenance and check treadmill usage To view the treadmill s total Run time and total Distance information 1 Press and hold ENTER and STOP keys on the console for at least 3 seconds 2 Use the INCLINE UP DOWN keys to scroll to ConF selection 3 Press the QUICKSTART key 4 Use the INCLINE UP DOWN keys to scroll to view TOTAL HOURS and TOTAL MILES Model T914 amp T916 In addition to the total time the distance the 1914 or 1916 treadmill has been in use can be viewed using the Machine Status console codes To view the treadmill s run time information 1 Press the SPEED UP key on Ergo Bar then 4 ENTER on the console 2 The words Machine Status will be displayed 3 Press the SPEED UP key on Ergo and scroll to Run Hours 4
10. Enter Speed CHR Percent Enter Age 10 99 Enter Level 1 20 Enter Weight Customize Key Sequence 3 Enter Ao ss 4 Contrast Adj Lower Contrast Adj Upper d HR Inputs Coal Down Max Time T9 14 16 Service Screen Overview Machine Status Key Sequence 4 Enter Maint Hours Distance Workouts Run Hours R D Key Sequence 5 Enter Com Timeout Diagnostics Key Sequence 6 Enter Grade ACT Bus Volts A Sensor B Serial Ports Display Test O mautuus Maintenance Change Machine Key Sequence 8 Enter Enter Logs Key Sequence T Enter TC TM Contig ROD Maint Hours Treadclimber Notes 1 To access a specific service menu enter the key sequence shown under the menu title the character indicates the speed LIP key 2 Navigation through the various service screens is accomplished using the incline updown keys the speed up down kays Kevin Andrews Rey 1 0 10 28 05 SECTION 2 CONSOLE CODES Cardio You can customize several default settings on the Nautilus Commerical Series Models 1914 and T916 treadmills to conform to your individual requirements including changing the weight Level Fat and Calorie Burn workouts e workout time user age percentage of Maxmum Heart Rate for Target HR in HR Zone Trainer treadmill speed and initial speed f
11. Warning A message display that appears on the console display that informs you of a condition that requires attention but does not stop treadmill operation Error A message display that appears on the console display that informs you of a condition that halts the operation of the treadmill and which requires immediate attention Table 4 3 Error List NO ERROR Displayed in the Error Log if no Placeholder label events PROGRAM Error Start up Stops operation ALL Microprocessor fails self test ERROR program memory chksum error Display will be blank and the console will beep twice STATIC RAM Start up Stops operation ALL Microprocessor fails self test ERROR RAM chksum error Display will be blank and the console will beep It will beep three times for an Internal RAM error It will beep four times for an external RAM error EEPROM ERROR Error Start up Stops operation ALL Microprocessor fails self test EEPROM chksum error All of the EPROM values will be loaded with the defaults No error message appears SECTION 4 T914 916 TROUBLESHOOTING ELECTRICAL PROBLEMS Table 4 3 Error List TM HW COM Error Anytime Goes to idle Treadmill Treadmill UART hardware link failure ERROR slowly stops COM ERROR Error Anytime Goes to idle Treadmill Treadmill drive communication failure slowly stops DRIVE ERROR Error Program operation Goes to idle Treadmill drive VSD failure possible Treadmill stops
12. 526415 KIT MOTOR CNTRLR HARDWARE Sv Swasai 1 82616 KIT FLYWHEEL CAST NTR SV 1 S294 KIT MOTOR MOUNT HARDWARE SV 1 S29 KIT ELEVATIONMOTOR SV Swap 2 2423 KIT COVER UPRIGHT TORR SV Swap 2 82644 KIT COVER UPRIGHT ToP 1 5247 KIL KIKPLATESV OOS Csm2s428 1 62428 KIT HARDWARE KICK PLATE SV 2 5286431 KI MOTORCOVER T22 SM26432 277 52492 KIT LED MODULE MOTOR SV Sweroo 1 290 FASTA 20 SM27233 1 27288 KIT CONNECTOR swa 1 Fiter nose Re NO NO IN NO I le SS FO Ie eS ey N N Nautilus Commercial T9 Series Treadmill Service Manual 79 SECTION 6 PARTS LIST AND EXPLODED VIEWS PART NUMBER WARRANTY MFG PART DESCRIPTION CODE NUMBER SECTION 6 PARTS LIST AND EXPLODED VIEWS PART NUMBER WARRANTY MFG PART DESCRIPTION CODE NUMBER Nautilus Commercial T9 Series Treadmill Service Manual 81 SECTION 6 PARTS LIST AND EXPLODED VIEWS Parts List Model T9 12 ADDITIONAL COMPONENTS T912 110V DOMESTIC TV WARRANTY SKU 00060 004 PART NUMBER WARRANTY MFG PART DESCRIPTION CODE NUMBER SM41588 41588 ASSY SWITCH PLATE T7 S T9 12 SM41128 41128 CIRCUIT
13. 4 5 euoneJado JejnDaJJ Gd aoejday 19 eas uo Jo JeMOg UON YgId 105592044 164 buiysel4 190 a1ey uonae ou uonipuoo Uonipuo eW JIoN Bulysel4 Sg 105592019 64 9961491 01 sai quiasse ya ym 1018 031 10 511015 Mma nay 10118 Ue JO au moys jou s op 131 y sq31 571016 Jo sn uonoy sueaw 143 3euM uo 4 u1no4 uonoy uonoy 60 T914 916 TROUBLESHOOTING ELECTRICAL PROBLEMS SECTION 4 uonoy uunoj 9168 92e day 92e day 1010 A e2e day uonoy uunoj uonoy pitu l Vg3d ISA 39ejday 99 GSA 92ejday Vdd GSA 92ejday uonoy pau p 10ss820Jg 184 aoejday 105592044 L d 82ejday uonoy puo5 s td pue 64 sesnj VAId 01 48jeuiulo ue asp 64 595 01 1 ue asp sajqeo Jo 104 199479 sie 5 19 9010 Ji 99 u0 JJ0 4 uonoy 01 uoneunBijuoo pue synejag 5189 2 5 919044 eas 0 0 5189 2 5 11914044 Bas
14. Table 2 20 Language 1 SPPEDURS ENTER 2 SPEEDUPORSPEEDDOWN SPEED UP OR SPEED DOWN ENGLISH GERMAN SPANISH FRENCH ITALIAN DUTCH JAPANESE PORTUGUESE Default setting Setting could be different 28 SECTION 2 CONSOLE CODES Table 2 21 Upper LCD Contrast Press Keys on Console Display What you will see SPEED UP 3 ENTER CUSTOMIZE SPEED UP OR SPEED DOWN UPPER CONTRAST SPEED UP OR SPEED DOWN CHANGES CONTRAST IN UPPER LCD SCREEN Step 2 _ c 5 Default setting Setting could be different Table 2 22 Lower LCD Contrast Step No Press Keys onGonsole spay nmatyanwilsee _ a SPEEDUR ENTER fosron ooo 2 SPEED UPORSPEED OWN LONERCONTRAST a SPEED UP OR SPEED DOWN CHANGES CONTRAST NLOWERLGDSGREEN 5 Default setting Setting could be different Table 2 23 Max Speed 1 SPEEDUR ENTER o o o 2 SPEEDUP ORSPEEDDOWN o a SPEEDUP OR SPEED DOWN SETTOMAXMUMSPEEDOFYOURCHOOBNG Default setting Setting could be different Table 2 24 Enable Mag Key Press Keys on Console Display What you will see SPEED UP 3 ENTER CUSTOMIZE SPEED UP OR SPEED DOWN ENABLE MAG KEY SPEED UP OR SPEED DOWN TOGGLES BETWEEN OFF AND ON Step No NN 2 _ x 5 _ Default setting Setting could be different Nautilus Commercial T9 Series Treadmill Service Manual 29 SECTION 2 CONSOLE CODES Table 2
15. 12 Warranty Terms Please note that warranty terms may differ outside the U S A Contact your local dealer or distributor your country to receive the warranty terms for your area Code 1 3 Year standard coverage on parts Code 2 1 Year standard coverage on wearable parts Code 3 15 Year standard coverage on frame and motor T912 110V WARRANTY B O M SKU 00060 001 PART NUMBER WARRANTY MFG PART DESCRIPTION CODE NUMBER Csm 17 204 PLATE HARDWARE Swap 2 2629 KIT COVERMOTORFRONT SV _ a oma 2206 1 2206 SCREW 375 16 250 1 220 WASHER SBUSSFLAT Csm22074 1 22074 EDGETRM RUBER _ Swezors 1 22076 EDGETRM RUBBER GAX18S2 _ Csm2207 1 227 NULSB 6NCFNISHHEX SM22246 1 22246 SCREW 3 16X100 HEXHDCAP Swasr 1 299 WASHER SBSPLTLOCK 1 1 2462 SCREW 14 20 3 8 NCHBUTTONHDSO SM26401 s 62407 KIT GRADE WELDMENTASSY SV SM26402 2 52402 KIT WHEELASSY SV _ _ SM26403 1 526403 KIL BEARNGASSY IGUS SV _ swaps 1 526404 KIT COMPRESSION MOUNT SV Swasaos ___ 826405 KIT DECK HARDWARE SV ___ 5286406 KIT BRACKET FRONT ROLLER SV Swap 3 82607 KI SPEEDSENSORSV Swasaos 1 826408 KIT HARDWARE EXTRUSION SET SV 1
16. 24B Auto Stop Press Keys on Console Display What you will see SPEED UP 3 ENTER CUSTOMIZE SPEED UP OR SPEED DOWN AUTOSTOP SPEED UP OR SPEED DOWN TOGGLES BETWEEN ON AND OFF ENTER CUSTOMIZE 3 ENTER N A IF NOT AVAILABLE OFF OR ON WITH CURRENT PRESSURE COUNT IN WINDOW CLEAR THE RESULTS YOU WANT Table 2 25 Set Defaults Step No Press Keys on Console Display What you will see 1 sPEED UP 3 ENTER CUSTOMIZE 2 SPEED UP OR SPEED DOWN SET DEFAULT ENTER DONE 4 CLEAR TWICE THE RESULTS YOU WANT 30 Machine Status Use the machine status codes to view maintenance information such as the e machine run time hours e number of workouts e distance traveled e console version e configuration setting motor drive version and e machine run time hours since last cleared for servicing purposes SECTION 2 CONSOLE CODES To scan through and change the owner defined codes perform the following steps Table 2 26 Machine Status Press Keys on Console Display What you will see 422 sPEED UP 4 ENTER MACHINE STATUS SPEED UP OR SPEED DOWN RUN HOURS WORKOUTS DISTANCE CONSOLE CONFIGURATION TM DRIVE VERSION MAINT HOURS eLEAR THE RESULTS YOU WANT To view a particular machine status without having to scan through allthe choices perform the following steps for that listed option Table 2 27 Run Time Hours Step No Press Keys on Console Demy wnat youwinso SPEEDUR 4 ENTER o 2 SPE
17. 491 51515190 40404 J GSA 89ejday N99p uado U31IANS BUu18Uu JoJoyy amod 9 242 pue umop 002 191 wajgoijd 5 01 Aj9y 150 SI 99 ASA UO 004 01 PaJ9auuos ase 7894 GSA 94 0 19 uoneunBijuoo y uonea4nDijuo aoejday GSA 92e day uonoy uonoy S 9 aseaJooe ape g pue aseaJ2u au umop JO dn apeJD 1sn pe oj 0 uey 9 40 G 1940 Huilpeas si apes6 au J sAay 9529129 0 paads pue oseaJ2u paads au 30V85 0 0135 UaU H3 1N3 9 eseaj2u paads apo A 215040210 01 09 121 55944 asned o 1sou s Vg3d ISA 004 01 vg3d GSA 0 y yb y 10 00 S 10113 540182112905 si Indu 10 00 S 10413 80062112905 si Indu GL Jeddn Jo 60 51 LINN 089 9 ISA eui 1071 10 3409 34 YIM JOUUEI V
18. 6 06 41588 001 004 41128 001 004 41607 002 003 005 41152 002 003 005 SM26414 41094 001 004 17654 002 005 41313 002 003 005 41197 001 004 After 6 06 41589 j 27283 Cord clamp 17787 RF connector VJ 17847 Cable TV harness SM26418 001 004 e 41289 002 003 005 84 SECTION 6 PARTS LIST AND EXPLODED VIEWS N AM S gt N Nautilus Commerc ial T9 Series Treadmill Service Manual 85 SECTION 6 PARTS LIST AND EXPLODED VIEWS 41262 SM26402 41001 SM26401 22 9100403 41271 41261 36271 001 86 SECTION 6 PARTS LIST AND EXPLODED VIEWS Uv Nautilus Commercial T9 Series Treadmill Service Manual 87 SECTION 6 PARTS LIST AND EXPLODED VIEWS 0071716 wm 88 SECTION 6 PARTS LIST AND EXPLODED VIEWS Nautilus Commercial T9 Series Treadmill Service Manual 89 SECTION 6 PARTS LIST AND EXPLODED VIEWS PARTS LIST AND EXPLODED VIEWS SECTION 6 41154 41158 SM26428 SM26427 41265 001 002 003 41612 003 After 6 06 41627 004 005 41086 Rear housing 41091 PCBA 41101 Front housing 41157 Bezel 41161 Cable 41173 ROC cable 41174 HR cable 41286 Keypad 41170 cable 41478 57 compatible ext Handrails 41604 Retro ext Handrails SM41315 4 BOLT UPRIGHT SM42600 3 BOLT UPRIGHT 91 N
19. BREAKER THERMAL 20 AMP SM17787 17787 CONNECTOR RF 3MM F SM17847 17847 ASSY HARNESS TV PWR T914 T916 SM41627 41627 ASSY CONSOLE T912 TV OPTION T912 220V DOMESTIC WARRANTY SKU 00060 002 PART NUMBER WARRANTY MFG PART DESCRIPTION CODE NUMBER T912 220V DOMESTIC TV WARRANTY SKU 00060 005 PART NUMBER WARRANTY MFG PART DESCRIPTION CODE NUMBER SM17847 SM27283 SM41182 SM41210 SM41286 SM41315 SM41607 SM41627 8 747117 SM27283 1 8 42 11 SM44240 1 SM41289 171 SM41313 7 smeo 11 8441627 17 ____ SECTION 6 PARTS LIST AND EXPLODED VIEWS T912 230V INTERNATIONAL TV WARRANTY SKU 00060 003 PART NUMBER WARRANTY MFG PART DESCRIPTION CODE NUMBER SM17847 SM27283 27283 5 30579 016 30579 016 SM41182 SM41153 SM41210 SM41289 SM41313 SM41607 SM41612 SM17847 117 SM27283 171 5 305706 1 2 1 SM41153 1 SM44240 171 ____ SM44239 fi SM41313 7 SM44607 7 smsi i 2 Nautilus Commercial T9 Series Treadmill Service Manual 83 SECTION 6 PARTS LIST AND EXPLODED VIEWS 41095 001 004 41210 002 003 005 41477 41190 HARNESS 41263 41271 SM26417 SM26407 41199 Cable tach extension SM26416 41153 003 ONLY DETAIL A 4 SCALET 2 30579 016 003 ONLY 7 a 1 41627 001 41390 002 003 27283 Cord clamp 41128 15 amp CB 41152 10 amp CB SM26415 35918 005 After
20. GS BE ES 35 E moo Es mom mo m 46 CONSOLE 9 J8 J7 MAGNETIC SAFETY SWITCH PCBA DC MOTOR CONTROLLER UPPER COMMUNICATION GRN gt P1 BRN gt P3 BLU gt P6 J3 GRN gt F8 2 RED gt P9 BLK gt P10 GRN DIAGNOSTIC LED PCBA ASSY SPEED CONTROL CABLE ASSY MAGNETIC SAFETY SWITCH CABLE ASSY INCLINE SENSOR CABLE SERVICE MANUAL WIRING DIAGRAM 115 VAC REVISION A J1 i CABLE ASSY CABLE SPLIT MOTOR CONTROLLER UPPER COMMUNICATION CABLE ASSY INCLINE DRIVE RED gt P4 CABLE DC MOTOR gt 2 CONTROL WHT gt P7 INCLINE MOTOR WALK BELT 5 MOTOR SPEED CONTROL MAGNETIC REED 2 SWITCH Nautilus Commercial T9 Series Treadmill Service Manual 49 50 SECTION 3 T912 TROUBLESHOOTING ELECTRICAL PROBLEMS T9 12 230 VAC Reference Table for Drawing Reference Part Designator Number Description 1 41265 CONSOLE ASSEMBLY T9 12 2 41286 MEMBRANE KEYPAD 3 41187 TELEMETRY HEART RATE RECEIVER PCBA 4 41191 TELEMETRY HEART RATE ROC CABLE ASSEMBLY 5 41174 TELEMETRY HEART RATE CONSOLE CABLE ASSEMBLY 6 41091 CONSOLE PCBA 7 41449 TOUCH SENSOR KEYPAD ASSEMBLY 8 41193 TOUCH SENSOR ROC CABLE ASSEMBLY 9 41173 TOUCH SENSOR CONSOLE CABLE ASSEMBLY 10 41161 DC MOTOR CONTROLLER UPPER COMMUNICATION CABLE ASSEMBLY 11 41194 MAGNETIC SAFETY SWITCH CABLE ASSEMBLY 12 40854 MAGNETIC SAFETY SWITCH PCBA 13 41170 DC
21. MOTOR CONTROLLER LOWER COMMUNICATION CABLE ASSEMBLY 14 41390 CONFIGURATION PLATE ASSEMBLY 15 41313 DC MOTOR CONTROL PCBA 16 41289 INCLINE MOTOR 17 41210 WALK BELT MOTOR 18 41151 DIAGNOSTIC LED PCBA ASSEMBLY 19 41199 SPEED CONTROL CABLE ASSEMBLY 20 41149 SPEED CONTROL MAGNETIC REED SWITCH 21 41153 HARMONICS FILTER INTERNATIONAL UNITS ONLY LEELEE ESSERE Sg d T Es Es SEES T EEE S T E TE TE F ESSE E TE TE EEE SE dF ERDE I ILUS T9 1 2 CONSOLE ASSEMBLY MEMBRANE KEYPAD 2 REMOTE OPERATOR CONTROL oo gt 1 BRN P GRASPS CIRCUIT BREAKER S i CONSOLE ASSEMBLY TREADMILL Be ROC a SERVICE MANUAL TELEMETRY WIRING DIAGRAM lt HEART RATE ee CONSOLE 230 VAC TELEMETRY HEART a ROCLEFTSIDE RATE CABLE ABBY i REVISION A tC zZ i m i TOUCH SENSOR 9 H 9 KEYPAD ASSY TOUCHSENSOR CONSOLE TOUCH i l CABLE ASSY ROC SENSOR CABLE 7 MAGNETIC SAFETY RIGHT SIDE xu SWITCH CABLE ASSY pe 9 i scu slo DC MOTOR CONTROLLER O UPPER COMMUNICATION pa O 1 _ CABLE ASSY amp 1 gt CABLE SPLIT dp BLU gt N MOTOR CONTROLLER T T ERI gt
22. Press QUICK START on the ergo bar Step 7 Press QUICK START again to pause auto calibration Step 8 Press ENTER to begin manual calibration Step 9 Press QUICK START on the ergo bar Step 10 Press QUICK START on the ergo bar Step 11 Press QUICK START on the ergo bar to Figure 6 access the incline low setting SECTION 5 TROUBLESHOOTING MECHANICAL PROBLEMS Step 12 The unit must read 194 counts or 1 count To adjust the number displayed to 194 use the up or down incline keys on the ergo keypard Step 13 Press QUICK START to exit calibration Step 14 Power down the machine T914 T916 Actuator Calibration Step 1 Plug the machine into the outlet and turn power back on Step 2 On the Ergo Bar keypad press the INCLINE key up arrow to 4 incline The shaft on the actuator will rotate for a short amount of time NOTE Wait for the shaft to stop rotating before proceeding Step 3 On the Ergo Bar keypad press DECLINE key down arrow to 0 incline The shaft on the actuator will rotate in the opposite direction NOTE Wait for the shaft to stop rotating before proceeding THE ACTUATOR IS NOW CONSIDERED Zero a Out Figure 9 34 When calibration is complete Adjust the Grade nut to show 2 3 threads on the bottom of the shaft see Figure 7 Note Do not allow the shaft to move as the nut is manually turned 35 Align the Grade nut in the Grade weldment than attach the
23. Shipping and Storage Domestic international 220VAC model 115VAC 220VAC 20A 10 4 8 hp 230VAC 60 Hz 3 Phase Two Line Text Data and 1 Matrix 20Hx31W Back lit LCD 85 in 2m T9 14 88 in 2 25m T9 16 35 in 89cm T914 35 in B9cm T916 48 in 1 2m T914 48 in 1 2m T916 400 Ibs 181 kg 22 in W x 60 in L T9 14 56 m W x 1 5 m L 22 in W x 63 in L T9 16 56 m W x 1 6 m L low friction belt and deck that requires no waxing or lubrication Crowned front and rear rollers center the belt automatically 0 5 to 12 mph 8 km h to 19 3 km h 0 to 1596 Fourteen Speed Incline Interval stage Time Percent of Max HR Pace Vertical Distance Heart rate elapsed time calories burned caloreis burned per hour watts METS distance and workout profile Polar compatible wireless and contact heart rate Quick Start Manual Fat Burner Calorie Burner Speed Intervals HR Zone Trainer HR Interval Custom Intervals Distance Goal Calorie Goal Random Play Fit Test and Firefighter Fit Test Military Fit tests may be provided T9 16 5 minute Demo and 20 Standard Workout English German Spanish French Italian Dutch Portuguese 50 90 F 10 32 13 122 F 25 50 3 95 relative Limited to 90 32 maximum dew point 3 95 relative Limited to 90 32 maximum dew point 8 60 15 0 psia 445 775 mm Hg absolute 8 22 15 0 psia 425 775 mm Hg
24. T9 Petroleum based Grease 3 in 1 Oils treadmill grade pivot shafts Mobile 28 Grease 122 SECTION 7 APPENDIXES Appendix B Using a Multimeter How to Use a Multimeter This is a basic overview of mutlimeters For in depth directions please use the manual provided with your multimeter Whats Does a Multimeter Do A multimeter combines the functions of three instruments ammeter measures current voltmeter measures voltage and ohmmeter measures resistance Electronic signals are usually thought of in terms of voltage For that reason and because it is an easier measurement to take we will use the volts setting We will not want to use the ammeter setting to troubleshoot fitness equipment The ohmmeter setting is used to determine whether there is an open circuit a bad connection or break in the wires or a short circuit two wires that normally would not come in contact with each other have been pinched together or crossed in some way Ohmmeters work by passing a small current through the wire or component and measuring the voltage produced Type of Multimeters Multimeters are available in digital and analog models Digital meters give an output in numbers usually on a LCD Analog meters move a needle along a scale We recommend using a digital meter While analog meters can be very cheap they are difficult for beginner to read accurately especially on resistance scales Also the components are delicate a
25. The current Run Hours will be displayed 5 Press the CLEAR key to exit To view the total distance the treadmill has been used 1 Press the SPEED UP key on Ergo Bar then 4 ENTER on the console 2 The words Machine Status will be displayed 3 Press the SPEED UP key on Ergo Bar and scroll to Distance 4 The current Distance in the current machine units Miles KM will be displayed 5 Press CLEAR to exit Routine Maintenance Schedules Performing routine maintenance will help prevent unnecessary wear to the treadmill and or injury to the user The maintenance schedules are meant only to serve as a guide Depending on where and how the treadmill is being used more frequent routine maintenance may be required Nautilus amp Commercial T9 Series Treadmill Service Manual 5 SECTION 1 MAINTENANCE Daily Inspect the power cord and walking belt for wear e Check the position of the walking belt Verify it is not rubbing against the frame The belt should be evenly spaced on the deck within 0 25 inches of each side rail Adjust the belt if necessary e Check the optional side handrails to ensure they are fastened securely Remove potential hazards from the treadmill area Cleaning Keeping the Nautilus Commercial series T9 treadmill clean on a regular basis will help to improve operation and increase the lifespan of the components CAUTION DRY MOP THE DECK UNDER THE BELT ONLY DO NOT ADD ANY LUBRICANTS
26. absolute IMPORTANT CONTACT NUMBERS If you need assistance please have both the serial number For technical assistance and a list of distributors of your machine and the date of purchase available when in your area please call or fax one of the following you contact the appropriate Nautilus office listed below numbers OFFICES IN THE UNITED STATES INTERNATIONAL CUSTOMER SERVICE e TECHNICAL CUSTOMER SERVICE e INTERNATIONAL OFFICE Nautilus Inc Nautilus International S A World Headquarters Rue Jean Prouv 6 16400 SE Nautilus Drive Vancouver Washington USA 98683 Phone 800 NAUTILUS 800 628 8458 Email customerserviceQnautilus com Fax 800 523 1049 e CORPORATE HEADQUARTERS Nautilus Inc World Headquarters 16400 SE Nautilus Drive Vancouver Washington USA 98683 1762 Givisiez Switzerland Tel 41 26 460 77 77 Fax 41 26 460 7 7 70 Email technics nautilus com INTERNATIONAL OFFICES e SWITZERLAND OFFICE Nautilus Switzerland S A Tel 41 26 460 77 66 Fax 41 26 460 7 7 60 Phone 800 NAUTILUS 800 628 8458 e GERMANY and AUSTRIA OFFICE Nautilus GmbH Tel 49 2204 610 27 Fax 49 2204 628 90 e TALY OFFICE Nautilus Italy s r l Tel 39 031 51 10 86 Fax 39 031 34 24 97 e UNITED KINGDOM OFFICE Nautilus UK Ltd Tel 44 1908 267 345 Fax 44 1908 26 7 346 e CHINA OFFICE Nautilus Representative Office Tel 86 21 523 707 00 Fax 86 21 523 707 09 Nautilus Commercial T9 Series
27. and Cleaning 4 1 Check the compression mounts for any wear and cracking Make sure they are tight 4 2 Check the deck for signs of wear Important Do not apply any cleaners or petroleum products to the deck surfaces 4 3 Inspect the motor drive belt for wear and cracking Cracking is prevalent between the grooves on the belt 4 4 Vacuum the deck and inside the motor housing 5 Installing the New Walk Belt 5 1 Slip the new belt over the deck Make sure the arrow on the inside surface of the walk belt points in the proper direction of belt travel see Figure 5 1 toward the rear of the machine 5 2 Lift the deck with the installed new walk belt and place it on the compression mounts DUN THIS ees 5 3 Lift and slide the belt until the arrow is visible on top gt ofthe deck Verify that it points toward the back ofthe Faure sc treadmill 6 Attaching the Deck 6 1 Align the deck mounting holes with the compression mounts 6 2 Install all eight 8 deck screws and hand tighten 6 3 Use Loctite 243 and a 10 mm socket to tighten all the screws to 15 16 1 7Nm CAUTION DO NOT OVER TIGHTEN THE DECK SCREWS OVER TIGHTENING THE DECK SCREWS WILL DAMAGE THE COMPRESSION MOUNTS Nautilus Commercial T9 Series Treadmill Service Manual 11 SECTION 1 MAINTENANCE 7 Reinstalling the Front Roller 7 1 Slide the front roller inside the walking belt Cut Out 7 2 Insert the end of the roller opposit
28. electrical and electronic problems While the information in these tables may not resolve all problems they should help you isolate the area affected by the problem Table 4 1 Electrical Issues There is no display Circuit breaker on the treadmill Set the treadmill circuit breaker to hood is off ON Treadmill power cord is not Plug in the power cord then set the plugged in treadmill circuit breaker to ON There is no power at the wall Check the building circuit breaker outlet There is an internal electrical Refer to the wiring schematics problem located in this section of the manual There is a blown fuse Replace F1 or F4 on the Configuration Plate assembly Circuit breaker trips during normal There is a power fault Inspect walk belt for wear operation pere There is an insufficient power e Make sure the outlet voltage Source is 115VAC USA or 230VAC International or 10 The treadmill is not on its own Plug the treadmill into its own 20 dedicated circuit amp dedicated electrical outlet Treadmill will not change grade Fuse is blown Replace blown fuse F2 on the Configuration Plate assembly There is an internal problem Cycle the circuit breaker switch on the treadmill Replace the grade actuator motor Grade actuator motor runs but Grade actuator motor is bad Replace the grade actuator motor grade never changes Table 4 2 Electronic Issues
29. operation Error A message display that appears on the console display that informs you of a condition that halts the operation of the treadmill and which requires immediate attention Table 3 3 Error List Err LS Error Stops operation after 3 5 seconds of Loss of tach sensor signal between belt movement Console and Magnet on front roller Err OS Error Stops operation quickly after Console Drive system has lost ability expected speed signal 1 NOT to control speed Target and Actual detected Speed gt 3mph different Err Grd 1 Error Stops operation anytime grade is Commanded Grade change produces commanded to move but doesn t no detected motion of elevation system Err Grd 2 Error Stops operation anytime grade Opposite of Grd Err 1 grade motion motion is detected when no is detected when no movement is movement is commanded commanded Err Grd 3 Error Anytime that the detected grade Either failure of position sensor position is outside known sensor code or excessive vibration has range caused the sensor to move out of acceptable grade range Always re calibrate this system prior to further troubleshooting Stop Warning Anytime System is visibly active Displays that status of Magnetic Status can be changed without Key Limit Switch and code setting is cycling power based on system set inhibiting operation up Err1 Error Starts to power up then stops Console RAM Data Memory failure during self tes
30. quickly output switching Wr recycle power and determine if failure is intermittent OUT CUR ERROR Error Program operation Goes to idle Treadmill output current too low Treadmill slowly stops BELT OVRLD Warning During movement Displays Treadmill moderate drive overload ERROR message until the user presses CLEAR Designed to inform the user that the belt or deck will need to be replaced Soon SYS OVRLD Error Program operation Goes to idle Treadmill high drive overload ERROR Treadmill slowly stops DRV MON ERROR Error Program operation Goes to idle Treadmill current monitoring circuit Treadmill slowly stops failure CONFIG Error Start up Stops operation Treadmill configuration not allowed or device needs to be configured GRD LIMIT Error During change Goes to idle Treadmill grade position outside ERROR Treadmill slowly stops limits GRD MOVE Error During change Goes to idle Treadmill grade system detected an ERROR Treadmill slowly stops non requested response SPD CHANGE Error Program operation Goes to idle TM drive is commanded to change ERROR Treadmill slowly stops speed but doesn t STUCK KEY Error Start up Stops operation One of the keypad keys are stuck in an active state Reports only Stuck key Table 4 4 Production Test Errors requires special equipment to test console see factory CS HW COM Warning Start up Stops CSAFE but ALL CSAFE UART hardware link ERROR co
31. sus anne UPPER COMMUNICATION 9 CONFIGURATION PLATE 1 CABLE ASSY E Am ASSEMBLY INCLINE DRIVE g RED P4 CABLE DC MOTOR sg o BL te I WHT gt PT INCLINE MOTOR N gt 2 GRN YEL RED gt P0 3 a Li BLK gt P10 POWER INLET FRONT o GRN n gt E HARMONICS DIAGNOSTIC LED SPEED CONTROL FILTER MAGNETIC REED BRN gt L INTERNATIONAL a A BLU gt N o SPEED CONTROL SWITCH CABLE ASSY 4 w ee en SC ii SUAM Section Troubleshooting Electrical Problems Model T914 amp T916 Contents Common Electrical and Electronic Problems Table 4 1 Electrical Issues 53 Table 4 2 Electronic Issues 53 Error Reporting EOP LI een ae en 54 FH UPS EMOT O 55 nenne 55 VSD en ee 56 Troubleshooting Flowcharts 57 Electrical Troubleshooting Guide 60 Wiring Schematics and Reference Tables 65 SECTION 4 T914 916 TROUBLESHOOTING ELECTRICAL PROBLEMS Common Electrical and Electronic Problems The following tables provide possible causes and solutions to the most common types of
32. you move too far from the front handrail the cord will pull the key off and stop the treadmill walk belt 36 SECTION 2 CONSOLE CODES PAGE LEFT BLANK INTENTIONALLY Section Troubleshooting Electrical Problems Model T912 Contents Common Electrical and Electronic Problems Table 3 1 Electrical Issues nee 40 Table 3 2 Electronic Issues 41 Error Reporting ee ne rear 42 Troubleshooting Flowcharts 43 Wiring Schematics and Reference Tables T9 12 115 VAC Reference 49 T9 12 115VAC Wiring Schematic 50 T9 12 230 VAC Reference Table 51 T9 12 230 VAC Wiring Schematic 52 SECTION 3 T912 TROUBLESHOOTING ELECTRICAL PROBLEMS Common Electrical and Electronic Problems The following tables provide possible causes and solutions to the most common types of electrical and electronic problems While the information in these tables may not resolve all problems they should help you isolate the area affected by the problem Table 3 1 Electrical Issues There is no display Circuit breaker on the treadmill Set treadmill circuit breaker hood is off to ON Treadmill power cord is not plugged Plug in the power cord then set in the treadmill circui
33. 0 24 Table 2 9 Exercise 24 Table 2 10 5 25 Table 2 11 Target Heart Rate 25 Table 2 12 Treadmill Speed 25 Table 2 13 Quick Start 26 Nautilus Com mer 16 SECTION 2 CONSOLE CODES Owner Defined Custom Table 2 14 Customize 26 Table 2 15 Max Time 27 Table 2 16 Cool Down 27 Table 2 17 Change Units 27 Table 2 18 HR 28 Table 2 19 Select Statistics T916 Only 28 Table 2 20 Language 28 Table 2 21 Upper LCD Contrast 29 Table 2 22 Lower LCD Contract 29 Table 2 23 Max Speed 29 Table 2 24 Enable Mag Key 29 Table 2 24B Auto Stop 30 Table 2 25 Set Defaults 30 Machine Status Table 2 26 Machine Status 31 Table 2 27 Run Time Hours 31 Table 2 28 Number of Workouts 31 Table 2 2
34. 005 27585 22077 98 SECTION 6 PARTS LIST AND EXPLODED VIEWS Nautilus Commerc 9 Series Treadmill Service Manual 99 41271 41262 SM26402 1 0 SM26401 SM26403 o gt 2 lt lt o gt lt 41261 36271 001 SECTION 6 SECTION 6 PARTS LIST AND EXPLODED VIEWS 68527 Nautilus Con SECTION 6 PARTS LIST AND EXPLODED VIEWS 102 507911 501715 OO vL Lv WS SECTION 6 PARTS LIST AND EXPLODED VIEWS 190017115 co gt lt gt c 809 lt gt Nautilus Commercial T9 Series Treadmill Service Manual 103 SECTION 6 PARTS LIST AND EXPLODED VIEWS co NO c 2 98 trv Lv YH 91923 69117 924 dH2 eJOd 08 Lv 700 0069 00 0068 104 ssauley JOH E6L LY 7901 PARTS LIST AND EXPLODED VIEWS SECTION 6 41158 SM26428 41321 Console 001 002 41613 Int l TV Console 003 41628 TV Console 004 005 27952 Comm cable 40824 1 PC Processor BD 40826 PC Display BD 41086 Housing rear 41101 Housing front 41146 Bezel 41147 Lens 41173 Cable ROC 41280 Keypad 41442 cable Polar 41132 Upright welment 27591 Comm cable 41478 60 Compatible Ext Handrails 41605 Retro Ext Handrails SM41315 4 BOLT UPRIGHT SM42600 3 BOLT UPRIGHT Nautilus Commercia
35. 1646 41581 Switch plate 110 001 004 41608 Switch plate 220V 002 003 005 6X 27583 NOT GRAPHICALLY SHOWN SM26418 Kit Actuator 1 10V 001 004 EY 27585 41289 Actuator 220V 002 003 005 After 6 06 41583 Power input plate 17787 Connector cable 22077 17847 Cable TV 112 SECTION 6 PARTS LIST AND EXPLODED VIEWS Nautilus Commerc ial T9 Series Treadmill Service Manual 113 SECTION 6 PARTS LIST AND EXPLODED VIEWS c nr Ce lt gt w 60117 ISSLT 114 090500 Ov VRAN SECTION 6 PARTS LIST AND EXPLODED VIEWS 96 7 00 eut 68522 90926 100 1 9 lt SECTION 6 PARTS LIST AND EXPLODED VIEWS PT 507911 004717115 B 9 SECTION 6 PARTS LIST EXPLODED VIEWS co gt EN N 9079115 En Nautilus Commercial T9 Series Treadmill Service Manual 117 SECTION 6 PARTS LIST AND EXPLODED VIEWS Ow NK 118 PARTS LIST AND EXPLODED VIEWS SECTION 6 22246 NS 22076 SM26427 41322 Console 001 002 41606 Console TV 004 005 41614 Console TV International 003 17714 Bezel 17715 Lens 27952 Cable Communication Upper 40824 2 PC Processor 40865 PC Display 41086 Housing Rear 41101 Housing Front 41173 Cable ROC keys 41442 Cable HR 41460 Keypad 41132 Weldment Upright 41
36. 269 Grommet 27951 Cable Communication Lower 41478 63 Compatible Ext Handrail 41601 Retro Ext Handrail SM41315 4 BOLT UPRIGHT SM42600 3 BOLT UPRIGHT Nautilus Commercial T9 Series Treadmill Service Manual 119 SECTION 6 PARTS LIST AND EXPLODED VIEWS Section Appendixes Contents Appendix A Required Tools amp Lubricants 122 Appendix B Using a Multimeter 123 Appendix C International Power Plug Configurations 126 Appendix D Specifications 127 SECTION 7 APPENDIXES Appendix A Required Tools This is a list of the most common tools you will need to service the treadmill Table 7 1 Required Tools and Uses 13 mm socket Removing and installing tracking bolts front roller retainers motor hardware and grade block hardware 10 mm socket Removing and installing deck screws VSD mounts configuration mounts and grounding screws 9 16 socket Removing and installing upper grade actuator mount adjusting motor Tr belt tension 9 16 open end box wrench 9 16 open end box wrench end box wrench Removing and installing upper grade actuator mount and installing upper grade actuator mount 000 Steel Wool or Scotch Brite Cleaning the wax from front and rear rollers pad Waylube Oil Lightweight Oils Lubricating Igus Bushings to reduce friction Bushings located on
37. 3 1 3 2 3 3 3 4 3 6 Install the new flywheel the new motor shaft Do not tighten the set screws at this time Inspect the rubber isolators for wear If they are bad replace them Slide the replacement motor onto the headframe Install the rubber isolators and washers Install the bolts and tighten Important Tighten the bolts until the lock washers flatten then turn the bolts 1 2 turn further Do not over tighten the bolts FOR ONLY T912 UNITS The unit has oblong cut mounting holes The bolts MUST BE CENTERED in those holes If the bolts are too far forward or backward this will cause issues with the Tension wheel hitting the frame SECTION 5 TROUBLESHOOTING MECHANICAL PROBLEMS CAUTION BEFORE CONNECTING WIRES FROM THE MOTOR THE TO VSD BOARD WAIT FOR THE MOTOR POWER RED LEDS TO NOT BE GLOWING 37 Connect the five 5 wires from the motor to P5 P6 P7 P8 and P9 on the VSD board as shown in Step 2 1 4 0 Align the Drive Belt The new motor and flywheel must be aligned with the front roller pulley 4 1 Use a straight edged ruler placed on the outside of the front roller pulley to align the outside face of the motor drive pulley to within 0 020 inches Yzmm of the straight edged ruler see Figure 15 4 2 Tighten the two 2 set screws on the flywheel drive pulley 4 3 Replace the poly V drive belt back onto the flywheel drive pulley 44 Place the tension wheel back onto the tension brac
38. 4 916 Figure 1 T912 Cables to unplug Figure 2 T914 T916 Cables to unplug 2 2 Remove the the grade actuator ground wire from the frame T914 916 only 2 3 Remove both E Ring retainers from the right and left Elevation nuts Nautilus Commercial T9 Series Treadmill Service Manual 71 SECTION 5 TROUBLESHOOTING MECHANICAL PROBLEMS 2 4 Remove the right Elevation nut see Figure 3 25 Remove the Hardware attaching the Rear of the actuator to the frame see Figure 4 NOTE The grade mechanism will pull the motor forward as the mechanism hardware 15 removed 26 Grab the body of the Actuator and flip over allowing access to the left Elevation nut to remove see Figure 5 27 Remove the Actuator and disregard 3 Install the Replacement Grade Actuator Motor 3 1 Plug the Actuator cables to the VSD board the ground wire to the frame On models T914 916 connect the ground wire only See Figure 1 for 1912 and Figure 2 for T914 T916 3 2 Position the Actuator with the shaft pointing upward see Figure 6 3 3 Proceed with the appropriate calibration procedure for the actuator below 1912 Actuator Calibration Step 1 Apply power to the machine Step 2 Face the console and straddle the machine Step 3 While the treadmill is dormant display not lit press and hold the STOP and ENTER keys until the word CAL is displayed Step 4 Press QUICK START on the ergo bar Step 5 Press ENTER Step 6
39. 9 Distance Traveled 31 Table 2 30 Software Revision 32 Table 2 31 Configuration 32 Table 2 32 TM Drive 22 Table 2 33 Maintenance Hours 32 Diagnostic Table 2 34 Diagnostic 33 Table 2 35 Display Test gt Table 2 36 Key Test 34 Table 2 37 Serial Tests 34 Table 2 38 Bus Volts 34 Table 2 39 Grade 34 Maintenance Logs Table 2 40 Diagnostic 2 39 Tabie 2 4 T Error LOO nee 35 Table 2 42 Maintenance 5 35 Magnetic Key Limit Access Control INEO 36 ACHVAUON 36 een 36 Magnetic Key as an Emergency Stop 36 SECTION 2 CONSOLE CODES Overview Model T912 There are 5 Menu groupings for the T912 All modes are initiated while in Dormant mode screens blank Initialize NVRAM Deletes all setup information from the Console IMPORTANT All parameters will require resetting before treadmill is used again Table 2 1 NVRAM Step No Press Keys on Console Display What you will see INCLINE
40. 9529129 0 paads pue paads y Buisn 0 0125 Udy 19103 19303 9 956912 u peeds 09 19410 55828 ISA 0 Ajjeuas 1121 1 082 ygd 1055930 4 Gd sueayy 40419 Jequii 2pe2J uon eJnBijuo2 BuoJM seu Vdd GSA 10 1equi peeJ JO e Jaune se paJnBijuo284 Jsnw pun 143 JeymM 30443 NL 0809 913 09 11 91 40443 64 SECTION 4 T914 916 TROUBLESHOOTING ELECTRICAL PROBLEMS T9 14 T9 16 115 VAC Reference Table Drawing Reference Part Designator Number Description 1 41321 CONSOLE ASSEMBLY T9 14 1 41332 CONSOLE ASSEMBLY T9 16 2 41442 CONTACT TELEMETRY HEART RATE CONSOLE CABLE ASSEMBLY 3 40824 CONSOLE PROCESSOR 4 40826 LCD DISPLAY PCBA T9 14 4 40865 LCD DISPLAY PCBA T9 16 5 41175 DISPLAY CABLE ASSEMBLY 6 27952 AC TREADMILL UPPER COMMUNICATION CABLE ASSEMBLY 7 41194 MAGNETIC SAFETY SWITCH CABLE ASSEMBLY 8 41280 MEMBRANE KEYPAD T9 14 8 41460 MEMBRANE KEYPAD T9 16 9 41443 CONTACT TELEMETRY HEART RATE ROC CABLE ASSEMBLY 10 41169 CONTACT HEART RATE ELECTRODES CABLE ASSEMBLY 11 41180 CONTACT TELEMETRY HEART RATE RECEIVER PCBA 12 40854 MAGNETIC SAFETY SWITCH PCBA 13 41173 CONSOLE TOUCH SENSOR CABLE ASSEMBLY 14 41449 TOUCH SENSOR KEYPAD ASSEMBLY 15 41300 BUS B
41. A 4 41191 TELEMETRY HEART RATE ROC CABLE ASSEMBLY 5 41174 TELEMETRY HEART RATE CONSOLE CABLE ASSEMBLY 6 41091 CONSOLE PCBA 7 41449 TOUCH SENSOR KEYPAD ASSEMBLY 8 41193 TOUCH SENSOR ROC CABLE ASSEMBLY 9 41173 TOUCH SENSOR CONSOLE CABLE ASSEMBLY 10 41161 DC MOTOR CONTROLLER UPPER COMMUNICATION CABLE ASSEMBLY 11 41194 MAGNETIC SAFETY SWITCH CABLE ASSEMBLY 12 40854 MAGNETIC SAFETY SWITCH PCBA 13 41170 DC MOTOR CONTROLLER LOWER COMMUNICATION CABLE ASSEMBLY 14 41267 CONFIGURATION PLATE ASSEMBLY 15 41094 DC MOTOR CONTROL PCBA 16 41062 INCLINE MOTOR 17 41095 WALK BELT MOTOR 18 41151 DIAGNOSTIC LED PCBA ASSEMBLY 19 41199 SPEED CONTROL CABLE ASSEMBLY 20 41149 SPEED CONTROL MAGNETIC REED SWITCH 48 T912 TROUBLESHOOTING ELECTRICAL PROBLEMS SECTION 3 19 12 TREADMILL REMOTE OPERATOR CONSOLE ASSEMBLY ROC TELEMETRY HEART RATE CABLE ASSY ROC LEFT SIDE SENSOR KEYPAD ASSY TOUCH SENSOR TELEMETRY HEART RATE PCBA CONSOLE ASSEMBLY CONSOLE TELEMETRY HEART RATE CABLE ASSY CONSOLE TOUCH CABLE ASSY ROC SENSOR CABLE RIGHT SIDE ASSY i i i i POWER INLET REAR i BRN gt L BLU gt i SURE NER CONFIGURATION PLATE ASSEMBLY INPUT SELECT CIRCUIT BREAKER GRN YEL POWER INLET FRONT GRN gt BRN gt L BLU gt N SEE REGN ES 35 GB ED REOR EP GE GE ERE GR NEG ROMAE GG T
42. ADDING LUBRICANTS CAN RUIN THE PROPRIETARY FRICTION CONTROL SURFACE DO NOT USE DETERGENTS OR CLEANING AGENTS ON ANY PART OF THE DECK DO NOT LET LIQUID ENTER THE TREADMILL OR CONTROLLER IF IT DOES THE EQUIPMENT MUST BE INSPECTED AND TESTED FOR SAFETY BY NAUTILUS APPROVED TECHNICIAN BEFORE IT CAN BE USED AGAIN Daily Keep the treadmill and controller free of dust and debris Use a damp sponge to wipe the exteriors and walking belt do not soak surfaces Dry all surfaces thoroughly Weekly e Elevate the treadmill to maximum incline and vacuum the floor under it to prevent excess dust and dirt from interfering with operation e f the magnetic key is being used check it for rust If you detect rust replace the magnet Rust on the magnetic key will cause power up problems A WARNING Treadmill Interior DANGEROUS VOLTAGES ARE PRESENT UNDER THE TREADMILL HOOD EXERCISE CAUTION WHEN PERFORMING SERVICE TO THE ELECTRICAL COMPONENTS UNDER THE HOOD SECTION 1 MAINTENANCE Depending upon the treadmill environment dust and lint can accumulate under the hood Clean the interior of the treadmill following the procedure below 1 Turn the treadmill circuit breaker off and unplug the treadmill power cord 2 Remove the two 2 screws on the treadmill hood 3 Lift off the hood 4 Clean inside the unit 5 Reinstall the hood and the two 2 screws 6 Plug in the treadmill power cord and switch on the treadmill ci
43. ASSY N CONSOLE CONTACT TELEMETRY HEART RATE CONSOLE PROCESSOR OPERATOR CONSOLE ASSEMBLY LEFT RIGHT ROC CONTACTS ASSY HEART RATE ELECTRODES CABLE ASSy o ONTACTITELEMETRY _ HEART RATE PCBA TOUCH SENSOR KEYPAD ASSY gum Um HH NON ICI NNI RUN RU UC ae eee a A GRADE POWER CABLE ASSY INCLINE SENSOR CABLE WHT P7 GRN P1 PREDRIVE POWER CABLE ASSY IT CABLE RED gt P4 INCLINE DRIVE BLK gt P2 FILTER CIRCUIT INPUT NN SELECT SWITCH POWER INLET FRONT SECTION 4 914 916 TROUBLESHOOTING ELECTRICAL PROBLEMS T9 14 T9 16 230 VAC Reference Table Drawing for Domestic and International Reference Part Designator Number Description 1 41321 CONSOLE ASSEMBLY T9 14 1 41332 CONSOLE ASSEMBLY T9 16 2 41442 CONTACT TELEMETRY HEART RATE CONSOLE CABLE ASSEMBLY 3 40824 CONSOLE PROCESSOR PCBA 4 40826 LCD DISPLAY PCBA T9 14 4 40865 LCD DISPLAY PCBA T9 16 5 41175 DISPLAY CABLE ASSEMBLY 6 27952 AC TREADMILL UPPER COMMUNICATION CABLE ASSEMBLY 7 41194 MAGNETIC SAFETY SWITCH CABLE ASSEMBLY 8 41280 MEMBRANE KEYPAD T9 14 8 41460 MEMBRANE KEYPAD T9 16 9 41443 CONTACT TELEMETRY HEART RATE ROC CABLE ASSEMBLY 10 41169 CONTACT HEART RAT
44. ASSY Cc REVISION A COMMUNICATION CABLE ASSY T MAGNETIC ONTACT TELEMETRY FF l n 4 SAFETY SWITCH HEART RATE PCBA Lu CABLE ASSY 12 MAGNETIC SAFETY gt SWITCH CONSOLE TOUCH 5 O SENSOR SENSOR CABLE ASSY KEYPAD ASSY 16 BUSBLEBDENMESINTOM ca it a a a a emi ld J LS CABLE ASSY T AC TREADMILL LOWER T BUS BLEEDER 4 COMMUNICATION CABLE ASSY E ROC TOUCH SENSOR Lu ee ACMOTOR cg CABLE ASSY zl CONTROL VSD PCI STRIDE SENSOR ea ASSY POWERINLET jJ BRN gt L U gt H GRN gt E re werten Tee YOR Sw ah H tc TRANSFORMER CONFIGURATION PLATE ASSEMBLY _ EXTENSION CABLE ASSY POWER INPUT CABLE 1 e ASSY 230V 5 sin lt V INPUT BREAKER SELECT SWITCH o GRADE POWER d CABLE ASSY SER L ih INCLINE PREDRIVE POWER BRN HARMOMCS SENSOR 2 CABLE ASSY BLU M FLTERON CABLE gt INTERNATIONAL RED gt P4 C M INCLINE DRIVE BLK gt P2 POWER INLET CABLE WHT PT FRONT T JUMPER ON S MOTOR i DOMESTIC UNITS E az us us mam as Qs us uz sm sm GO Gs UG Gs G
45. Be Strong Model T912 Model T916 T NAUTILUS Service Manual Commerical Series Treadmill The information contained in this service manual is current as of the date of print ATTENTION THIS MANUAL IS INTENDED FOR AUTHORIZED NAUTILUS OR NAUTILUS CERTIFIED SERVICE PERSONNEL AND NOT FOR THE CONSUMER THERE ARE NO USER SERVICEABLE PARTS SERVICING OF THE NAUTILUS COMMERCIAL SERIES TREADMILL BY OTHER THAN AUTHORIZED NAUTILUS OR NAUTILUS CERTIFIED SERVICE PERSONNEL MAY RESULT IN VOIDING OF THE WARRANTY FOR DETAILED INSTRUCTIONS AND INFORMATION ON ASSEMBLY AND USE FOR THE NAUTILUS COMMERICAL SERIES TREADMILL MODELS 1912 T914 AND T916 REFER TO THE ASSEMBLY AND OWNER S MANUALS A WARNING SECURE LONG HAIR AND LOOSE CLOTHING BEFORE WORKING NEAR THE TREADMILL WALKING SURFACE OR PULLEYS SECTION ONE MAINTENANCE Viewing Maintenance Information Model T912 Model T914 amp T916 Routine Maintenance Schedules Cleaning Adjusting Belt Tension Adjusting Belt Tracking Replacing the Walk Belt Replacing the Contact Heart Rate CHR Sensors Model T914 amp T916 Only Updating the Console Firmware Model T912 Model T914 amp T916 SECTION TWO CONSOLE CODES Overview Model T912 Model T914 amp T916 Console Cardio Codes Service Screen Overview Cardio Owner Defined Custom Machine Status Diagnostic Maintanence Logs Magnetic Key Limit Access Control SECTION THREE TROUBLES
46. CONFIG PLATE T914 916 230 SM17566 17566 CORDSET PWR ANGLE 8 FT STRAIGHT SECTION 6 PARTS LIST AND EXPLODED VIEWS T914 220V DOMESTIC TV WARRANTY SKU 00070 005 PART NUMBER WARRANTY MFG PART DESCRIPTION CODE NUMBER 17566 CORDSET PWR ANGLE 8 FT STRAIGHT SMa36496 002 36408 002 T914 220V INTERNATIONAL TV WARRANTY SKU 00070 003 PART NUMBER WARRANTY MFG PART DESCRIPTION CODE NUMBER 41404 ASSY CHOKE 6 MH INTERNATIONAL 41608 ASSY SWITCH PLATE T914 T916 220 41613 ASSY CONSOLE T914 INTERNATIONAL SMQ36498 002 36498 002 PCBA TM VOLT CONFIG 230V 15 41289 ACTUATOR LINEAR 230V NTR TM Nautilus Commercial T9 Series Treadmill Service Manual 97 SECTION 6 PARTS LIST AND EXPLODED VIEWS 27592 27564 27586 27562 41059 22878 27487 17550 HARNESS 41322 110V 001 41407 220V 002 003 41319 cord 001 004 17566 cord 002 005 27319 CB 20A 001 004 27308 CB 10A 002 003 005 35774 002 PC 110V 001 004 36498 002 PC 220V 002 003 005 27306 Kit Cord clamp After 6 06 SM41583 SM17787 TV connector 003 004 005 SM 17847 TV cable 003 004 005 41060 41476 41190 CABLE 2X 41271 41404 003 ONLY 30579 016 003 ONLY 27583 27562 NOT GRAPHICALLY SHOWN 27441 22139 22139 22027 35918 005 27047 SM26414 SM41581 110V 001 004 SM41608 220V 002 003 005 41646 SM26418 001 004 41289 002 003
47. Checking Voltage Use this procedure to check voltage output 1 Determine whether the voltage is AC or DC voltage and choose the appropriate setting on the multimeter Set the multitmeter to the lowest setting that is still higher than the highest output of the component being tested Place the black and red leads or probes on the appropriate corresponding wires pins or connectors Observe the reading and proceed according to the troubleshooting sections in this manual Nautilus Commercial T9 Series Treadmill Service Manual 125 SECTION 7 APPENDIXES Appendix C International Power Plug Configurations Table 7 2 International Power Plugs Appendix D Model T912 Specifications Electrical Physical Functionality Environmental Voltage Amperage Motor Display Length Width Height Max User Weight Supported Belt Belt Deck Lubrication Belt Tracking Method Speed Range Elevation Range Number of Functions Heart Rate Monitoring Language Options Operating Temperature Storage Temperature Operating Humidity non condensing Storage Humidity non condensing Atmospheric Pressure Operating Atmospheric Pressure Shipping and Storage Domestic international 220VAC model SECTION 7 APPENDIXES 115VAC 220VAC 15 A 10 AY 3 0 hp 90 VDC 180VDC Brushed Permanent Magnet 16 Digit 14 Segment LED Data line 2 fields of 3 Numeral 7 Segment LEDs 1 LED matr
48. E ELECTRODES CABLE ASSEMBLY 11 41180 CONTACT TELEMETRY HEART RATE RECEIVER 12 40854 MAGNETIC SAFETY SWITCH PCBA 13 41173 CONSOLE TOUCH SENSOR CABLE ASSEMBLY 14 41449 TOUCH SENSOR KEYPAD ASSEMBLY 15 41300 BUS BLEEDER RESISTOR 16 41392 BUS BLEEDER RESISTOR CABLE ASSEMBLY 17 27951 AC TREADMILL LOWER COMMUNICATION CABLE ASSEMBLY 18 41335 STRIDE SENSOR 19 41193 ROC TOUCH SENSOR CABLE ASSEMBLY 20 41646 AC MOTOR CONTROL VSD ASSEMBLY 21 27356 TRANSFORMER EXTENSION CABLE ASSEMBLY 22 41407 CONFIGURATION PLATE ASSEMBLY 23 27487 WALK BELT MOTOR 24 27073 POWER INPUT CABLE 230V 25 35986 001 GRADE POWER CABLE ASSEMBLY 26 41404 HARMONICS FILTER INTERNATIONAL UNITS ONLY 26 27122 JUMPER TO REPLACE HARMONICS FILTER ON DOMESTIC UNITS ONLY 27 41289 INCLINE MOTOR 28 27959 PREDRIVE POWER CABLE ASSEMBLY Nautilus Commercial T9 Series Treadmill Service Manual 67 Cin CEDE EE nde ENEMIES 1 p E en CONSOLE ASSEMBLY o CONSOLE CONTACT REMOTEOPERATOR 1 RATE CONSOLE ASSEMBLY I NAUTILUS RIGHT E z T9 14 T9 16 d 1 amp CRM E 5 ce TREADMILL CONSOLE CONTACT 0 _ LCD DISPLAY PROCESSOR TELEMETRY EAS PCBA 5 PCBA HEART SE RATE et SERVICE ANUAL CABLE ASSY CABLE TAG WIRIMG DIAGRAM ASSY HEART RATE aa TREADMILLUPPER ELECTRODES DN CABLE
49. E SETTING 4 SPEED UP OR SPEED DOWN TIME CHANGES 5 ENTER DEFAULT 24 e CLEAR THE RESULTS YOU WANT Default setting Setting could be different if the treadmill was customized SECTION 2 CONSOLE CODES Table 2 10 User Age Step No Press Keys on Console Display What you will see 3 SPEED UP 2 ENTER DEFAULT 2 SPEED UP OR SPEED DOWN ENTER AGE a SPEEDUPORSPEEDDOWN s s Default setting Setting could be different if the treadmill was customized Table 2 11 Target Heart Rate sepe Press Keysonconaoe U pispiay wnat youwinso U 1 2 SPEEDUP OR SPEED Dow TRPERCEWPNE a SPEEDUP OR SPEED DOWN THE PERCENTAGE CHANGES s fm 7 _ s Default setting Setting could be different if the treadmill was customized Table 2 12 Treadmill Speed Step No Press Keys on Console Display What you will see EN SPEED UP 2 ENTER DEFAULT 2 SPEED UP OR SPEED DOWN SPEED a SPEEDUPOR SPEED Down SPEEDCHANGES s fm 7 _ 0 Default setting Setting could be different if the treadmill was customized Nautilus Commercial T9 Series Treadmill Service Manual 25 SECTION 2 CONSOLE CODES Table 2 13 Quick Start Press Keys on Console Display What you will see SPEED UP 2 ENTER DEFAULT SPEED UP OR SPEED DOWN QUICK START ENTER CURRENT QUICK START SETTING 4
50. EDUP OR SPEED DOWN ACCUMULATED RUNHOURS SSCS Table 2 28 Number of Workouts step no Press Keys on Console SS 1 SPEEDUR 4 ENTER wenmesmus 2 SPEEDUP OR SPEED DOWN ACCUMULATED NUMBER OF WORKOUTS Table 2 29 Distance Traveled Step No Press Keys on Console Display What you will see 1 sPEED UP 4 ENTER MACHINE STATUS SPEED UP OR SPEED DOWN DISTANCE IN CURRENT UNITS Miles or CLEAR THE RESULTS YOU WANT Nautilus Commercial T9 Series Treadmill Service Manual 31 32 SECTION 2 CONSOLE CODES Table 2 30 Software Revision Step No Press Keys on Console Display What you will see 4 SPEED UP 4 ENTER MACHINE STATUS 2 SPEED UP OR SPEED DOWN CURRENT CONSOLE REVISION CLEAR THE RESULTS YOU WANT Table 2 31 Configuration step No Press Keys on Console __ Dispiay matyouwiisen SPEEDUR 4 ENTER wenmesmmus o SPEEDUP OR SPEED DOWN CURRENT MACHINE CONFIGURATION Table 2 32 TM Drive step no Press Keys on Console 1 SPEEDUR 4 ENTER wenmesmus 2 SPEEDUP OR SPEED DOWN CURRENTTHDRMEVERSON Table 2 33 Maintenance Hours Step No Press Keys on Console Display What you will see 3 SPEED UP 4 ENTER MACHINE STATUS UP SPEED DOWN CURRENT MAINTENANCE HOURS CLEAR THE RESULTS YOU WANT SECTION 2 CONSOLE CODES Diagnostic Use the diagnostic codes to test various components of the machi
51. ET DEFAULTS SECTION 2 CONSOLE CODES ENTER MACHINE STATUS Defined as Machine Information ENTER RUN HOURS A ENTER WORKOUTS A ENTER DISTANCE ENTER CONSOLE VERSION Displays Console Version 7 A ENTER DEVICE TYPE Displays Machine Type A ENTER IM DRIVE VER Displays VSD Version A ENTER MAINT HOURS Workout Default Console Codes Continued A 5 ENTER RAND D Defined as Factory test options A ENTER PROGRAM LOOP A ENTER TIMEOUT 6 1 ENTER DIAGNOSTIC Defined as Service information and Device status A ENTER DISPLAY TEST A ENTER KEY TEST A ENTER SERIAL PORTS A ENTER A SENSOR ENTER TEST ENTER BUS VOLTS ENTER AUTO STOP A ENTER GRADE ACT IAJ 7 I ENTER MAINTENANCE LOGS Defined as Device History ENTER ERROR LOG A ENTER MAINT HOURS ENTER QA ID IAJ 8 ENTER CHANGE MACHINE ENTER Defined as Hardware Dependant Setup For Treadmill Devices the selections are ENTER TREADCLIMBER ENTER 71916 IA ENTER 719147 A ENTER TC TM CONFIG ROD Nautilus Commercial T9 Series Treadmill Service Manual 21 o N 2 SECTION 2 Defaults Key Sequence 2 Enter Quick Start Speed
52. Elevation nut and E Ring clip See Figure 3 and Figure 8 3 6 Flip the Actuator over to access the left side than attach the Elevation nut and E Ring clip See Figure 5 and Figure 9 Nautilus Commercial T9 Series Treadmill Service Manual 73 SECTION 5 TROUBLESHOOTING MECHANICAL PROBLEMS 3 7 Pull the Actuator back and align with bracket on the frame Than attach with the mounting hardware See Figure 4 and Figure 10 3 0 Remove the blocks and retest the unit 5 Reinstall the Treadmill Hood 5 1 Install the treadmill hood over the motor compartment 5 2 Install the two 2 screws in the treadmill hood and tighten 74 SECTION 5 TROUBLESHOOTING MECHANICAL PROBLEMS Replacing the Drive Motor A WARNING 1 0 Remove the Treadmill Hood 1 1 1 2 2 0 Remove the Motor 2 1 22 DANGEROUS VOLTAGES ARE PRESENT UNDER THE TREADMILL EXERCISE CAUTION WHEN PERFORMING SERVICE TO THE ELECTRICAL COMPONENTS UNDER THE HOOD Turn the treadmill circuit breaker off and unplug the treadmill power cord Remove the motor cover Front trim cover Right side lower cover and Kick plate FOR ONLY T914 T916 UNITS Disconnect the P5 wire white or yellow P6 black or yellow P7 white P8 black and P9 red Note Some machines might have black white or yellow yellow wires at locations P5 and P6 Reconnect wire at location where it was removed See Figure 11 FOR ONLY T912 UNITS Rem
53. HOOTING ELECTRICAL PROBLEMS MODEL T912 Common Electrical amp Electronic Problems Error Reporting Troubleshooting Flowcharts Wiring Schematics and Reference Tables co 4 12 17 19 20 22 23 26 31 33 35 36 40 42 43 49 Nautilus Commercial T9 Series Treadmill Service Manual TABLE OF CONTENTS SECTION FOUR TROUBLESHOOTING ELECTRICAL PROBLEMS MODEL T914 amp T916 Common Electrical amp Electronic Problems Error Reporting VSD Troubleshooting Flowcharts Electrical Troubleshooting Guide Wiring Schematics and Reference Tables SECTION FIVE TROUBLESHOOTING MECHANICAL PROBLEMS Common Mechanical Problems and Solutions Replacing the Grade Actuator Motor Replacing the Drive Motor SECTION SIX PARTS LIST AND EXPLODED VIEWS Model 19 12 Model 19 14 Model 19 16 SECTION SEVEN APPENDIXES Appendix A Required Tools amp Lubricants Appendix B Using a Multimeter Appendix C International Power Plug Configs Appendix D Specifications IMPORTANT CONTACT NUMBERS 54 55 57 58 61 66 70 71 15 79 93 107 122 123 126 127 129 3 SECTION ONE MAINTENANCE Section Maintenance Contents Viewing Maintenance Information 5 Routine Maintenance 5 L y 6 ee ee 6 6 Ku 6 Treadmill
54. LEEDER RESISTOR 16 41392 BUS BLEEDER RESISTOR CABLE ASSEMBLY 17 27951 AC TREADMILL LOWER COMMUNICATION CABLE ASSEMBLY 18 41335 STRIDE SENSOR 19 41193 ROC TOUCH SENSOR CABLE ASSEMBLY 20 41646 AC MOTOR CONTROL VSD ASSEMBLY 21 27356 TRANSFORMER EXTENSION CABLE ASSEMBLY 22 41322 CONFIGURATION PLATE ASSEMBLY 23 27487 WALK BELT MOTOR 24 35382 002 POWER INPUT CABLE 230V 25 35986 001 GRADE POWER CABLE ASSEMBLY 26 27122 JUMPER 27 41062 INCLINE MOTOR 28 27959 PREDRIVE POWER CABLE ASSEMBLY Nautilus Commercial T9 Series Treadmill Service Manual 65 Lu lt Q gt o fe O o gt SECTION 4 5 IN BUS BLEEDER RESISTOR NAUTILUS T9 14 T9 16 TREADMILL SERVICE MANUAL WIRING DIAGRAM 115 VAC REVISION A O BUS BLEEDER RESISTOR CABLE ASSY LJ AC MOTOR CONTROL VSD pi INCLINE MOTOR LCD DISPLAY CABLE ASSY COMMURICATION n CABLE ASSY a MAGNETIC SAFETY SWITCH eee ee re er 1 V ee 4 Ls AC TREADMILL LOWER COMMUNICATION CABLE ASSY Or TREADMILL UPPER la Ji SAFETY SWITCH CABLE ASSY TRANSFORMER EXTENSION CABLE ASSY i9 POWER INPUT CABLE ASSY 115 CONSOLE TOUCH SENSOR CABLE ASSY W CABLE ASSY O ROC TOUCH SENSOR CABLE
55. PEAR IF THIS OCCURS CYCLE POWER TO RESUME NORMAL OPERATION 5 f you feel the belt slip on the front roller increase the tension of each adjustment bolt by 1 2 turn and re test If you feel the belt slip again check the tensioner adjustment Adjusting Belt Tracking Perform this procedure whenever the belt moves to one side or the other Stay off the belt when adjusting the tracking 1 Start the treadmill at minimum speed and grade 2 Increase speed to six 6 mph and make the following adjustment 2 1 If the belt moves to the right turn the right adjustment bolt 1 4 turn clockwise 2 2 If the belt moves to the left turn the left adjustment bolt 1 4 turn clockwise 3 After making an initial adjustment run the treadmill for five b minutes and observe how the belt tracks If the belt continues to move away from the center adjust the appropriate side until properly centered Replacing the Walk Belt Perform this procedure whenever the walk belt is still too loose after adjusting the tension or when the belt is worn or frayed CAUTION DO NOT CUT THE BELT DOING SO WILL CAUSE THE REAR ROLLER TO FALL AND SNAP THE ALIGNMENT PINS ON THE END CAP 1 SECTION 1 MAINTENANCE Remove the Treadmill Hood 1 1 Turn the treadmill circuit breaker off and unplug the power 1 2 Remove the Front Right Lower Cover Left Lower Cover and Top Motor Covers Remove the Rollers 2 1 Remove the left and right end cap
56. R GRO RU Section Troubleshooting Mechanical Problems Contents Common Mechanical Problems and Solutions 70 Replacing Grade Actuator 71 Replacing Drive Motor 75 Nautilus Co mi 70 SECTION 5 TROUBLESHOOTING MECHANICAL PROBLEMS Common Mechanical Problems and Solutions Table 5 1 Walking Belt Walking belt is too far to the The belt is tracking e Adjust the tracking Refer left or right improperly to Part 1 to correct the problem Walking belt slips but the front The walk belt tension is Adjust the belt tension roller turns improperly set Refer to Part 1 to correct the problem 3 Walking belt hesitates Adjusting The motor drive belt is Replace the motor drive belt the walking belt tension is slipping Adjust the motor drive belt ineffective tension The VSD is bad Replace the VSD Table 5 2 Noises There is a grinding sound There 1 a bad roller bearing Replace the roller The motor has a bad bearing Replace the motor IS running mounts are worn normally mounts the ones in the front There is a squeaking noise when The unit may not be level Check the leveling feet ou walk on the deck yes The deck is contacting the Replace the deck side rails Banging noise when the person On
57. SPEED UP OR SPEED DOWN QUICK START SETTING CHANGES Default setting Setting could be different if the treadmill was customized Owner Defined Custom You can customize several owner defined parameters to conform to your individual requirements Including changing the workout time limit e changing the cool down time e changing the units between English and metric e choosing the type of heart rate input e choosing displayed statistics T916 only e choosing the console language e changing the upper LCD contrast e changing the lower LCD contrast e changing the treadmill s maximum speed e enabling the magnetic key e enabling Auto Stop Option if available and e resetting the factory defaults Table 2 14 Customize Step No Press Keys on Console Display What you will see 1 sPEED UP 3 ENTER CUSTOMIZE SPEED UP OR SPEED DOWN MAX TIME COOL DOWN CHANGE UNITS HR INPUTS STATS T916 ONLY LANGUAGE UP CONTRATS LOW CONTRAST MAX SPEED ENABLE MAG KEY AUTO STOP SET DEFAULTS ENTER SELECTED CHOICE 4 SPEED UP OR SPEED DOWN SETTING CHANGES 26 5 ENTER CUSTOMIZE 6 CLEAR THE RESULTS YOU WANT SECTION 2 CONSOLE CODES To customize the owner defined parameters without scanning through all the selections perform the following steps for that listed option Table 2 15 Max Time Step no Press Keys on Console wnat youwinso 1 SPEEDUR ENTER 2 SPEEDUPORSPEEDDOWN
58. SSY CONSOLE T9 16 TV OPTION T916 220V DOMESTIC WARRANTY SKU 00080 002 PART NUMBER WARRANTY MFG PART DESCRIPTION CODE NUMBER SM41407 41407 ASSY CONFIG PLATE T914 916 230 SM17566 2 17566 CORDSET PWR ANGLE 8 FT STRAIGHT SM41289 41289 ACTUATOR LINEAR 230V NTR TM SM41608 41608 ASSY SWITCH PLATE T914 T916 220 SMQ36498 002 36498 002 PCBA TM VOLT CONFIG 230V 15 SM27308 27308 CIRCUIT BREAKER ME 110 SECTION 6 PARTS LIST AND EXPLODED VIEWS T916 220V DOMESTIC TV WARRANTY SKU 00080 005 PART NUMBER WARRANTY MFG PART DESCRIPTION CODE NUMBER SM17566 17566 CORDSET PWR ANGLE 8 FT STRAIGHT SM17787 17787 CONNECTOR RF 3MM F SM17847 17847 ASSY HARNESS TV PWR T914 T916 T916 220V INTERNATIONAL TV WARRANTY SKU 00080 003 PART NUMBER WARRANTY MFG PART DESCRIPTION CODE NUMBER Nautilus Commercial T9 Series Treadmill Service Manual 111 PARTS LIST AND EXPLODED VIEWS SECTION 6 41476 7 q 41060 41190 ASSY HARNESS 77 7 41271 27592 27487 17550 HARNESS 27586 27562 22878 41059 4X 27562 4X 27441 30579 016 003 ONLY zn 41404 003 ONLY 22027 22047 41322 001 ONLY 22139 41407 002 amp 003 ONLY 41319 Cord 001 004 35918 005 17566 Cord 002 005 22047 27307 Cord clamp o b 27308 CB 10A 002 003 005 f 27319 CB 20A 001 004 M36301 36498 002 PC 220V 002 003 005 35774 002 110V 001 004 After 6 06 j 4
59. Treadmill Service Manual 129 Model 912 Model T914 Model T916 pin e NAUTILUS Be Strong For more information about our Nautilus Commercial Series treadmills or other Nautilus equipment visit www Nautilus com 2005 Nautilus Inc All rights reserved Nautilus the Nautilus logo Changing the Game in Health and Fitness REACT ROC Remote Operation Control Be Strong are either registered trademarks or trademarks of Nautilus Inc Nautilus Inc World Headquarters 16400 SE Nautilus Drive Vancouver Washington USA 98683 1 800 628 8458 www Nautilus com
60. UP OR INCLINE DOWN Scroll to Init selection displayed Automatic Speed Calibration is performed STOP Exits selection and stops automatic speed calibration Speed Cal Menu Sets Speed calibration curve 2 a E Table 2 2 Speed Cal Menu Press Keys on Console Display What you will see START Select UNITS E for English N for Metric ENTER Continues into Speed Calibration Belt Motor Run proceedure STOP Exits Automatic Calibration and enters CAL sleep mode While in the Sleep mode pressing START will continue the Automatic Cal mode or pressing ENTER will go into MANUAL calibration mode This mode is not needed for speed calibration Grade motor adjustments will be done while in this mode Press STOP to exitthe Manual Mode 3 START OR INCLINE UP OR Toggles between English E or Metric N selection INCLINE DOWN Nautilus Commercial T9 Series Treadmill Service Manual 17 SECTION 2 CONSOLE CODES Parameter Menu Configure System Sets the device limits Table 2 3 Setting Device Limits Incline Maximum User Weight Units English or Metric Roller Diameter leave default value in place SPEED UP OR SPEED DOWN Selects desired value Reset Total Hours and Miles to Zero Initiate only when Total Hours or Total Distance is displayed a INCLINE UP OR INCLINE DOWN Scrolls between parameters Maximum Speed Maximum Table 2 4 Reset to Zero Step No Press Keys on Console Display What you
61. autilus Commercial T9 Series Treadmill Service Manual SECTION 6 PARTS LIST AND EXPLODED VIEWS Parts List Model T9 14 Warranty Terms Please note that warranty terms may differ outside the U S A Contact your local dealer or distributor your country to receive the warranty terms for your area Code 1 3 Year standard coverage on parts Code 2 1 Year standard coverage on wearable parts Code 3 15 Year standard coverage on frame and motor T914 110V WARRANTY B O M SKU 00070 001 PART NUMBER WARRANTY MFG PART DESCRIPTION CODE NUMBER Nautilus Commercial T9 Series Treadmill Service Manual 93 94 SECTION 6 PARTS LIST AND EXPLODED VIEWS PART NUMBER WARRANTY MFG PART DESCRIPTION CODE NUMBER SECTION 6 PARTS LIST AND EXPLODED VIEWS PART NUMBER WARRANTY MFG PART DESCRIPTION CODE NUMBER Nautilus Commercial 9 Series Treadmill Service Manual 95 96 SECTION 6 PARTS LIST AND EXPLODED VIEWS Parts List Model T9 14 ADDITIONAL COMPONENTS T914 110V DOMESTIC TV WARRANTY SKU 00070 004 PART NUMBER WARRANTY MFG PART DESCRIPTION CODE NUMBER SM41319 41319 CORDSET PWR ANGLE C19LA 5 20P SM17787 17787 CONNECTOR RF 3MM F SM17847 17847 ASSY HARNESS TV PWR T914 T916 SM41628 41628 ASSY CONSOLE T914 TV OPTION T914 220V DOMESTIC WARRANTY SKU 00070 002 PART NUMBER WARRANTY MFG PART DESCRIPTION CODE NUMBER SM41407 41407 ASSY
62. ch group follow the instructions for each section Nautilus Commercial T9 Series Treadmill Service Manual 19 SECTION 2 CONSOLE CODES Console Cardio Codes Model T914 amp T916 General Information e Enter console codes mode by pressing the UP Speed key then the numeric key and then press the ENTER key once to enter this mode e Once in console codes mode pressing forwards or backs up through the selection pressing ENTER then selects that item Enter values then press the ENTER key again to store the value Pressing CLEAR exits any of the special access modes e Pressing CLEAR twice will exit the Console Service Mode Workout Default Console Codes 2 ENTER DEFAULTS Defined as Data Entry Defaults A ENTER ENTER WT XXX ENTER ENTER LEVEL 1 TO 20 ENTER ENTER TIME 5 TO 99 ENTER ENTER AGE 10 99 ENTER CHR PERCENT ENTER ENTER SPEED ENTER QUICK START CUSTOMIZE Defined as Club selectable settings for workouts ENTER MAX TIME ENTER COOL DOWN A ENTER CHANGE UNITS A ENTER HR INPUTS A ENTER SELECT STATS ENTER LANGUAGE ENTER UPPER CONTRAST ADJ A ENTER LOWER CONTRAST ADJ A ENTER MAX SPEED A ENTER ENABLE MAG KEY ENTER AUTO STOP A ENTER S
63. e or more compression Replace the compression 3 the time when the belt is running The motor drive belt is Make sure the grooves on misaligned the belt are seated correctly in the grooves on the front roller pulley and the motor flywheel The motor flywheel 15 Realign the motor flywheel misaligned with respect to the front roller pulley There is a squeaking noise all The motor drive belt is worn Relace the motor drive belt Note Remove the motor drive belt to isolate if the problem to a roller or the drive motor SECTION 5 TROUBLESHOOTING MECHANICAL PROBLEMS Replacing the Grade Actuator Motor A WARNING DANGEROUS VOLTAGES ARE PRESENT UNDER THE TREADMILL HOOD EXERCISE CAUTION WHEN PERFORMING SERVICE TO THE ELECTRICAL COMPONENTS UNDER THE HOOD CAUTION BEFORE REMOVING THE GRADE ACTUATOR MOTOR PLACE TWO 5 INCH BLOCKS UNDER THE FRONT OF THE TREADMILL TO PREVENT IT FROM DROPPING WHEN YOU REMOVE THE MOTOR 1 Remove the Treadmill Hood 1 1 Place two 2 5 inch 13 cm blocks securely under the treadmill headframe and lower the treadmill onto the blocks to un weight from the grade mechanism 12 Turn the treadmill circuit breaker off and unplug the treadmill power cord 1 3 Remove the two 2 screws on the treadmill hood 1 4 Lift off the hood 2 Remove the Grade Actuator Motor 21 Unplug the Actuator cables from the VSD board See Figure 1 for T912 and Figure 2 for T91
64. e red and black wires reads 14VAC Is the voltage good Replace the VSD Board Replace the blown fuse Replace the Configuration Plate Assembly Nautilus Commercial T9 Series Treadmill Service Manual SECTION 4 914 916 TROUBLESHOOTING ELECTRICAL PROBLEMS Troubleshooting Flowchart No Elevation Movement Treadmill will not elevate Isa Grade Move No Error present Yes Unplug P18 and check for 118VAC between the blue and brown wires Is the voltage good No fuse 2 on the Configuration Plate Assembly Turn off power v Cycle the power Does the treadmill No elevate Upgrade the firmware Y Short pins 1 and 2 of Q8 on the VSD Board Turn power back on Does the Actuator Motor run Replace the Actuator Motor Replace the VSD Board 58 Y Perform keypad test Speed Up 6 Up Down Replace the Controller Processor PCB Y Replace the Keypad Assembly Eu SECTION 4 914 916 TROUBLESHOOTING ELECTRICAL PROBLEMS Troubleshooting Flowchart Non Functio
65. e the pulley into the cut out on the side rail see Figure 7 1 7 3 With your free hand slip the motor drive belt onto the Front roller pulley and the motor flywheel 7 4 Align front roller pulley with motor flywheel than install the retainer plates in the grooves on the roller Tighten all the screws on the retainer plates see figure 7 2 7 5 Place Tensioner assembly onto the tensioner bracket and screw in bolt finger tight 7 6 With a 15 16 wrench Place on the large nut of the assembly and push forward until the adjustment knotch is even with the top knotch on the left side of the wheel and hold See Figure 7 3 and 7 4 1 1 Place a 9 16 wrench on bolt and tighten counter clockwise Figure 7 3 8 Reinstalling the Rear Roller 8 1 Slide the rear roller inside the belt and let it hang loose 8 2 Install the alignment bolts through their holes in the end cap and into the holes on the roller see Figure 8 3 8 3 Install the end cap onto the rear of the treadmill making sure the alignment pins go into the holes on the ends of the side rails 8 4 Hand tighten the adjustment bolts Figure 8 3 Installing alignment bolts 8 5 Align the walk belt so that the edges of the belt are equal distance from the side rails 12 SECTION 1 MAINTENANCE 8 6 Tighten the adjustment bolts to take the slack out of the walk belt 8 7 Perform the belt tension and belt tracking procedures outlined on pages 7 8 9 Reins
66. econds with no tach signal the system will shut down Nautilus Commercial T9 Series Treadmill Service Manual Other Err Code displayed Rerun manual workout Intermittent connections may have caused condition to occur Go to appropri chart 45 SECTION 3 912 TROUBLESHOOTING ELECTRICAL PROBLEMS Troubleshooting Flowchart Belt Over Speed Error OS Treadmill Belt Stops Isa Err OS present on Display No Yes Move the walk belt by hand such that the front pulley s magnet passes by the sensor LED9 Speed LED ON ONLY when passing the magnet Yes Check main cable 41170 for opens or shorts No Does OS Error still occur Replace Drive board No Does OS Error still occur Replace the Console Board 46 Note after cycling power the error will disappear until the Belt is started then quickly the system will shut down Replace Drive Board IF Sensor wiring is Okay Check integrity of Sensor wiring Replace Reposition Sensor close to pulley magnet Noise CAUTION DO NOT PLACE FINGERS UNDER BELT WHEN GRABBING BELT TO MOVE IT Other Err Code displayed Rerun manual workout Intermittent connections may have caused condition to occur
67. g3d CSA 94 uo 105592010 au eJ 13539 seu 2 JoJow ayy saJnseau zey Agin3Jlo aU 2 Buneeu8A0 JOJOW 0 uado s JOJOW Jagyjem au UO 5 JEW aU Z 10 00 SI Jaqyjem ay sjewod zey sng 90 94 40883 5501 43MOd 10 40883 se 10118 SIU peAe dsip asemyos 10 SUOISJ8A Alle 0 y Jo Aue 10113 5141 Apjoinb 0038 pue 0 906 uoneJjedo Buunp ueg HOHH3 HMd 3AIHG Sng 3q uo e 10 00 JO 00 S128 9p ISA 99 u8uM 11530 30443 s poJ 10413 SIU JeyM 62 T914 916 TROUBLESHOOTING ELECTRICAL PROBLEMS SECTION 4 7424 105592014 1030 e2e day GSA e ejdey JOJO 82ejday Vdod 105592014 64 aoejday peuinbaJ se jaued Aay 10 91965 JOY Jeune uoneJado 2842 pue jaued JoSuasyono 2 72942 pe12euuoosip jaued Aay 0613 209 Aeme 906 51515 90 wajqojd JayJaym jaued Ae 64 9 JOY 198euuoosiq GSA e2ejday 1010 apesb aoejday uonoy u1no4 N99p 3194 01 uado 1010 2 2 pue umop 002 JOJOW
68. hood off and a similar user weight and speed running observe LED 11 on the Drive Board to see if it s flashing or ON continuously Drive board is bad Replace the drive Treadmill will not change Drive board or connections are bad See the troubleshooting charts for grade specific steps Treadmill will not reach Speed limit control may be Refer to Part 2 for adjusting treadmill maximum speed activated Speed calibration may maximum speed Rerun the Speed have been lost in code Calibration utility in Section 2 Treadmill will not reach Time limit control may be activated Refer to Part 2 for adjusting treadmill maximum time maximum time Walking belt stops and no User accidently hit the Ergo stop Press START to resume workout error message appears button Unit shuts off and wall or User s weight is higher than Replace deck belt treadmill circuit breaker recommended speed for that has opened After resetting weight or deck belt has worn and system works fine with no system is pulling more current than load on belt the system is designed for 40 SECTION 3 T912 TROUBLESHOOTING ELECTRICAL PROBLEMS Error Reporting The system reports various problems to the user via the display The format includes the text line reporting the error Definitions Warning A message display that appears on the console display that informs you of a condition that requires attention but does not stop treadmill
69. ix 15 dot tall 24 dot wide All LEDs amber in color 82 in 35 in 48 in 400 Ibs 181 kg 22 in W x 57 in L 56 W x 1 4 m L Low friction belt and deck that requires no waxing or lubrication Crowned front and rear rollers center the belt automatically 0 5 to 12 mph 8 km h to 19 3 km h 0 to 15 Twelve Speed Incline Elapsed Time Pace Watts METs Strides Per Minute Calories Per Minute Heart Rate Percentage of Max Heart Rate Distance and Calories Polar compatible wireless English German Spanish French 50 90 F 10 32 13 122 F 25 50 3 95 relative Limited to 90 32 maximum dew point 3 95 relative Limited to 90 F 32 maximum dew point 8 60 15 0 psia 445 775 mm Hg absolute 8 22 15 0 psia 425 775 mm Hg absolute Nautilus Commercial T9 Series Treadmill Service Manual 127 SECTION 7 APPENDIXES Appendix D Model T914 T916 Specifications Electrical Physical Functionality Environmental 128 Voltage Amperage Motor Display Length Width Height Max User Weight Supported Belt Belt Deck Lubrication Belt Tracking Method Speed Range Elevation Range Number of Functions Heart Rate Monitoring Workout Programs Language Options Operating Temperature Storage Temperature Operating Humidity non condensing Storage Humidity non condensing Atmospheric Pressure Operating Atmospheric Pressure
70. ket and loosely tighten with the mounting bolt 45 Place a 15 16 open end wrench on the large nut of tension wheel than turn counterclockwise to adjust the tension notch evenly with first notch on the left side ofthe wheel and hold see Figure 16 46 Place a 9 16 socket on the mounting bolt and turn clockwise to tighten the bolt see Figure 17 Figure 17 5 0 Reinstall the Treadmill Hood 5 1 Install Kick plate and all covers previously removed in Step 1 2 5 2 Plug the AC power cord into the treadmill and turn on the treadmill circuit breaker switch Electrical Troubleshooting Table and Wiring Schematics Use the electrical troubleshooting table and wiring schematics in Sections Three and Four to assist you In Isolating and correcting electrical and electronic problems Nautilus amp Commercial T9 Series Treadmill Service Manual 77 Section Parts List and Exploded Views Contents Parts List 19 12 19 Exploded Views Model T9 12 84 Parts List Model 19 14 93 Exploded Views Model 19 14 98 Parts List Model 9 16 107 Exploded Views 19 16 112 SECTION 6 PARTS LIST AND EXPLODED VIEWS Parts List Model T9
71. l T9 Series Treadmill Service Manual 105 SECTION 6 PARTS LIST AND EXPLODED VIEWS SECTION 6 PARTS LIST AND EXPLODED VIEWS Parts List All Models T9 16 Warranty Terms Please note that warranty terms may differ outside the U S A Contact your local dealer or distributor your country to receive the warranty terms for your area Code 1 3 Year standard coverage on parts Code 2 1 Year standard coverage on wearable parts Code 3 15 Year standard coverage on frame and motor T916 110V WARRANTY B O M SKU 00080 001 PART NUMBER WARRANTY MFG PART DESCRIPTION CODE NUMBER Nautilus Commercial T9 Series Treadmill Service Manual 107 SECTION 6 PARTS LIST AND EXPLODED VIEWS PART NUMBER WARRANTY MFG PART DESCRIPTION CODE NUMBER SM41141 41141 E RING EXTERNAL RETAINING SM41154 41154 ASSY MAGNETIC SWITCH SM41158 41158 END CAP HANDLE BAR MOLDED SM41169 41169 CABLE ASSY CONTACT HR PADS 108 SECTION 6 PARTS LIST AND EXPLODED VIEWS PART NUMBER WARRANTY MFG PART DESCRIPTION CODE NUMBER WELDMENT FRAME 63 DECK Nautilus Commercial T9 Series Treadmill Service Manual 109 SECTION 6 PARTS LIST AND EXPLODED VIEWS Parts List Model T9 16 ADDITIONAL COMPONENTS T916 110V DOMESTIC TV WARRANTY SKU 00080 004 PART NUMBER WARRANTY MFG PART DESCRIPTION CODE NUMBER SM17787 17787 CONNECTOR RF 3MM F SM17847 17847 ASSY HARNESS TV PWR T914 T916 SM41606 41606 A
72. nal CHR NOTE Before troubleshooting a non functional CHR verify the Contact HR mode is enabled in the CUSTOMIZE Service Menu CHR does not function Check for 2VDC between the top and bottom contact plates on each handgrip Remove the No contact plates from handgrips and recheck voltage Is the voltage good Yes Is the voltage is good Replace the CHR Cycle the power PCB Replace the CHR No making sure the wire tabs do not contact each other inside the Ergo Bar Assembly Is the CHR working Yes Replace the Controller Processor PCB Nautilus Commercial T9 Series Treadmill Service Manual 59 T914 916 TROUBLESHOOTING ELECTRICAL PROBLEMS SECTION 4 asned o Ajexi 9 482 s 7854 1 105592014 Gd UO OL ajged 5 Vg9d 105592044 2 peBBnjdun 104 72945 4 5 UONNEIIUNWUIOI 92e day 184 aaejday GSA e2ejday 195 Ji 995 0 OU JO 19591 108592014 HO 250 o Ajay 150 ajged vg3d 1 105592014 Gd UO OL ajged 5 uoneaiunuluoo uoneanDBijuo 2 pabewep peBBnjdun 104 72945 4 5 51 0615 1 0
73. nce History settings allow you to view the machine s error log history maintenance time since last service and OA ID Number Inspector Code if applicable To scan through and change the owner defined codes perform the following steps Table 2 40 Diagnostic 2 Step No Press Keys on Console Display What you will see 14 sPEED UP 7 ENTER SERVICE 2 SPEEDUP OR SPEED DOWN ERROR LOG MANT HOURS QAIONUMBER a SPEEDUPORSPEED Dow errorcoos 0 s fem mgngsursvyouwwr _ To view a particular machine status without having to scan through allthe choices perform the following steps for that listed option Table 2 41 Error Log SPEED UP OR SPEED DOWN ERROR NAME POSITION COUNT IN LOG AND HOURS AT OCCURANCE CLEAR MAINTENANCE LOGS CLEAR THE RESULTS YOU WANT PRESS 0 THEN ENTER TO RESET Nautilus amp Commercial T9 Series Treadmill Service Manual 35 SECTION 2 CONSOLE CODES Magnetic Key Limit Access Control Overview Limited access control lets you restrict treadmill use to authorized personnel It also lets you stop the treadmill in an emergency The magnetically activated control is located on the front of the display console just below the STOP key The limited access control is deactivated on machines shipped from the factory Activation Activate the limited access control and restrict access by placing the magnetic key supplied with the treadmill in the designated area below
74. nd easily damaged Settings For the beginner the multimeter can be intimidating because of the range of settings available The diagrams on page 75 show what settings to use when checking voltage and resistance on the fitness equipment Perhaps more importantly it Shows which settings are not needed There are two types of digital multimeters commonly available switched range and autoranging Switched range meters require you to choose the appropriate position from the many choices available on the dial For example if the dial is switched to 20VDC 20 volts is the maximum voltage that can be measured This is important when you want to read small increments in voltage accurately For example if the required voltage is 13 5 volts and the meter is set too high you may only see 13 volts on the readout Setting the meter to a lower maximum will show 13 5 volts Autoranging meters automatically adjust the range to give an accurate reading This type of meter is more expensive but much easier to use Nautilus Commercial T9 Series Treadmill Service Manual 123 SECTION 7 APPENDIXES Appendix B Switched Range Meter Set here to check DC voltage Set here to check AC voltage 20 will be the most used setting for measuring DC voltage output These are for checking amps and are not needed for our purposes Set here to check resistance ohms Black negative lead Or here to listen for always goes here an a
75. ne such as the e display e keyboard e Serial port e CSAFEand TM tests require special factory LoopBack Test Connectors e A Sensor factory only test and 0 Test factory only test The diagnostic codes also allow you to get a report on the treadmill s e drive bus voltage e actual grade setting e auto stop calibration test if available and e adjustment of grade motor by pressing GRADE UP or GRADE DOWN keys Table 2 34 Diagnostic mem Press Keys on Console Display What you will see 1 sPEED UP 6 ENTER DIAGNOSTIC SPEED UP OR SPEED DOWN DISPLAY TEST KEY TEST SERIAL PORTS A SENSOR B O TEST BUS VOLTS AUTO STOP GRADE ACT 3 ENTER SELECTED CHOICE gt CLEAR DIAGNOSTIC 5 CLEAR THE RESULTS YOU WANT Quick Start and STOP can be used to monitor Bus voltage while belt is under load Also this test turns on a Belt braking resistor so voltage should change while this occurs To scan through the list of diagnostic tests and view diagnostic information Table 2 35 Display Test Step No Press Keys on Console Display What you will see 1 SPEED UP 6 ENTER DIAGNOSTIC 2 SPEED UP OR SPEED DOWN DISPLAY TEST a fe DISPLAY LCD SEGMENTS ILLUMINATE IN ALTERNATING FASHION 4 CLEAR DIAGNOSTIC 5 CLEAR THE RESULTS YOU WANT Nautilus Commercial T9 Series Treadmill Service Manual 33 34 SECTION 2 CONSOLE CODES Table 2 36 Key Test SECTION 2 CONSOLE CODES MAINTENANCE LOGS The Maintena
76. ntinues user selection failure CS COM ERROR Warning Anytime Stops CSAFE but ALL CSAFE communication failure continues program Nautilus Commercial T9 Series Treadmill Service Manual 55 SECTION 4 914 916 TROUBLESHOOTING ELECTRICAL PROBLEMS Table 4 5 Error Resolution Error Code Action ___ TM COM ERROR Verify the cable connections at both ends Check for bent or broken pins and replace if required If error persists replace the VSD or controller as necessary DRIVE ERROR Replace the VSD OUT CVR 1st action Check that drive motor connections are intact 2nd action Replace the VSD 3rd action Replace Motor OVERLOAD Belt or deck is almost worn out or user is too heavy for speed range otherwise press WARNING CLEAR SYS OVER LOAD High Motor overload caused by one of the following 1 Runner heavier than weight speed envelope in conjunction with significant deck wear Solution Restrict use to people within the weight speed specifications and check deck wear Replace if necessary Motor lead disconnected or loose Solution Check the motor leads to ensure all leads are connected One loose or disconnected lead will cause the overload Electrical failure on the drive electronics Solution Replace the VSD Motor blocked by obstruction Solution Remove the obstruction DRV MON ERR Replace the VSD CONFIG Change the configuration by entering SPEED UP 8 and press ENTER key twice then sc
77. or Quick Start Refer to the following table to scan through and change the cardio settings Table 2 7 Defaults Press Keys on Console Display What you will see SPEED UP 2 ENTER DEFAULTS SPEED DOWN or SPEED UP ENTER WT ENTER TIME ENTER AGE THR PERCENT SPEED COOLDOWN TIME QUICK START ENTER Selected choice SPEED or SPEED Default value changes ENTER DEFAULT CLEAR THE RESULTS YOU WANT Nautilus Commercial T9 Series Treadmill Service Manual 23 SECTION 2 CONSOLE CODES Refer to the following tables to change individual default workout settings without scanning through all the selections Table 2 8 User Weight Step No Press Keys on Console Display What you will see 3 SPEED UP 2 ENTER DEFAULT 2 SPEED UP OR SPEED DOWN WEIGHT SPEEDUP OR SPEED Down WEIGHTCHANGES _ s mmm s mengsursvyoowwr Default setting Setting could be different if the treadmill was customized Table 2 8B Enter Level 1 20 step No Press Keys on Console What you wile 1 SPEEDUR 2 ENTER 2 SPEEDUP OR SPEED Dow _jenmeruever _ a SPEEDUP OR SPEED DOWN LEVEL CHANGES 6 CLEAR THE RESULTS YOU WANT Default setting Setting could be different if the treadmill was customized Table 2 9 Exercise Time Step No Press Keys on Console Display What you will see 3 SPEED UP 2 ENTER DEFAULT 2 SPEED UP OR SPEED DOWN ENTER TIME ENTER CURRENT TIM
78. ove the Black and Red wires from points 1 and A2 on the Motor controller board see Figure 11B Remove the Ground wire from the machine in 905 1 58 13 Note Some machines have the Ground wire attached to the frame and some have it attached to the Line input side of the Line filter on the Configuration plate Make sure the machine is unplugged from the wall before removing the wire from this location Loosen the mounting bolt attaching the tension wheel to the bracket and remove the tension wheel assembly than remove the drive belt from the motor flywheel pulley See Figure 12 Figure 12 Nautilus Commercial T9 Series Treadmill Service Manual 75 SECTION 5 TROUBLESHOOTING MECHANICAL PROBLEMS 3 0 2 3 2 4 2 5 Figure 14 Models T914 and T916 Use a 13 millimeter open end or socket wrench to remove the four 4 bolts securing the motor to the headframe and pull the motor off ofthe headframe NOTE Use care when removing motor it is heavy and if dropped may cause damage to the machine See Figure 13 for 1912 motor See Figure 14 for 1914 and T916 motor NOTE Machines possibly have one of two motor versions with or without a conduit box similar to figure 14 Remove the four 4 washers and rubber Note the arrangement of the isolator mounts Loosen the two 2 set screws fastening the flywheel drive pulley to the motor shaft and then remove the flywheel drive pulley Install Motor
79. rcuit breaker Adjusting Belt Tension IT Adjust the belt tension whenever the belt slips or moves unsteadily during operation by following the steps below UU sss 1 Start by loosening the two 2 adjustment bolts see Figure 1 2 With the walking belt loose place two marks Figure 1 Adjustment Bolts 35 inches 89 cm apart on each side of the belt near the edge The belt must be loose enough for you to move it from side to side on the front or rear roller see Figure 2 Figure 2 3 Turn the adjusting bolts clockwise by equal amounts until the marks are between 35 3 16 inches and 35 5 16 inches apart Proper tension for the walking belt is between 5 6 This should be about six full turns of each adjustment bolt from the point where the belt begins to stretch Important Do not exceed 35 5 16 inches DO OVERTIGHTEN THE WALKING BELT DO NOT TORQUE ADJUSTMENT SCREWS BEYOND 80 IN LBS 9 N M MAXIMUM OVERTIGHTENING THE BELT WILL REDUCE BELT LIFE AND DAMAGE THE ROLLER BEARINGS Nautilus Commercial T9 Series Treadmill Service Manual 7 SECTION 1 MAINTENANCE 4 Test the belt by running on the belt at about four 4 mph Hold the handrail lightly and resist the belt movement with your feet CAUTION DO NOT USE ALL YOUR WEIGHT TO RESIST THE BELT MOVEMENT MUCH RESISTANCE APPLIED TOO LONG MORE THAN TWO SECONDS SHUT DOWN THE SYSTEM VARIOUS ERROR MESSAGES WILL AP
80. roll to correct device type If the error persists replace the Console or Processor board GRD MOV ERROR Replace the VSD or grade motor VSD Table 4 6 LED Patterns Only when belt is running When belt is stopped At 1 second Overload No Communication to Console rate good check cable communications to console DS1 AND DS2 flashing together at same rate VSD Failure 56 SECTION 4 914 916 TROUBLESHOOTING ELECTRICAL PROBLEMS Troubleshooting Flowcharts Use the flowcharts on the following pages to help you localize and correct electrical and electronic problems Troubleshooting Flowchart No Display There is no Console display Is DS3 Yes Check that voltages between TP7 GND and pin 1 of P1 and TP7 and pin 8 of P1 on VSD Board are 18VDC Is the voltage good Remove Console and disconnect J4 harness on Console Processor PCB Check that the voltage between pins 1 black and 2 brown and pins 2 and 8 purple of the wire harness reads 18VDC Is the voltage good Replace the Processor PCB the VSD Board Replace the Main Cable Check fuses F 1 F3 and F4 on Configuration Plate Assembly Are the fuses good Remove P14 on the VSD Board Check that the voltage between th
81. s see Figure 2 1 and 2 2 2 2 Carefully slide the roller out from the machine see Figure 2 3 2 3 Remove the Kick Plate and four 4 screws see Figure 2 4 2 4 Remove the Pivot Bolt on the left and right side of the Upright Weldment see Figure 2 5 2 5 Remove the screw from the Front Roller Retaining Bracket on the left and right side then remove the Figure 2 1 brackets see Figure 2 6 2 6 Remove the Bolt and Tensioner assembly from the frame see Figure 2 7 and 2 8 2 7 Slide the Front Roller over to the left then use the belt to lift and slide out the roller from the machine see Figure 2 9 Figure 2 4 Figure 2 5 Nautilus Commercial T9 Series Treadmill Service Manual 9 SECTION 1 MAINTENANCE 3 10 Figure 2 8 Removing the Deck 3 1 Remove the right and left Rubber Side Extrusion exposing the Side Rail Bolts see Figure 3 1 3 2 Remove the right Side Rail Bolts and Side Rail exposing the Deck Bolts then repeat for the left side see Figure 3 2 3 3 Remove the left side Deck Bolts then repeat for the right side see Figure 3 3 3 4 Lift and slide the Walk Deck out and replace if needed see Figure 3 4 3 5 Reverse steps when re installing the Walk Deck IMPORTANT When reattaching the Walk Deck with the Deck Bolts apply a small amount of Loctite 243 on the threads and torque to 15 in Ibs Figure 3 2 SECTION 1 MAINTENANCE Figure 3 3 Figure 3 4 4 Inspection
82. t Err2 Error Starts to power up then stops Console ROM Program Memory failure during self test Err3 Error Starts to power up then stops Console NVRAM Saved Parameter Memory failure during selt test Nautilus Commercial T9 Series Treadmill Service Manual 41 SECTION 3 912 TROUBLESHOOTING ELECTRICAL PROBLEMS Troubleshooting Flowcharts Use the flowcharts on the following pages to help you localize and correct electrical and electronic problems Troubleshooting Flowchart Motor Stalled Overheated No Signal Error 1 Treadmill will not elevate Isa Err Grd1 present Other Err Code displayed Go to appropriate chart Note if after cycling power Yes the error disappears during Grade movement changes assume excess movements Check motor pwr caused thermal overload P2 P4 P7 and position J3 connections Do Nothing Thermal Protection Switch was active Connections good Yes Enter Service mode for Grade check move grade up dwn and examine Grade LEDs on hood Yes Measure volt at P2 to P7 or P4 to P7 for LINE VOLT LEDs indicate correctly v Note prior to replacing motor check for frozen drive Nut to the drive shaft Stalled Condition Replace main cable 41170 Replace Grade motor wires Volt present when LED ON
83. t breaker to ON There is no power at the wall outlet Check the building circuit breaker There is an internal electrical e Refer to the wiring schematics problem located in this section of the manual There is a blown fuse Replace F1 or F2 depending on voltage configuration on the lower motor drive board Circuit breaker trips during normal There is a power fault Inspect walk belt for wear operation There is an insufficient power sure the outlet voltage Source is 115VAC USA or 230VAC International or 10 The treadmill is not on its own Plug the treadmill into its own 15 dedicated circuit or 20 amp dedicated electrical outlet depending on the label rating Treadmill will not change grade or Thermal overload switch has Allow grade motor to cool and grade actuator motor runs but the opened from excessive grade restart system grade never changes changing There is an internal problem Cycle the power switch on the treadmill Replace the grade actuator motor See the troubleshooting charts for more specific testing Nautilus Commercial T9 Series Treadmill Service Manual 39 SECTION 3 912 TROUBLESHOOTING ELECTRICAL PROBLEMS Table 3 2 Electronic Issues System stops unexpectedly Belt is possibly worn and causing Replace the belt and flip or possibly while user is running at the circuit breaker to open With the replace the deck moderate to high speeds
84. tall the Treadmill Hood 9 1 Install all treadmill covers previously removed in step 1 2 9 2 Plug the AC power cord into the treadmill and turn on the treadmill circuit breaker switch Replacing the Contact Heart Rate CHR Sensors 1 Starting on right side remove the three screws attaching the covers together with a 7 64 Allen bit see Figure 1 2 Lift the top cover with CHR plates attached and unplug the attaching CHR cable wires see Figure 2 and 3 3 Reattach the CHR cables to the new top cover with CHR plates and secure to the bottom cover with the three Screws Note Connect the color coded CHR wires in the same order that they were removed Figure 2 Figure 3 Nautilus Commercial T9 Series Treadmill Service Manual 13 SECTION 1 MAINTENANCE Updating the Console Firmware Model T912 The firmware can only be updated at the factory the console must be exchanged Model T914 amp T916 A WARNING PLUG P7 AND CONNECTOR J7 ARE KEYED DO NOT CONNECT P7 TO J7 BACKWARDS OTHERWISE THE PCBA PROCESSOR ASSEMBLY CAN BE DAMAGED 1 Turn the power off 2 Remove the six 6 screws attaching the metal access panel on the rear ofthe console to expose the internal PC board 3 Plug the FISP into J15 in the lower right corner of the board see Figure 1 4 Turnthe power back on e The LED on the FISP will flash orange as data is downloaded to the console When the download is complete the LED
85. the display console The magnet will activate the control The magnetic key feature for the treadmill is now active If you remove the key the treadmill belt will stop and the controller will not respond to any key presses The console will display a message REPLACE MAGNET when you remove the magnetic key from its designated area You must replace the key or deactivate the control to start the treadmill belt Deactivation T9 12 STEP 1 With the magnet key removed if Replace Magnet is displayed on the console Press STOP to return machine to dormant mode STEP 2 Press and hold SPEED UP and SPEED DOWN keys and for 3 seconds STEP 3 Press ENTER to sequence through selections until MAGKEY is displayed STEP 4 Press the SPEED UP or SPEED DOWN keys to toggle mode ON or OFF STEP 5 Press ENTER to save setting STEP 6 Press STOP to clear the mode Deactivation T914 T916 STEP 1 With the magnet key removed and Replace Magnet displayed on the console press the SPEED UP key 3 and ENTER STEP 2 Press the SPEED UP or SPEED DOWN keys to display Enable Magkey STEP 3 Press ENTER and the console display will show STEP 4 Press the SPEED UP or SPEED DOWN keys to toggle off STEP 5 Press ENTER to save setting STEP 6 Press CLEAR to show the results you want on the console display Magnetic Key as an Emergency Stop The magnetic key has a string with a clip that attaches to your clothing during exercise If
86. ttent connection to J3 on Drive Board or Grade motor move to within range NO Check LEDs on Hood did they indicate movement v Yes LEDs indicate correctly c Replace main cable 41170 Does Service Mode No v Replace the Grade Motor Replace the position adjustment fix problem v Console board 44 Go to appropriate chart SECTION 3 T912 TROUBLESHOOTING ELECTRICAL PROBLEMS Troubleshooting Flowchart Belt Speed Tach Signal Loss Error LS Treadmill Belt Stops Isa Err LS present on Display No Yes Move the walk belt by hand such that the front pulley s magnet passes by the sensor Does the Speed Movement 209 light Yes Check the main cable 41170 for open or shorts Does LS Error still occur Replace Drive board No Does LS Error still occur Replace the Console Board Replace Drive Board IF Sensor wiring is Okay Check integrity of Sensor wiring Replace Reposition Sensor close to pulley magnet CAUTION DO NOT PLACE FINGERS UNDER BELT WHEN GRABBING BELT TO MOVE IT Note after cycling power the error will disappear until the Belt is started then 3 5 s
87. uado sey yay ms 12119 00 SI 1494109 1030W aque MO 00 SI 3U8JJn2 1030W 43 AAEM eyiq 10 18ddajs 162 ue se yans JONpOJA JO SEM 105592044 64 y 1241 sa1eoipur 10 19 SIU uedo syg3d ISA pue 105592014 64 ay 2 uoNEJIUNWWOI Ay 10 01 uaym s eadde aDesso A 50 2 191 si Aay JayJoue ayiuM si e 110 Ajsnoau ejnuiis umop pjay OMI JI 1531 1891 99195 au s eadde asemyos Ag 0 payiej 9peJr 143 30443 THAO SAS 90443 100 0404 80893 d3MOd 3 40 q3NIJ3Q LON 40443 099 s poJ 40443 Ieuonei do 63 Nautilus Commercial T9 Series Treadmill Service Manual T914 916 TROUBLESHOOTING ELECTRICAL PROBLEMS SECTION 4 105592044 Gd a9ejday uonoy 99 GSA 92ejday uonoy ISA pue 105592014 Gd uaamieg e qeo UONEIIUNWWOI 92e day DUE 594 024 uo ui saeduinf 5 9 1991109 ISA uo 1 0 ainsuy SJe9 2 J 8S 1914014 pue JaMod 91949 9 55918 sAay
88. udible response useful when testing a sensor Autoranging Meter 124 Set here for an audible response Set here to check AC x The remaining three are for amps settings AC DC AUTO SELECTION Black negative lead Set here to check always goes here resistance ohms SECTION 7 APPENDIXES Appendix B Checking Resistance Use this procedure to check for broken wires 1 2 3 Set the multimeter to the lowest OHM ss resistance range Attach the test leads on both ends of the wire being tested Observe the reading A short circuit will read less than approximately 3 ohms This 1 the correct reading for undamaged wire An open circuit will usually read infinite on a digital meter it will have an error code This signals a broken or cut wire Use this procedure to test for crossed wires In most circumstances all indivudual wires in a cable will be insulated from each other When a wire Is pinched it becomes short circuited to an adjacent wire This can cause problems resulting in blown fuses or fried components 1 2 Set the multimeter to the lowest OHMs resistance range Attach one test lead of the multimeter to one wire and check all adjacent wires This can all be done at one end of the cable However the other end of the cable must be disconnected from the circuit board All wires should be insulated from each other and therefore test open Observe the reading
89. will see QUICKSTART 222 4 QUICKSTART 6 SPEEDUP Units reset to 0 Production Test Menu Table 2 5 Production Test Menu Begins automatic testing on RAM Test ROM Test and NVRAM Test Displays results of PASS Err1 RAM Failure Err2 ROM Failure or Err4 NVRAM failure Software Version in Dist Cal display window and security data Checksum in Time Pace display window Display Test 18 SECTION 2 CONSOLE CODES Management and Setup Menu Table 2 6 Management and Setup Menu Press Keys on Console Display What you will see SPEED UP AND SPEED DOWN Total Hours for 3 secs ENTER Moves into next selection Maximum Speed Maximum Work out Time Mag Key Limited Access Control Units English or Metric Language Selection SPEED UP OR SPEED DOWN Scrolls between values Exits setup Model T914 4 T916 There are seven groups of console codes for Models 1914 and 1916 as follows Cardio codes starting with 2 Owner Defined Custom codes starting with 3 e Machine Status codes starting with 4 e R and D codes starting with 5 FACTORY TEST only Diagnostic codes starting with 6 e Maintenance Logs codes starting with 7 and e Change Machine codes starting with 8 Each group of codes is defined below by quick reference guides Console Cardio Codes and T914 T916 Service Screen Overview and detailed instruction sections To access these console codes and the options within ea
90. will turn to solid green e The download takes one minute If the LED is solid orange inspect the connection the plug may be forced incorrectly in the socket Turn the power off Unplug the FISP ribbon cable from J15 Reattach the access panel with the screws removed on step 2 22 ee uM Turn the power on and reconfigure the console using code Speed Up key 8 Enter and then Enter again at this point using the Speed or Grade Up or Down arrows will allow the appropriate selection to be seen Press Enter to select Figure 1 14 Section Console Codes Contents Overview Model T912 17 Table 2 1 NVRAM 17 Table 2 2 Speed Cal 17 Table 2 3 Setting Device Limits 18 Table 2 4 Reset to Zero 18 Table 2 5 Production Test 18 Table 2 6 Management amp Setup Menu 19 Model 1914 and T916 19 Console Cardio 20 Service Screen 22 Cardio Table 2 7 Defaults 23 Table 2 8 User Weight 24 Table 2 8B Enter Level 1 2

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