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Norcold 2117 Series Service manual

1. lt 10 5 to 15 4 VDC GO 9 OvAOZVOVOL QBP sau Poter Brunt resi02 08 9 0544 SAQANAC N 42VDC Green Red Blue Figure 3 3 Measuring DC voltage across Red Blue wire and Green wire 13 10 5 to 15 4 votls DC Figure 3 4 Measuring DC voltage across the Black wire and Red Blue wire at the optical controls display assembly circuit board connector Optical Control Display Assembly Back View IMPORTANT Voltage is only present when the ON OFF switch button is held pressed while tuming ON the refrigerator Figure 3 5 14 10 5 to 15 4 votls DC Measuring DC voltage across Black wire and Blue wire at the optical control display as sembly circuit board connector To check Red Yellow wire and Blue wire for continuity T 2 10 5 to 15 4 VDC P2 Power board connector Disconnect P1 and P2 from Power Board Disconnect Optical Control Assembly P1 from circuit board Jump Red Yellow wire and Blue wire at Power Board P1 and P2 connector Connect ohm meter to Red Yellow wire and Blue wire contacts at Optical Control Display wire har
2. f 45 z 5 Figure 5 2 DC power fuse location Right light switch Left switch not shown Figure 5 3 Light switch location IMPORTANT In roof vented installations it may be necessary to remove the refrigerator from the enclosure to measure thermistor resistance or to check the fan operation In sidewall installations the thermistor resistance and fan operation can be checked after removing the upper sidewall vent Spacer 2 per fan xm Light bulb Fan Cover a gt 7 SS Figure 5 4 Light fixture assembly 9 Bracket Divider Heater The divider heater is permanently foamed between the freezer and fresh food compartment divider Turning on the refrigerator automatically Figure 5 5 Fans and turns on the divider heater hardware Power output to the divider heater is turned off during defrost bypass aL External Fans Condenser fin Screw 8 32 x 1 2 per bracket Two 12 volt DC fans shown in Figure 5 5 installed on the cooling system foam plug boost ventilation Each fan draws 0 900 amps 12 volt DC Fan resistance through the fan motor circuit is approxima
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4. Tana Figure 11 4 Wiring pictorial 20 2 222069 86 Ice Maker Wlring Diagram and Pictorial GRN VERT NEUTRAL RIBBED NEUTRE A NERVURES WHT BLANC HOT SMOOTH CHAUD PLAT Figure 11 5 Ice maker wiring diagram and pictorial 120 Hot Smooth 2 EE 120 Neutral Smooth 3 HOY Ground connection ss ciui Iun Ct M E EIE Thermal Fuse EI MNA ILI Solenoid Coil Water valve Mc Ice Maker P Mold Heater iin A Mold Thermostat ON OFF Switch LO MERO II IL II I IC Fill Switch WA C Hold Switch je Stepper Motor 87 BLK NOIR Mgal Si i tab NORCOLD Inc C
5. Electronic with built in self diagnostic ON OFF MODE TEMP SET switches LCD assembly with flush pushbuttons Temperature setting range 1 cold to 9 coldest Temperature defrost sensing devices Thermistors Off level operating limits Side to side 3 degrees maximum at refrigerator Front to back 6 degrees maximum at refrigerator DC power Electronic controls voltage requirement 10 5 to 15 4 VDC Fuse Power Board 5 A tan color automotive blade style Fuse Defrost daughter board 30A DC amperage draw nominal 12 VDC Automatic ignition 0 50 A Divider heater 0 275 A Defrost system 15 A Flapper heater 0 275 A Lamp fresh food comp
6. Figure 3 11 Checking solenoid coil wires Figure 3 12 Checking solenoid coil resistance continuity 26 Sr Code Flame Sensing Malfunction IMPORTANT This fault is recorded in all operating modes anytime one of the following occurs 1 Problem in flame sense circuitry 2 Gas valve drive circuit present when it is not supposed to be 3 Gas valve drive circuit not present when it is supposed to be 4 Internal memory fault The fault registers approximately 25 seconds later in Diaganostic screen 5 segment 5 Ensure white wire from P1 10 to gas valve is not pinched behind gas valve bracket etc which could lead to the gas valve output voltage being shorted to ground Flame sensing circuit malfunction Replace power board 27 C1 Fresh Food Air Thermistor Out of Range Thermistor connected to circuit Check thermistor resistance Resistance range is 1 35 to 250 Check connections and terminals Clean repair as needed 28 C2 Freezer Fin Thermistor Out of Range Thermistor connected to circuit Check thermistor resistance Resistance range is 1 35 to 250 Check connections and terminals Clean repair as needed 29 C3 Freezer Air Thermistor Out of Range
7. 4 shape flue cap Flue baffle wire Flue Flue anister slot burner Figure 7 1 Flue and associated components Blocked or jammed flue cap A flue cap that is blocked with insulation and or jammed against the flue opening restricts the flow of exhaust gases from the burner box The flue cap location is shown in Figure 7 1 Operation over maximum leveled limits The refrigeration cycle works on gravity flow Exceeding off level limits during operation affects the flow of refrigerant through the system Inadequate repairs Inadequate repairs that may result in poor cooling include gt Failure to properly seal the cooling system to the cabinet gt Failure to seal the drip tube penetration gt Altering the angle of the condenser Unauthorized modifications Unauthorized modifications include gt Removal of enclosure baffles gt gt Removal of insulating canister Installation of insect screen over intake and or exhaust vent openings gt gt By passing or tampering with the control Relocation of fans and or thermostatic switch High Temperature Monitor System The purpose of the high temperature monitor system is to prevent damage to the cooling unit due to an overheating condition in the boiler An overheating condition may be caused by one or a combination of the following Insufficient or
8. 7 10 5 volts DC Pressing the MODE switch button displays screen 0 Screen 0 AC Voltage Input Displays AC voltage input to power board through illuminated segments The assigned segments and information are illustrated below 1 Over 132 volts AC gt __ 4 108 to 132 volts AC 7 Below 108 volts AC Pressing the MODE switch button displays screen A Screen A Manual Defrost See page 53 Pressing the MODE switch button displays screen b Screen B Manual Defrost Bypass See page 53 Pressing the MODE switch button displays screen C Screen C Fresh Food Fin Temperature The letter C displays and within five seconds the fresh food compartment fin temperature displays Pressing the MODE 2 switch button displays screen d Screen d Fresh Food Air Temperature The letter d displays and within five seconds fresh food compartment air temperature displays Pressing the MODE amp switch button displays screen E Screen E Freezer Fin Temperature The letter E displays and within five seconds freezer fin temperature displays Pressing the MODE 2 switch button displays screen F Screen F Freezer Air Temperature The letter F displays and within five seconds freezer air temperature displays Pressing the MODE switch button displays screen H Screen H External Fan Temperature The letter H displays and within five seconds the temperature sensed by
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10. Thermistor connected to circuit Connect thermistor to circuit Check thermistor resistance Resistance range is 1 35 to 250 Replace thermistor Check connections and terminals Clean repair as needed 30 C4 Cooling Unit FansThermistor Out of Range 4 Thermistor connected to circuit Check thermistor resistance Resistance range is 120 Q to 250 kQ Check connections and terminals Clean repair as needed 31 C5 Fresh Food Fin Thermistor Out of Range 0 Thermistor connected to circuit Check thermistor resistance Resistance range is 1 6 kO to 295 kO Replace thermistor Check connections and terminals Clean repair as needed 32 Section 4 L P Gas SYSTEM JAN WARNING When working on or near the LP gas system Do not smoke or light fires Extinguish all open flames Do notuse matches lighters or an open flame to test for LP gas leaks LP gas is highly flammable and explosive Do not connect the refrigerator directly to the LP gas container Always use an approved LP gas regulator to supply propane gas to the refrigerator Do not modify any of the refrigerator LP gas system components piping or fittings Pressure Requirements The LP gas system is for propane gas at a nominal pressure of 11 inches water column w c Propane gas
11. eet 5 206 Probable Cause Open circuit high temperature limit switch No AC voltage input to power board AC cord unplugged at power board Power board F2 fuse open blown Burner failed to ignite or relight Flame sensing circuit malfunction Fresh food air thermistor out of range Freezer fin thermistor out of range Freezer air thermistor out of range Cooling unit fans thermistor out of range Fresh food fin thermistor out of range Reference Page 22 Page 24 Page 24 Page 24 Page 25 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Troubleshooting Flowcharts Blank display Refrigerator does not turn ON 6 eC 206 Check DC voltage input at Power Board 10 5 to 15 4 VDC at Power Board Check for loose or damaged RV wiring terminals 12 VDC amp GND or connectors Repair as needed then recheck for Check Power Board F1 fuse see Fig 3 1 page voltage 12 Fuse location shown in Figure 3 2 page 13 d Replace fuse Check condition of F1 fuse circuit board terminals Loose or broken terminals 1 Unplug wire harness at Power Board P1 con nector 2 Check for voltage across Power Board P1 1 and P1 6 See Figure 3 2 page 13 Voltage output 1 11 10 10 Y Wire harness connector not 1 Plug wire harness connector back int
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13. JAN WARNING N WARNING Do not bypass or modify the refrigerator controls Do not wire the heater directly Do not power ON the refrigerator if the Heaters are supplied power through a cooling system has a leak or is suspected fused circuit of having a leak Signs of cooling system leakage Yellow ammonia residue Ammonia smell Replace cooling system Correct installation and ventilation Leveled operation Check as required AC heaters amp draw 1 5 to 1 8 A per heater Burner 8 slot clean Orifice LP22 clean Gas pressure 10 5 to 11 5 in w c Heat input device operating normally Doors gaskets okay Check condition of door gaskets Align doors as required Go to page 58 57 y Replace cooling system Replace cooling unit Cooling system may have to be resealed From page 57 Gurgling sound from boiler area Test cooling system performance Cooling detected Set control to Diagnostic Mode Review history in screen 3 Bring up screen C D and E Make sure unit is not in defrost Monitor freezer and fresh food compartment air temperature for 8 hours with all doors closed Temperature drop in 12 hours Cooling system is okay 58 Cooling system performance check Turn on refrigerator Set mode to AC Set temperature setting to 9 Place a thermometer in a glass of water and record t
14. locking tabs 3 Cover The cover illustrated in Figure 6 3 is attached to the refrigerator back plate with two 8 32 x 1 TNS 8 32 x 1 Hex screw 3 hex screws Figure 6 4 page 52 illustrates the Figure 9 4 Base power board cover over the power board 4 NOTE O Ice maker water dispenser models It may be necessary to move the water valve out of the way to remove and install the cover Troubleshooting Refer to Section 3 for troubleshooting information 8 32 x 1 Hex screw 2 Figure 6 3 Cover power board 46 WARNING High voltage can cause servere injury and death ONLY qualified RV service techincians are autorized to remove this cover Do not allow leak detecting solutions to touch the electrical components Many liquids are electrically conductive and can cause a shock hazard electical shorts and in some cases fire CAUTION 12VDC supply connections are for low direct current only DO NOT connect 120 Sp ark Sense electrode assembly MISE EN GARDE Le courant haute tension peut causer des blessures graves et la mort SEULS les techniciens agr s pour v hicules de plaisance sont autoris s ter couvercle Ne pas laisser la solution de d tection des fuites entrer en contact avec les composants lectriques Beaucoup de liquides son conductors d lectricite et peuvent pr seter des d
15. switch button displays screen 3 Screen 3 Defrost Fault History The number 3 displays and within five seconds if present recorded defrost fault history displays LEGEND A1 Defrost on freezer fin above 80 F A2 Defrost on fresh food fin above 80 F C1 Fresh food air thermistor open or shorted 1 35 kO or gt 250 kQ C2 Freezer fin thermistor open or shorted 1 35 or gt 250 C3 Freezer air thermistor open or shorted 1 35 or gt 250 C4 External fan thermistor open or shorted 120 O or gt 250 C5 Fresh food fin thermistor open or shorted 1 6 or gt 295 Pressing the MODE switch button displays screen 4 Screen 4 Stored Fault History Displays stored fault history using illuminated segments Segments fault descriptions are illustrated below 2 Fresh food compartment door open for more than two 1 Burner failed to light relight minutes 3 DC voltage low UD 4 DC voltage high JA em 6 AC relay stuck closed 5 AC mode selected put tl 7 AC heaters failed open AC voltage not available Pressing the MODE switch button displays screen 5 65 Screen 5 Stored Fault History Screen 7 Power Board Inputs Display stored fault history screens using Displays live power board inputs through illuminated illuminated segments Segments fault segments The assigned segments and information are descriptions are illustrated below illustrated be
16. 120 volt AC Figure 5 15 illustrates i i 15 installed in h the AC heaters fully seated the heater tubes 9 5715 AC heaters installed in heater tubes Each heater resistance value of 73 to 81 O at ambient temperature To replace heater s the refrigerator has to be removed from the enclosure JAN WARNING Burn hazard Allow the canister and heaters to cool before attempting removal and replacement 45 SECTION 6 ELECTRONIC CONTROLS Power Board A front view of the power board is illustrated in Figure 6 1 Inputs outputs monitoring information fault codes and diagnostics are communicated through a wire harness that links the power board to the optical control panel 2 m p gt 2 B ian J em 4 ig a ams 1 VOL T 89 8 rr 4 NOTE Figure 6 1 Power board The wire harness is foamed into the cabinet It is not a replaceable component Upper Base locking tabs 3 The base illustrated in Figure 6 2 is attached to the refrigerator back plate with three 8 32 x 1 hex screws The power board is retained on the base by four locking tabs the defrost board by two locking tabs Lower
17. One AC heater failed open Dirty burner Spark sense electrode wire has no continuity Spark sense electrode gap not 1 8 to 3 16 in Off level operation Insufficient obstructed or downdraft ventilation Heat deflector cap blocking flue opening Cooling system UICK REFERENCE TROUBLE SHOOTING GUIDE Reference Page 10 Page 10 Page 12 Page 16 Page 54 Page 54 Page 33 Page 38 Page 54 Page 55 Page 54 Page 55 Page 57 Page 54 Page 54 Page 26 Page 6 Page 54 Page 54 Page 55 Page 54 Fault Code E jos i 06 FL Probable Cause No 12 volt DC to power board Power board F1 fuse open blown Control panel overlay malfunction AC heaters not connected to power board AC heaters connected incorrectly to power board All three AC heaters failed open AC relay stuck closed Less than 10 5 volts DC input to power board Fresh food comparment door open or ajar for more than two 2 minutes Flame present with gas off Reference Page 10 Page 10 Page 10 Page 16 Page 16 Page 16 Page 17 Page 18 Page 19 Page 21 Fault Code LU D amp D RE 6 wl 2706 eC 7060 td 8
18. Reverse steps 3 to 1 and refer to Figure 5 7 to install replacement fan Flapper Assembly The flapper assembly shown in Figure 5 8 is hinged to the left fresh food compartment door It acts as the vertical sealing surface for the fresh food compartment doors inboard gasket The flapper is equipped with a 12 volt DC moisture reduction heater The heater is supplied DC power through wires foamed into the door liner The heater turns on when the spring pins on the hinge side of the door make contact with 42 P 07 Fan BLACK lead N Figure 5 7 Fans wiring and connections the permanent contacts located on the side of the fresh food cabinet See Figure 5 8 For the heater to turn on both fresh food compartment doors have to be fully closed Powering on the refrigerator automatically energizes the flapper heater circuit Heater operation can be detected by touching the exterior surface of the flapper assembly The surface facing away from the fresh food compartment should be slightly warm to the touch If the surface feels cold to the touch or has moisture accumulation troubleshoot the heater 1 Check for bent broken or missing spring pins 2 Check door alignment If needed align door so all spring pins make full contact with the center of the contacts on the cabinet Check heater resistance Resistance measure ment should read approximately
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20. hazards that may be present hazards or conditions which if ignored while performing a task can cause injury Standard safety precautions and equipment and or property damage should be used when working on electrical circuits and handling toxic or flammable materials Safety goggles and other required protection should be used during any process that can cause material to become airborne such as IMPORTANT removing a leaking cooling unit or cleaning components IMPORTANT labels are followed by information Safety Symbols and Information that MUST be followed to complete technical The following safety symbols and information assistance procedures or tests correctly text are used throughout this service manual JAN WARNING The WARNING symbol and text identify 4f NOTE hazards or conditions which if ignored while performing a task can cause serious Provide additional information that assists with injury death and or extensive property completing steps within a procedure or an damage entire procedure Safety Review General Safety Prevent child entrapment Before disposing of the refrigerator remove all doors and fasten all shelves with retainers External components may have sharp corners and edges Wear hand protection such as cut resistant gloves and exercise extreme care when handling the refrigerator Make sure all hardware such as hinges and fasteners retaining screws etc is pro
21. 40 to 47 O Replace the flapper assembly if the heater is open of if the resistance is not within the values given in step 3 A shorted heater will cause the F1 in the power board to blow causing the refrigerator to lose DC power Flapper assembly gt Spring pins ram Figure 5 8 Flapper assembly left door fresh food compartment Flapper replacement Tools 2 Phillips screwdriver To remove the flapper assembly Refer to Figure 5 9 for location of components 1 2 3 4 Power off refrigerator Open the left fresh food compartment door Remove the bottom and top flapper hinge screws Lift the flapper assembly until the hinges are clear of the stationary supports Disconnect the wiring connector at the at the flapper heater Contacts p 0 Left door ene i Fresh food cabinet 9 NC 43 To install the replacement flapper assembly reverse steps 4 through 1 and refer to Figure 5 9 After completing installation close and open the door several times to make sure the flapper assembly retracts when out of the guide blocks and exte
22. 8 888 and wiring di 6 C lt 7 8 2 10 13014 4X3 11 1 Wire harness connector to power board P1 connector 12 2 Wire harness connector to power board P2 connector 3 12 volt DC connection to power board 12VDC terminal 4 12 volt DC connection to power board GND terminal 5 Jumper defrost board 12VDC to power board 12VDC terminal 6 Jumper defrost board GND to power board GND terminal 16 7 Y connector LO terminal to two AC heater wires Blue or 15 Black 8 AC heater wire AC HT LO 2 to single heater wire Blue or Black 14 12 volt DC to water line heater and water dispenser circuit 9 Y connector AC HT HI terminal to two AC heater wires Yellow 10 AC heater wire HT HI 2 to single heater wire Yellow 15 12 volt DC output to gas valve solenoid coil LP gas mode 11 Temperature LIMIT TN from high temperature limit switch only 16 12 volt DC output to gas valve solenoid LP gas mode only 12 Temperature LIMIT OUT to power board 13 12 volt DC to water line heater and water dispenser circuit 47 17 Connector defrost board communications with power board Power board replacement Tools 1 4 nut driver Anti static wrist strap 1 Power OFF the refrigerator 2 Power OFF the RV DC power to the refrigerator For steps 3 through 5 see Figure 6 6 3 Unplug the AC power cord O at the RV AC receptacle and at the powe
23. Ice Maker In zx 1 Tab style locking connector Thermal fuse Flat side clipped to mold Black line voltage female Green ground with quick connect lug White neutral male quick connect Brown to water valve pw a solenoid coil female quick connect Figure 9 3 Wire Harness Figure 9 3 shows the wires color coding and application gt IMPORTANT lt A four wire harness supplies AC power to the ice maker module The ice maker and its harness are in no way connected to the refrigerator wire harness to the power board or to the optical control display assembly 69 Water Fill Line Figure 9 4 shows the water fill line The fill Water fill tube line connection at the water valve is a 1 4 inch plastic compression fitting The connection at the water fill tube is made with a 1 2 inch hose clamp The fill line is covered with a foil style 12 volt DC heater See Water Line DC Heater in this section Water fill ine gt Z NOTE The refrigerator has to be removed from the enclosure to service or replace the water fill line Foil style heater Water Fill Tube Em The water fill tube shown in Figure 9 4 is installed and sealed at the factory It is not a Figure 9 4 Water fill line and water fill replaceable component tube connection Water Line Heater In ambient temperatures of 42 to 38 F 5 5 to 3 3 C and lower the wate
24. and make sure the AC power cord is plugged into an energized receptacle To manually cycle the ice maker 1 Remove the ice bin and freezer shelf 2 Detach the ice maker from the evaporator plate Do not to pull on the wire harness 3 Rotate the ice maker so the module cover faces toward the freezer door then remove the cover JAN WARNING Pull the jumper wire out when a click sound is heard or no later than 15 seconds after jumpering terminals T and H Failure to remove jumper wire may damage the ice maker 4 Jump test points T and H See Figure 9 9 page 73 Af NOTE Figure 9 10 page73 shows the cycle events after jumpering test points T and H Jumpering the points bypasses the thermostat which causes the motor and the mold heater to come on 120 VAC WHITE 120 VAC BROWN TT ni Spacer 2 8 32 x 2 Screw 2 HT 12 VDC in BLACK VeL 9 J Fz 12 VDC in RED Compression fitting OPER Figure 9 7 Water valve bracket and electrical connections 14 AWG insulated wire 8 to 10 inches long 5 8 inch insulation removed from both ends Figure 9 8 14 AWG jumper wire 12 Pull out the jumper wire when a click sound is heard and no later than 15 seconds after jumpering test points T and H The motor turns the ejector in a clockwise direction and the mold heater energizes The heater de energizes as the ejector fingers pass through the 6 o clock positi
25. board Turn on the refrigerator then set the MODE to LP gas operation Leak test the gas valve burner tube connection fitting the burner tube orifice connection at the orifice assembly Bracket Burner tube RV LP Gas supply LP Gas supply line connection fitting Torque 75 to 95 in Ibs Burner tube connection fitting Torque 75 to 95 in Ibs Figure 4 3 Gas valve replacement 36 Measuring Solenoid Coil Resistance Tools Multimeter To measure solenoid coil resistance 1 Turn off the refrigerator 2 Disconnect wires at the solenoid coil connections 3 Set multimeter to the Ohm function 4 Connect multimeter probes to the solenoid coil terminals as illustrated in Figure 4 4 Coil resistance should be within 78 and 86 ohms Burner Tube Assembly The burner tube is 1 4 inch OD aluminum tubing The anti vibration loop absorbs vibration to prevent metal fatigue Each end of the tube ends in a double flare The burner tube is illustrated in Figure 4 5 Anti vibration loop Burner tube connection fitting Coil terminal Solenoid coil Coil terminal Figure 4 4 Checking solenoid coil resistance Double flared Double flared Torque 75 to 95 in Ibs Figure 4 5 Burner tube assembly 37 Burner and Orifice Assembly The 8 slot burner illustrated in Rain Sore Oye Figure 4
26. drip cup screw then remove the fire hazard drip cup 38 10 11 12 13 Check the orifice Replace if the condition of the orifice assembly is questionable To clean the orifice assembly dip the assembly in denature alcohol and air dry Clean the burner The slots may be cleaned with a scouring pad or wire brush Insert the burner into the burner box then install the 28 32 x 3 8 Phillips retaining screw See Figure 4 7 Install the orifice assembly onto the burner Thread the orifice assembly into the burner by hand then finish tightening using two wrenches JAN WARNING Always use two wrenches to install the orifice assembly into the burner to prevent damaging the orifice adapter assembly or burner threads A damaged orifice adapter for burner creates a potential for gas leaks NS Burner Retaining Screw 318 32 x 3 8 Phillips Screw Torque to 75 to 95 in Ibs 14 15 16 17 18 19 Connect the burner tube to the orifice adapter fitting Thread the fitting by hand then torque fitting within 75 and 95 in Ibs Install the burner box cover and fasten in place the retaining screw Open the valve s at the LP gas container s Open the manual shut off at the gas valve Turn on the refrigerator then select the LP gas mode Leak test LP gas connections Burner box cover Figure 4 7 Installing burner in burner box 29 SECTION 5 ELECTRICAL POWER REQUIREME
27. edges 7 7 Disconnect the water fill line from the 4 To i stall gy r opening and seat reservoir See Figure 10 9 9 4 firmly 8 Remove the retaining screws then pull the reservoir out of the cabinet recess See Figure 10 9 9 and 9 Figure 10 8 Cover for reservoir recess 9 Reverse steps 8 through 1 to install replacement reservoir Press up to disconnect fitting from reservoir Press down to disconnect fitting from reservoir Figure 10 7 Draining reservoir before removal 83 Figure 10 9 Reservoir fittings and retaining screws LED Circuit Board Replacement Tools Hinge cover 2 Phillips Screwdriver 1 Power off the refrigerator 2 Remove the left hinge cover 3 Remove the striker plate 4 Remove water dispenser cover See Figure 10 10 5 Disconnect circuit board from 7 circuit See Figure 10 11 A Retaining screw 6 Remove circuit board from bracket See Figure 10 11 B C and D 7 Reverse steps 6 through 1 to install replacement LED circuit board N Pull the circuit board up past the tab e ML Water dispenser eer Striker plate 2 710 2 Circuit board 77 circuit board plug stand off Push in the tab here to release i Sl circuit board DN Water dispenser circuit board E Figure 10 11 LED circuit board replacement 84 vidi lt
28. exceed one turn Figure 9 12 Water adjustment screw and contact alignment location 4 NOTE Do not turn the water fill adjustment screw if the contact opening is centered in the module hole See Figure 9 12 JAN WARNING Do not turn the water fill adjustment screw more than one turn Turning the screw more than one turn may damage the contacts 6 Turn the adjustment screw clockwise or counterclockwise to align the center of the contact with the module hole See Figure 9 12 Checking Water Valve Solenoid Coil Resistance The solenoid coil resistance should measure between 295 and 360 ohms It can be checked at the water valve solenoid coil as shown in Figure 9 13 or through the ice maker module test points V and N as shown in Figure 9 14 To check resistance through points V and N 1 Remove the ice bin and freezer shelf 2 Detach the ice maker from the evaporator plate Do not pull on the wire harness 3 Rotate the ice maker so the module cover faces toward the freezer door then remove the cover 4 Roll the ice maker so the shut off arm side is down with the module facing away from the freezer Z NOTE The multimeter test probe tips must be at least 1 2 inch long to contact the test points 5 Setthe multimeter to ohmmeter function then insert one probe into point V and the other into point N Checking Mold Heater Resistance The mold heater resistance should measure between 71 to 79 ohms To che
29. obstructed ventilation Inadequate installation in enclosure Heat deflector cap blocked by insulation Heat deflector cap jammed against flue opening Exceeding off level limits Cooling unit blockage VV VV ON WV 39 Figure 7 3 The high temperature limit switch The high temperature limit switch acts as a temperature supervising device This switch is positioned near the boiler to provide the best possible monitoring of temperature switch configuration with a resettable switch Figure 7 3 shows the configuration of the high temperature limit switch at the time of this publication If the boiler temperature begins to rise to an abnormal level the electrical contact in the switch opens to prevent the boiler from overheating The controls are programmed to recognize an open switch When the switch opens the controls Stop AC and LP gas operation gt Displays the oP LI fault code Cooling Unit Testing The cooling System Diagnostic Flowchart on page 57 58 provides sequential steps to troubleshoot the cooling system Before attempting to replace the cooling system 1 Make sure the conditions listed in Cooling System Replacement section are met 2 Power on the refrigerator 3 Set MODE to the AC manual mode or the LP manual mode Set TEMP SET to setting 9 coldest 5 Place digital thermometer probe or thermometer immersed in a container of water on the left freezer shelf against the ev
30. or when the controls are in defrost Defrost Interval Timer This timer counts cooling run time when freezer temperature is below 30 F 1 C This value is stored in non volatile memory The timer will count if freezer fin temperature is open greater than 250 It will not count if the thermistor is shorted less than 1 35 Defrost Interval timer clears when freezer fin temperature is above 30 F 1 C or if the freezer fin thermistor is shorted less than 1 35 kQ When defrost interval timer reaches 780 minutes 13 hours control initiates defrost When in defrost cooling demand is inhibited the freezer and fresh food compartment fans are turned off the freezer heater and the fresh food compartment heater are energized If the freezer fin climbs above 80 F 26 6 C during defrost fault code A1 displays If the fresh food compartment fin climbs above 80 F 26 6 C during defrost fault code A2 displays The A1 and A2 fault codes do not display if the thermistor serving the assigned fin assembly is open or shorted Freezer Heater The freezer heater is de energized when freezer fin temperature climbs above 36 F 2 C or of the thermistor is out of range lt 1 35kQ or gt 250kQ Drip Tray Heater The drip tray heater is energized for 15 minutes after the freezer heater is turned off If manual defrost is initiated the drip tray heater will turn off 51 Fresh Food Compartment Heater Defrost Cycl
31. page 22 Obstructions blocking air flow through the enclosure Check fans operation 1 Clear obstructions 2 Replace reset high temperature limit switch 3 Test cooling system performance on AC and LP gas operation Check fans switch 1 Replace fans 2 Replace reset high temperature limit switch 3 Test cooling system performance on AC and LP gas operation 1 Replace fan thermostatic switch 2 Replace reset high temperature limit switch 3 Test cooling system performance on AC and LP gas operation Refer to Section Cooling System Diagnostic Flowchart Section 7 page 57 23 no AC Code AC Mode Selected AC Voltage Not Available IMPORTANT The no AC fault is recorded in either the AUTO or AC manual mode For the fault to occur in the Auto AC Mode AC voltage has to fall below 85 volts with LP gas operation locked out by the controls This fault is recorded approximately 25 seconds later provided there is a call for cooling For the fault to occur in AC Manual Mode AC voltage input has to fall below 85 volts only when the controls call for cooling The alarm sounds and the fault displays approximately 25 seconds later 706 Check AC voltage input to power board Low or no voltage check refrigerator power cord continuity Voltage 108 to 132 VAC Check for open AC fuse F2 on powe
32. pressures between 10 5 and 11 5 w c provide necessary amount of gas for efficient combustion and heat generation Gas pressure below 10 5 w c Gas pressure below 10 5 w c results in a weak flame with low heat input to the cooling system boiler Low heat input directly affect cooling performance Additionally the weak flame may not be sensed by the controls flame sensing circuit which will cause the controls to shut off the gas valve lockout gas operation and display the no flame fault code no FL Do notcross thread fittings Be careful when connecting or disconnecting components piping or fittings Always use two wrenches to loosen or tighten fittings to prevent damaging components piping or fittings Damaged components piping or fittings create the potential for gas leaks gt Leak test all fittings that have been taken apart or disturbed during servicing repairing or replacing components Gas pressure above 11 5 w c Propane gas pressure above 11 5 w c tends to lift the flame from the burner or blow out the flame which will cause the controls to shut off the gas valve lockout gas operation and display the no flame fault code no FL High LP gas pressure can cause incomplete propane gas combustion which may be indicated by a popping sound at the burner Checking propane gas pressure Use a U shaped manometer or comparable tool to check propane gas pressure When checking propane g
33. rechargeable Donot bend drop weld drill puncture saw or strike the cooling system Wear breathing protection and gloves when handling a leaking cooling system The cooling system contains ammonia hydrogen and sodium chromate E Ammonia can cause severe skin and eye burns Hydrogen is highly flammable and ignites and burns with intense flame Certain chromium compounds such as sodium chromate are carcinogenic LP Gas Safety Donot smoke light fires or create sparks when working on the propane gas system Donotuse an open flame for leak testing any of the propane gas system components Propane gas is highly flammable and explosive Always use two wrenches to loosen or tighten LP gas system fittings to prevent damaging components piping or fittings Damaged components piping or fittings create the potential for gas leaks gt Donotuse leak test solutions containing ammonia or chlorine Ammonia and chlorine corrode and break down brass and copper components SECTION 2 SPECIFICATIONS Internal Capacities Total capacity 17 cu Freezer 5 3 cu ft Fresh food compartment volume 11 7 cu ft Controls
34. the external fan thermistor displays Pressing the MODE switch button displays screen 1 To return display to AUTO AC or LP Mode 1 Press and hold MODE and TEMP switch buttons at the same time 2 Release the switch buttons when the selected operation mode display Turning the refrigerator OFF and back ON also returns the display to the selected operation mode 67 SECTION 9 IcE MAKER Ice Maker The ice maker shown in Figure 9 1 is supplied AC power through a wire harness It is ON when the shut off arm is lowered to the down position and OFF when the shut off arm is raised to the up position Shut off arm Figure 9 1 lce maker Specifications Cycle amp 3 5 to 7 minutes 4 7 fl oz 140 mL lce 3 5 165 24 hr approximate 185 W 0115 VAC 60 Hertz Water fill capacity Electrical rating Amperage A draw Cycle on healer Cycle on heater off Cycle Off P No amperage draw m t 1 5 W 8800 ohms Mold heater nnne 185 W 72 ohms Operation The left freezer temperature determines the efficiency of the ice maker The colder the temperature in the freezer the faster the water in the mold will freeze To harvest the ice the temperature in the freezer needs to be colder than 12 F 11 1 C The the
35. to handle the refrigerator without additional help may cause personal injury and or extensive property damage 15 With the assistance of two able persons lay the refrigerator on the floor doors side down 16 Disconnect and remove the water valve assembly See Section 9 for information on the ice maker water valve and the ice maker water dispenser water valve JAN WARNING Always use two wrenches to loosen or tighten fittings to prevent damaging components piping or fittings Damaged components piping or fittings create the potential for gas leaks 17 Disconnect and remove the gas valve assembly with bracket See Section 4 for information on gas valve connections and fittings 18 Disconnect and remove the spark sense electrode assembly 19 Remove the power board cover then disconnect the AC heaters leads and the high temperature limit switch leads 20 Disconnect and remove fans 21 Disconnect thermistor from condenser fin For steps 22 through 26 refer to Figure 7 6 on page 62 22 Remove hold down bracket 23 Cut the tape along the edges of the cooling unit wrapper 24 Remove condenser bracket screws 4 Remove absorber bracket screws 2 26 Lift absorber coil enough to move wiring and ice maker water line if present to the left side of the cabinet JAN WARNING Do not attempt to pull the cooling unit out of the enclosure without the assistance of an able person Attempting to
36. tube JAN WARNING Do not attempt to install cooling unit out of the enclosure without the assistance of an able person Attempting the installation 10 without additional help may cause personal injury and or extensive property damage 11 Install and connect the fans 2 Carefully lift the cooling system and align the foam plug over the cabinet opening 3 Lower the cooling unit evenly into the cabinet opening SW WM Seat the cooling unit firmly into the cabinet by applying even pressure on each corner of the foam plug Route the ice maker water tube IM models and wiring between the cabinet and absorber coils Install condenser brackets screws Tighten each screw 15 to 20 inch pound Install the absorber coil brackets screws Tighten each screw 15 to 20 inch pound Install and tighten the hold down bracket Tape the foam plug wrapper edges to the cabinet using two inch wide adhesive backed HVAC aluminum tape or poly mask sealing tape Make sure the heat deflector cap is firmly on the flue tube Attach the thermistor to the thermistor fin Connect the AC heater wires to the power board Connect the high temperature limit switch to the power board 15 Install the power board cover 16 Install the spark sense electrode assembly 2 s
37. wire from the 12 volt DC RED wire White heater wire from the 12 volt DC BLACK wire Disconnect the ice maker water fill line amp at the ice maker water valve Disconnect the water dispenser fill line at the water dispenser valve Disconnect the RV water supply line at the water valve Detach the water valve assembly bracket from the back plate Retain screws to install replacement valve Reverse steps 9 through 1 and see Figure 10 5 and Figure 10 6 to install the replacement water valve Figure 10 6 Water valve inlet connection Side View Reservoir Replacement Dispenser Switch Replacement Tools 2 Phillips Screwdriver 1 Shut off the water supply to the valve 2 Place a suitable container under the spigot then operate dispenser to relieve water pressure 3 Power off the refrigerator 4 Disconnect the water line at the valve and place the end in suitable container to catch the draining water See Figure 10 7 and 5 Remove the reservoir compartment cover See Figure 10 8 9 6 Disconnect the dispenser water line at the reservoir See Figure 10 9 Allow water to 555 Cover held in place with hook 7 and loop tabs 7 Toremove pull out evenly on top and drain into the container placed in step 4 ME
38. 12 VDC in 5 Gyt 23336 a E P4 E of pr z MN E al UY zi c 2 Red Yellow Tv 12VDC 3 m m E Figure 3 8 Measuring DC voltage across the Red Yellow and Black wire 15 AC HE Code AC Heaters Failed Open IMPORTANT The AC HE fault is recorded in either the AUTO or Manual AC mode The following may apply AUTO MODE When AC heaters current input falls below 0 5 amperes and AUTO LP has locked out the fault is set and recorded to non volatile memory approximately 25 seconds after it occurs providing there is a call for cooling AC manual mode When AC heater current input falls below 0 5 amperes the fault is set and recorded to non volatile memory approximately 25 seconds it occurs only when the controls call for cooling 206 Connect the heaters to power board Black or Blue wire leads terminals to AC HT LO and AC HT LO 2 Yellow wire leads terminal to HI and AC HT HI 2 Are heaters connected correctly to the power board Check each heater resistance Resistance range is 73 to 81 ohms Resistance 73 to 81 ohms Replace heaters Replace power board 16 AC rE Code AC Relay Stuck Closed IMPORTANT The AC rE fault is recorded in all operating modes any time AC heater current is sensed on when it is supposed to be off The AC rE code displays an
39. 180 W 115 VAC Water valve ice maker IM models 0 210 A Water valve ice maker IMD models 0 145 A LP gas propane Operating pressure 10 5 to 11 5 in w c Btu hr 8 slot burner LP22 orifice 3200 Btu hr 11 in w c Flame sensing Electronic through spark sense electrode Electrode tip to burner air 1 8 to 3 16 in Calculated Actual 6 SECTION 3 Problem Blank display Refrigerator does not turn ON Poor cooling on AUTO AC or AC manual mode Poor cooling on AUTO LP or manual LP mode Poor cooling on AUTO AC manual AC AUTO LP or manual LP modes Burner failed to ignite reignite L1 oP fault High temperature limit switch open Probable Cause 12 volt DC not connected to power board Loose broken connector Power board F1 fuse open blown One AC heater failed open AC voltage less than 108 volt Insufficient ventilation Gas pressure less than 10 5 In w c Dirty burner Flue clogged or dirty Heat deflector cap blocking flue exhaust Insufficient ventilation Fan s disconnected malfunction Cooling system
40. 54 mx m Always use two wrenches to loosen or tighten fittings to prevent damaging components piping or fittings Damaged components piping or fittings create the potential for gas leaks 2 61 p Figure 7 7 Mastic application on evaporators tubes surface External Fan Thermistor Screws condenser bracket Hold down bracket Screw absorber bracket Power board cover Water Valve EJ Screw condenser bracket Cut tape along the 4 edges h m Screw absorber bracket 7 amp pe n pr IL p a AILEE EA TIT SS _ 11 Figure 7 6 Cooling unit component location 62 Gas valve Drip cup Install the gas valve and burner assembly 18 Install the burner box cover 19 Install the drip cup 20 Install the ice maker water valve IM models then reconnect wiring and tubing JAN WARNING Do not attempt to upright the refrigerator without the assistance of an able person Up righting without additional help may cause personal injury and or extensive property damage 21 Upright the refrigerator 22 Install the freezers fin assembly then connect the thermistor defrost heater and thermostatic switch 23 Install the freezer fan shroud 24 Install freezer shelves 25 Connect the fresh food compartment fin d
41. 6 is fitted an LP 22 cap 8 32 X 3 8 Phillips Screw style orifice The burner is retained in the burner box by a 8 32 x 1 Phillips pan head screw LP22 Stamped on end of Orifice Figure 4 6 Burner and orifice assembly Burner and Orifice Cleaning Procedure JAN WARNING warnine Jf Burn hazard Allow the burner box and orifice and burner assembly to cool before Always use two wrenches to disconnect attempting removal and disassembly the burner tube from the orifice adapter to prevent damaging the tube or orifice adapter fitting A damaged burner tube or Tools orifice adapter fitting creates a potential 2 Medium Phillips tip screw driver for gas leaks 1 4 Nutdriver 1 2 Open end wrench 6 Remove the burner box cover screw then remove the burner box cover T Disconnect the burner tube at the orifice Small wire brush adapter 5 8 Open end wrench Scouring pad 8 Remove the orifice assembly from the burner 9 Remove the burner retaining screw then pull the burner out of the burner box Denatured alcohol Leak test solution 1 Power off the refrigerator 2 Shut off the gas valve s at the LP gas JAN WARNING container s 3 Turn the manual shutoff valve to the OFF Do not insert any type of cleaning tool position wire or drill bit through the orifice 4 Move the drain hose out of the way Inserting of any type of cleaning tool wire or drilling damages the orifice and creates Remove the
42. NORC OLD SERVICE MANUAL zb 2117 Series Gas Electric Refrigerators 4 5 i j B NORCOLD INC All rights reserved Publication No 630614B 06 19 07 SEcrTION 1 About this Manual This service manual provides maintenance diagnostic and repair information for NORCOLD model 2117 XX gas absorption refrigerators The information illustrations and specifications contained in this publication are based on the latest product information available at the time of publication NORCOLDe reserves the right to make changes at any time without notice Intended Use This service manual is reference tool designed for technicians who are knowledgeable in the theory and operation of gas electric absorption refrigerators liquefied petroleum LP gas propane systems and AC DC electrical systems as installed in a variety of recreational vehicles RV How this Service Manual is Organized Section 1 Introduction This section covers refrigerator model and cooling system identification certification installation reference replacement part statement technical support contact safety awareness Section 2 Specifications Provides specifications applicable to 2117 XX series refrigerators Section 3 Troubleshooting Flowcharts This section covers troubleshooti
43. NTS AND COMPONENTS DC Power Requirement Refrigerator controls require 12 volt DC to operate Minimum control voltage input is 10 5 volts maximum is 15 4 volts Polarity The correct polarity of connections to the power board connections is a 12volt DC positive has to be connected to power board terminal 12VDC See Figure 5 1 b 12volt DC negative has to be connected to power board terminal GND See Figure 5 1 Power Board DC Fuse The power board is protected by a 5 amp standard automotive blade style fuse Fuse location is shown in Figure 5 2 CAUTION 12VDC supply connections are for low je direct current only DO NOT connect 120 or rant continu basse t 120 ou 240 V cc 12 volt DC 12 volt DC Figure 5 1 DC power connections polarity Fresh Food Compartment Light Door operated switches turn the fresh food compartment light ON and OFF Figure 5 3 illustrates the location of the switch operated by the right door Light bulb replacement To replace the light bulb see Figure 5 4 page 41 and 1 Turn off the refrigerator 2 Remove the light cover Remove the existing light bulb 4 Install the new light bulb P N 61689122 Make sure the light bulb is fully seated and captured in the light fixture clips 5 Reinstall the light cover 6 Turn on the refrigerator
44. anger d lectrucution de courts circuits et parfois d incendie ATTENTION les raccords courant 12 V c c sont pr vus exclusivement pour le courant continu basse tension NE PAS le brancher au courant 120 ou 240 V c c GND AC Power 4 Figure 6 4 lt 12 VDC V a2 voc n Power board cover and connections in place 38 g le 4 ag 6 x a vol 6O OLGLALLL 60 0LOLALLL 2006 zidvzv1H s qa id 96 6 0 o Reece n Figure 6 5 Power board ME 1 seo B o P connectors 0 1 pl o
45. aporator plate 6 Power off the ice maker 7 Set controls to Diagnostics a Navigate to screen C fin temperature b Record time and fin temperature 8 Allow the refrigerator to operate for eight hours with all doors fully closed Replace cooling unit when all of these are met 1 No temperature change in Diagnostics mode screen C 2 High temperature limit switch is open and fault L1 oP displays 3 The leveling chamber is extremely hot and absorber coils are at ambient temperature approximately Cooling System Replacement The cooling system has to be tested for proper operation Test results need to show that both the freezer and the fresh food cabinet do not cool in AUTO mode AC manual mode or in LP manual mode Before attempting to test the cooling unit make sure The refrigerator is leveled DC voltage input to power board is 10 5 15 4 volts AC voltage input to power board is 108 132 volts All three AC heaters draw amperage Gas pressure is 10 5 to 11 5 in w c The burner and the orifice are clean Flame appearance normal The flue is clean The flue baffle installed Ventilation is correct Intake vent is clear Exhaust vent is clear Both external fans are operational Door gaskets are in good condition Doors are properly aligned Thermistor on the proper fin VV VV VV VV VV VV VV VV V High temperature limit switch is not open ON Cooling System Diagnostic Flowchart
46. artment 0 500 A Gas valve 0 146 A Fans 2 0 950 A per fan Valve water dispenser oo eun 0 830 A Dispenser water line heater 0 167 A Ice maker water line heater IM Models 0 167 A Ice maker water line heater IMD Models 1 25 A Dispenser water valve heater 0 458 A AC components AC 3 Wattage per heater 187 W 120 VAC Heater resistance ambient temperature per heater 770 AUTO and AC manual mode operation voltage requirement 108 to 132 VAC Fuse power board 8A 14in x 1 14 in AGC style fast acting Ice maker IM models only
47. as pressure at least 50 percent of the RV btu load need to be on This ensures that the LP gas regulator is capable of delivering and maintaining gas pressure throughout the system including the refrigerator 33 Burner tube Bracket Gas LP 22 orifice 8 slot burner Figure 4 1 2117 LP gas system components Gas Valve The gas valve is illustrated in Figure 4 2 Specifications Solenoid coil amp draw 0 146 A 12 VDC PRE PIRE RR 81 5 Maximum pressure 1 2 PSI Operation In AUTO LP gas mode or LP gas mode operation the controls energize the solenoid coil to open the gas valve Spring pressure closes the valve when the controls stop the flow of current to the solenoid coil 4 L LP Gas Out d EE SW Pressure Test Port Manual Shutoff Valve Gas Valve gen LP Gas In Manual Shutoff Valve ON OFF Positions Figure 4 2 Gas valve 34 Serviceability The gas valve has no replaceable parts The valve and its 12 volt DC solenoid coil terminals should be maintained dry and clean Gas Valve Replacement Procedure Tools 2 Stubby Phillips Screwdriver 9 5 16 Open end wrench 8 Open end wrench Leak test solution To replace the gas valve 2 2 3 4 Turn off the refrigerator Disconnect DC power at the power board Unplug AC cord at th
48. ated components failure related to cooling performance dirty flue affect flame performance flue cap blocked or jammed over flue opening exceeding maximum level limits effect on cooling system performance inadequate repairs and unauthorized modifications cooling system monitoring system high temperature monitoring system cooling system replacement cooling system testing diagnostic flow chart and cooling unit replacement procedure Section 8 Diagnostics This section covers accessing and navigating through the built in diagnostics screens identification and segments description Section 9 Ice Maker This section covers ice maker specifications operational description troubleshooting chart replacement procedure ice maker cycle testing water valve operation water valve replacement water fill line heater water fill line thermostatic switch information and ice maker module troubleshooting procedures Section 10 Water Dispenser This section covers water dispenser operation water valve replacement reservoir replacement dispenser switch replacement and LED circuit board replacement Section 11 Wiring Schematics amp Pictorials This section provides wiring schematics and pictorials for models 2117 XX series refrigerator SEcTION 1 INTRODUCTION General Information Refrigerator Identification The 2117 and 2117D series gas absorption refrigerator cools on 120 volt AC power or propane gas The refriger
49. ators electronic controls operate on 12 volt DC Model Letter Codes The letter after the model number identify optional factory installed components For example a 2117DSS has a water dispenser and stainless steel panel wrapped style doors Information Label The location of the information label is illustrated in Figure 1 1 page 4 It provides the following information Serial number Model number LP gas propane pressure Btu hr AC voltage and amperage DC voltage and amperage Design certification VV ON ON ON ON WV Vent kit requirement Cooling System Serial Number All genuine Norcold cooling systems are serialized Serial number labels location are illustrated in Figure 1 2 page 4 Certification Information The 2117 XX series gas electric absorption refrigerators are certified under ANS Z21 19B standards for installation in mobile homes or recreational vehicles and under Canadian Standards Association CAN CGA 1 4 M94 Electrical components comply with standards Replacement Parts It is advisable to use only authorized NORCOLDS S replacement parts Generic parts do not meet NORCOLDS specifications for safety reliability and performance The use of unauthorized aftermarket or generic replacement parts voids the refrigerator s limited warranty coverage Technical Assistance Technical assistance is available to service centers through NORCOLD Customer Service Center Telep
50. button turns the refrigerator on and off Holding the ON OFF switch button pressed in for approximately one second turns off the refrigerator Operation mode AUTO AC manual or LP gas can be selected by pressing and holding the MODE switch button Pressing the button momentarily displays the active operation mode for 10 seconds LP mode The LCD module displays actual information See Figure 6 9 for details One of nine temperature settings 1 cold through 9 coldest can be selected by pressing and holding the TEMP SET switch button Pressing the button momentarily displays the setting for 10 seconds Control panel troubleshooting instructions may be found on Section 3 of this manual i setting range COL 1 a AUTO mode AC mode Information screen Figure 6 9 LCD module icons and information screen 49 Figure 6 10 Control panel and related components Control Panel Replacement Tools 2 Phillips Screwdriver To replace the control panel see Figure 6 10 5 Disconnect the wire harness from 4 the and control panel circuit board 1 Power OFF the refrigerator 6 Connect the wire harness to the replacement control panel 3 7 Reverse steps 5 through 1 to complete installation of replacement control panel 2 Remove the right side hinge cover 3 Remove
51. ck the mold heater resistance through test points L and H 1 Remove the ice bin and freezer shelf 2 Detach the ice maker from the evaporator plate Do not to pull on the wire harness 3 Rotate the ice maker so the module cover faces toward the freezer door then remove the cover 4 Lower the shut off arm to the ON position f DISCONNECT POWER TO REMOVE MODULE 185W 115V 60 HZ IM 5 106 626649 Figure 9 14 Measuring solenoid coil resistance through wire harness 75 Z NOTE The multimeter test probe tips must be at least 1 2 inch long to contact the test points 5 Set the multimeter to ohmmeter function then insert one probe into point L and the other into point H as Figure 9 15 shows Checking Voltage to the Stepper Motor Connection AC voltage at the stepper motor connection can be checked through test points N and M 1 Remove the ice bin and freezer shelf 2 Detach the ice maker from the evaporator plate Do not to pull on the wire harness 3 Rotate the ice maker so the module cover faces toward the freezer door then remove the cover 4 Lower the shut off arm to the ON position 5 Make sure AC power is available to the ice maker Af NOTE The multimeter test probe tips must be at least 1 2 inch long to contact the test points 6 Set the multimeter to AC voltage function then insert one probe into point N and the other int
52. crew A jammed bent or broken spring pin must be replaced to keep the flapper heter operational To replace a spring pin refer to Figure 5 11 and proceed 1 Open the left fresh food compartment door 2 Pull out the existing spring pin from the flange 3 Push and seat the replacement spring pin into the contact flange 4 Check spring pin operation a Push the pin all the way until seated then release b Spring pressure should extend the pin fully when the contact is released Spring pins and contact point Figure 5 10 illustrates the spring pins along with the respective cabinet contact points AC Power Requirements AUTO AC or AC mode operation requires 108 to Ground lug 132 volts AC Voltage is to be supplied through a 2 pole 3 wire 20 amp grounding type receptacle Figure 5 12 Power cord AC Fuse The AC fuse shown on Figure 5 13 is an 8 amp fast acting 1 4 x 1 1 4 AGC fuse 2 p AC heaters d COUO TT akii 7050 AC fuse AGC 8 amp 3003 Figure 5 13 AC fuse location 120 Volt AC Heaters Three 120 volt AC heaters generate the heat load required for AUTO AC and AC manual mode operation Each heater is rated for 187 watts
53. d is recorded in non volatile memory approximately 25 seconds after the fault occurs 6 AL Power board AC heater relay contacts stuck in the closed position AC current to heaters is being sensed by the controls Replace power board 17 dc LO Fault Code DC Voltage Low IMPORTANT The dc LO fault is recorded in all operating modes any time DC voltage input falls below 10 5 volts DC The dc LO code displays and is recorded in non volatile memory approximately 25 seconds after the fault occurs 206 1 Check diagnostic fault history Screen 4 for low DC recorded history DC voltage less than 10 5 volts 2 Clear history using diagnostic Screen 6 3 Recheck diagnostic Screen 4 for low DC recorded history Check RV DC power output to refrigerator 1 Connect a charged 12 volt bat tery If the fault code does not display check the DC circuit feeding power to the refrigerator Battery output 10 5 to 15 4 volts 2 If the fault code displays with the charged battery connected replace the power board Correct RV DC output to refrigerator 18 dr Code Door sensed ajar or open for more than 2 minutes IMPORTANT The dr fault is recorded in all operating modes any time one or both fresh food compartment door has been sensed open for two minutes The controls turn the light of
54. e RV outlet Shut off the gas valve s at the LP gas container s Disconnect the 12 volt DC power supply wires at the gas valve solenoid coil JN WARNING Always use two wrenches to loosen or tighten fittings to prevent damaging components piping or fittings Damaged components piping or fittings create the potential for gas leaks 4 NOTE For steps 6 through 12 refer to Figure 4 3 page 36 po cw 10 Disconnect the LP gas supply line Disconnect the burner tube Remove two 8 32 X 3 8 Phillips screws that hold the existing gas valve to the bracket then remove the valve See Figure 4 3 page 36 Install the new gas valve on the bracket and fasten it to the bracket using the two 8 32 x 3 8 Phillips screws removed in step 8 Reverse steps 7 through 5 to connect the LP gas supply line and the burner tube to the new valve JAN WARNING Do not wet or spray leak test solution on or near electrical connections or electronic components All water leak test solution conducts electricity and may create electric shock hazard shorts and or damage circuits JAN WARNING Do not use leak test solutions that contain ammonia or chlorine Ammonia and chlorine corrode brass and cooper components 11 12 13 14 13 16 35 Open the gas valve s at the LP gas container s Leak test the LP gas supply line fitting Plug the AC cord into the RV outlet Connect 12 VDC power to the power
55. e Termination This heater is de energized when fresh A defrost cycle ends automatically if the cycle is not food fin temperature climbs above 35 F completed within 60 minutes or if the freezer fin and 1 6 C or if the fresh food compartment the fresh food compartment fin thermistors are both fin thermistor is out of range 1 6kO or out of range gt 295 0 The Table below provides cut in and cut out Cooling demand is allowed to resume fresh food temperatures for the corresponding when both the freezer and the fresh temperatures display indications when the food compartment fin heaters are off refrigerator is operating in the backup mode Table Fresh Food Compartment Air Temperature Cut in and Cut Out Temperatures and Corresponding Temperature Display Indications Temperature Setting Fresh Food Compartment Air Fresh Food Compartment Air BOS Mode Duty Cycle Cut Out F Cut In F ff NOTE Backup operation system BOS duty cycle is only active if the fresh food compartment air thermistor is open or shorted The control panel displays the C1 fault code 52 Manual Defrost Function Diagnostic Mode A To initiate a manual defrost cycle 1 Setthe controls to Diagnostics by pressing the MODE and TEMP switch buttons at the same time 2 Press the MODE button until screen A displays dF will display soon after 3 Press and hold the TEMP switch button until dF changes to GO 4 Release the TEMP switch butt
56. efrost heater 26 Attach the fresh food compartment fin to the fin assembly 27 Install the fresh food compartment fin assembly 28 Install the fresh food compartment fin air temperature thermistor 29 Install the fresh food compartment fan assembly Checking for gas leaks after installation After installing the refrigerator in the enclosure and connecting RV propane supply line to the gas valve 1 Connect 12 volt DC to the power board 2 Plug the AC power cords to the RV outlets 3 Open the LP gas container gas valve 63 oo Mastic bead apply all the way around the vertical surface Figure 7 8 Mastic application on cabinet opening 4 Leak check the gas valve connection No leaks allowed 5 Power on refrigerator then select LP manual mode operation 6 Leak check all of the refrigerator gas connections No leaks allowed T Place refrigerator in service 8 DiAGNOSTICS Diagnostic Mode Setting Display to Diagnostics The diagnostics mode is a tool designed to assist in verifying temperature inputs outputs and to retrieve recorded fault stored by the controls The diagnostic information is 1 Press and hold down the MODE and displayed in the center of the LCD module switch TEMP switch buttons at the same Each screen displayed has a particular time function For example screen C displays fin temperature and screens four 4 and five 5 2 Release the switch buttons
57. f after the two minute period The dr code displays and is recorded in non volatile memory approximately 25 seconds after the fault occurs 0 Fresh food compartment doors latch ing when closed Adjust striker plated if needed Check handle latch mechanism operation Latches working correctly Fix or replace handle latch mechanism Align door s See Figure 3 9 page 20 Fresh food compartment doors aligned Check door alignment Go to 20 19 Replace door 19 Door damaged or warped 1 Recheck fresh food compart ment doors alignment Align doors as needed 2 Check worn hinge bushing closed 3 Check for bent bottom hinges Replace as needed Adjust door hinges until the left door and the right door rail are leveled even Switches turn off light when held Replace switch M GSC 299 L o o o o IN Adjust so the doors panel retainers are evenly spaced vertically Figure 3 9 Fresh food compartment door adjustment criteria 20 FL Code Flame Present with Gas Off IMPORTANT The FL fault is recorded in all operating modes any time a flame is sensed at the burner when is not supposed to be lit The FL fault displays and is recorded in non volatile
58. fill line heater 5 Disconnect the BROWN wire from the JN WARNING heater WHITE wire and unwrap the heater wire from the valve body 6 Disconnect remaining switch BROWN wire Unplug the refrigerator AC power cord from the 12 volt DC wire from the RV receptacle when working on the water valve Failure to unplug the AC s 42 wire amie AA VONDE m power cord may expose the technician 8 Disconnect the RV water supply line at the and or other personnel to an electrical shock hazard 9 Disconnect the ice maker water fill line at the water valve 10 Detach the water valve assembly bracket 1 Unplug the ice maker AC power cord from from the back plate by removing the two RV receptacle screws along with their spacers Retain 2 Shut off the water supply to the water valve screws and spacers to install replacement 3 Disconnect the BROWN wire and the WHITE wire at the solenoid coil 11 Reverse steps 10 through 1 and see Figure 9 6 and Figure 9 7 page 72 to install the 71 replacement water valve Cycling the Ice Maker Manually Cycling the ice maker manually verifies the motor works the mold heater turns on and off the shut off arm travels to the OFF position the water valve opens for seven seconds and the shut off arm drops to the ON position Figure 9 8 shows the jumper wire needed for jumpering test points L and H Before starting shut off the water supply to the water valve
59. he temperature Place the glass of water with the thermometer in the left freezer against evaporator plate After three 3 hour compare the temperature of the water against the temperature taken in step 4 Expected temperatures after a 12 hour period 5 to 10 F on the rear middle of left freezer plate 18 to 25 F fin temperature range diagnostic Screen C Results based on o00 0 9 Refrigerator empty All doors closed 12 volt DC input to power board 108 to 132 volt AC to power board Both fans operational 90 F ambient temperature Good ventilation Cooling System Removal IMPORTANT Cooling system replacement requires removing the refrigerator from the enclosure It is not possible to anticipate all of the RV manufacturers enclosure design or refrigerator installations practices Always double check for additional screws and brackets before attempting to remove the refrigerator from the enclosure as certain RV manufacturers may install additional brackets or screws to secure the top and the sides of the refrigerator to the enclosure Tools 1 4 nut driver 5 16 nut driver 3 16 Hex wrench long or T handle style 7 16 open end wrench 9 16 open end wrench 5 8 open end wrench 2 Phillips screwdriver 1 Disconnect all AC and DC power sources 2 Remove upper and lower right side freezer shelves 3 Remove the freezer fan shroud See Figure 7 4 4 Disco
60. hone 1 800 444 7210 B Fax 1 937 497 3183 5 World Wide Web www norcold com cda gt IMPORTANT lt www norcold com cda subscription are available only to service centers The following information will be required to process technical help requests if the product is in warranty and has not been registered with NORCOLDS Customer last and first name Address City State Zip Code Telephone number E mail address optional ON ON Refrigerator model number and serial number RV Make Model and Year Complete RV VIN number Floor plan number description ON ON RV date of purchase BURNER bruleur _ Amps XX Watts 925167 A CS CERTIFIED Q m SS aT o 17 REFRIGERATORS REFRIGERATORS SN XXXXXXX Ar R XXXXX NORCOLD Made in USA 5 an 5 Figure 1 1 Information label location Figure 1 2 Cooling system serial number label location Safety Awareness It is not possible to anticipate all of the conceivable ways or conditions under which CAUTION the refrigerator may be serviced or to provide warnings and cautions as to all of the possible The CAUTION symbol and text identify
61. ker Figure 9 21 Ice maker and water dispenser modular valve Side view 79 Brown White 1 4 compression fitting Water Inlet Figure 9 22 Ice maker and water dispenser modular valve Back View Section 10 WatTeER DISPENSER The water dispenser is an optional system installed at the factory The main components are the divider mounted water dispenser Figure 10 1 the reservoir Figure 10 2 and the water valve Figure 10 3 4 Water dispenser Figure 10 1 Water dispenser external view d 4 A 1 KO SS il Reservoir 27 fl oz capacity Cover 6 attached with hook and loop tape Figure 10 2 Reservoir in cabinet recess and cover 4 eee ae a Figure 10 3 12 volt DC solenoid operated water valve 80 Water Dispenser Operation The water dispenser works Pressing a small container against the spring loaded paddle drives in the plunger which closes the switch The switch sends power to the water valve solenoid coil The electromagnetic force created by the coil opens the water valve allowing water flow into the reservoir Reservoir I 1 Li 1 Wate
62. low 1 Fresh food compartment 1 Thermistor disconnected ocean flame LP gas light is off and door is closed 2 Flame present with gas mafunction valve off 4 3 Thermistor sensing temperature volts es 5 Flame sensing Sr fault Pressing the MODE switch button displays screen 8 Pressing the MODE amp switch button displays screen 6 Screen 8 Power Board Outputs Displays live power board outputs through illuminated Screen 6 Erase Stored Fault History segments The assigned segments and information are Screen 6 is used to erase stored fault history illustrated below in screens 3 4 and 5 To erase stored fault history 1 AC relay is closed 3 DC power to divider heater qu 4 M t DC power to gas valve i coil Neve power to ignition circuit 1 The displays shows the letters ER 2 Press and hold the TEMP switch button until the letters CL appears on the screen 3 Wait five seconds 5 DC to light circuit 4 Press and hold the TEMP switch button until the letters ER appears on the screen Pressing the MODE switch button Pressing the MODE switch button displays screen 9 displays screen 7 66 Screen 9 DC Voltage Input Displays DC voltage input to power board through illuminated segments The assigned segments and information are illustrated below 1 Over 15 4 volts DC ap 410 5 to 15 4 volts DC
63. memory approximately 25 seconds after it occurs lt gt 5 Flame on Flame sense circuit malfunction Replace power board Gas valve leaking internally or stuck open Replace gas valve 21 L1 oP Code Open High Temperature Limit Switch IMPORTANT The L1 oP indicates the high temperature limit switch is open or disconnected The switch is located on the cooling system canister It is designed to open when the cooling system boiler temperature exceeds 378 degrees Fahrenheit 192 2 degrees Celsius On units with non resettable switch replace the switch with a resettable switch On units with resettable switches reset the switch In both cases troubleshoot for theL 1 oP fault cause em i e de 0 gt IMPORTANT lt Make sure refrigerator is operating within level requirements 1 Replace reset the high temperature limit switch Refrigerator cooling before L1 Op fault displayed 2 Test cooling system performance on AC and LP gas operation Burner overheated Blue Heat deflector cap and or burner box blocked with insulation 1 Clear insulation 2 Replace reset the high temperature limit switch 3 Set controls to LP operation and test cooling system performance Go to 23 22 a From
64. move module cover down 7 Detach thermal fuse 8 Unplug harness plug from module 9 Remove the shut off arm See Figure 9 20 10 Reverse procedure to install ice maker Figure 9 18 Module cover To unplug wire harness Press locking tab 4 in then pull back on harness 5 Open spring clip to detac the thermal fuse Figure 9 17 lce maker fasteners and back plate Figure 9 19 Harness plug and thermal fuse 78 Figure 9 21 shows the back view of modular water valve assembly on 2117 IMWD ice maker and water dispenser The label on the side of the assembly lists the assembly part number specifications and identifies the water dispenser solenoid coil colored Blue 12 VDC and the ice maker solenoid coil colored Red 120 VAC Two 8 32 x 1 hex head screws hold the extension bracket to the back panel The assembly is held on the extension bracket with two 8 32 x 1 hex head screws The valve assembly is supplied water through a 1 4 compression style fitting which feeds both the water dispenser valve and the ice maker water valve Ice Maker Water Valve Figure 9 21 and Figure 9 22 illustrate and a provide information for the ice maker solenoid operated water valve Water Dispenser Valve For information on the water dispenser water valve refer to Section 10 AC power connections Figure 9 20 Shut off arm removal and installation To water dispenser reservoir To ice ma
65. nds when fully seated in the guide blocks Flapper assembly Top hinge Bottom hinge TOP Hinge screw Hinge screw BOTTOM Up to remove Hinge fits over stationary support Connector Hinge fits over stationary support Down to install Figure 5 9 Flapper assembly hinges and wiring connector Contact point on cabinet J N CAUTION Flange Do not attempt to remove the spring pin flange from door The flange is not a replaceable part Attempting to remove the Left door hinge flange will disconnect the wires from the pins housing resulting in door replacement Spring pins Figure 5 10 Spring pins and cabinet contacts lt AN waRNiNG s P litoremov gt Do not remove the grounding prong from the refrigerator AC power cord D M gt Do not use a two prong adapter to qc cocci connect the AC cord to an AC outlet Push until the end of casing is flush with flange opening Power Cord The AC power cord is shown in Figure 5 12 The Figure 5 11 Spring pin removal and installation cord is attached to the refrigerator back plate with a 28 32 x 1 hex head screw cord ground wire lug is independently attached to the Spring pin replacement back plate with a 8 32 x 1 hex head s
66. ness connector Blue i Jumper into P1 9 and P2 3 P1 Power board connector Location of wire harness Red Yellow wire and Blue wire in P1 Optical Control Display wire harness plug and Power Board P1 and P2 Connectors Figure 3 7 5 M ew Jef o SEIT T Ely dd ip e s TT 308 E d ES d SD m gt 3x C 14 m H X 19 b 1 i Ta es NH m 9 BSH 4 Biker 8 E 5 T 8281 5 a E el T0514 0544 go amp 05 43 E 5 aPC E
67. ng information and flowcharts for faults displayed through the optical control display assembly screen Section 4 LP Gas System This section covers LP gas system pressure requirements the effects of low or high LP gas pressure gas valve information and specifications gas valve serviceability gas valve replacement procedures gas valve solenoid coil resistance check burner tube information burner and orifice assembly information burner and orifice cleaning procedure Section 5 Electrical Components This section covers DC power requirement polarity of connections power board DC fuse light assembly light bulb replacement thermistor wire assembly thermistor assembly replacement divider heater fans 2 fans thermostatic switch fan replacement procedure flapper assembly flapper assembly replacement spring pin replacements AC power requirements AC power cords AC fuse and AC heaters Section 6 Electronic Controls This section covers the power board control panel assembly replacement of boards auto and manual defrost information and accessing defrost information through the control panel Section 7 Cooling System This section covers cooling system refrigerant leveled operation requirement poor cooling issues cooling issues related to cooling system performance voltage and component effects on cooling performance LP gas pressure and components issues related to cooling performance electrical oper
68. nnect the freezer defrost heater from circuit See Figure 7 5 5 Disconnect the freezer thermostatic switch from circuit See Figure 7 5 6 Disconnect the freezer fin thermistor See Figure 7 5 Water dispenser units a Remove the paddle assembly b Remove the water dispenser cover c Disconnect the spigot d Disconnect the wiring and remove the bracket containing the LED board spigot and switch as an assembly 7 Remove all fresh food compartment shelves 8 Remove fresh food compartment fan shroud 59 Figure 7 4 Freezer fan should Heater connection Thermostatic switch Screws 8 Figure 7 5 Freezer fin assembly 9 Remove air temperature thermistor from shroud 10 Remove the fresh food compartment air circulation fan assembly 11 Unplug fan assembly from circuit 12 Remove 8 hex head screws from fresh food compartment fin assembly 13 Disconnect the defrost heater from circuit Connector is on left side of fin assembly 14 Remove fin assembly A N CAUTION Protect the front of the refrigerator Cover the floor with a moving blanket pad or similar soft material to protect the floor as well as the refrigerator doors panels and optical display when the refrigerator is laid down on the floor JAN WARNING Do not handle the refrigerator without the assistance of an able person Attempting
69. ntinuity See Figure 3 7 page 15 Continuity through the Wire Harness Blue wire YES If possible make repairs If repairs are not suc NO cessful or cannot be made call Norcold Technical Continuity through the Wire Harness Support 1 800 444 7210 for assistance Red Yellow wire YES 1 Plug the wire harness back into the Power Board P1 connector 2 Connect volt meter probe to the Red Voltage present after releasing Switch button Yellow and the probe to the Black wire See Figure 3 8 page 15 3 Press and release the OFF ON switch button to turn ON refrigerator YES 12 Replace Power Board Controls okay YES Refrigerator ON Replace the Optical Control Display Assembly Installed in power board AAR Removed from power board Figure 3 1 Checking continuity of power board F1 fuse 12 Te 10 5 to 15 4 VDC Sv Ne ay tet Ja 8 28 R43 T ui b R2 F1 Fuse 5 Amp 538 20A0 1904 700514 5A 120VAC 2 02 0 0 002 42VDC Figure 3 2 Measuring DC voltage across P1 1 and P1 6 with wire harness disconnected
70. o fully plugged in and locked the P1 Power Board connector into P1 Power Board P1 connector 2 Check for voltage across the Red Blue Voltage output wire and Green terminals as shown in Loose or broken wire termi Figure 3 3 page 13 nals Repair as needed then recheck for voltage Detach the Optical Control Assembly from the divider and leave it connected to Loose or damaged wire terminals at the wire harness harness or circuit board connector Repair as needed then recheck for voltage oltage acros Red Blue wire amp Black wire terminals See Figure 3 4 page 14 1 Connect the volt meter probe to the Blue wire and the probe to the Black wire See Figure 3 5 page 14 2 Press and hold the OFF ON switch button Voltage present Harness connected incorrectly to the Optical Control Display circuit board Loose or damaged terminals at wire har ness connector or circuit board connector Repair as needed then recheck for voltage Voltage present with OFF ON switch button held pressed Powers ON when the switch button is released YES Go to page 12 YES Replace Optical Control Display Able to display and change assembly operation MODE YES Controls okay I I 11 From page 11 1 Unplug the Wire Harness at the P1 Power Board connector 2 Check the Wire Harness Blue wire and Red Yellow for co
71. o point M as Figure 9 16 shows e 108 to 132 VAC normal voltage to motor e voltage check voltage at AC outlet and continuity of ice maker power cord e 108 to 132 volts AC through AC power cord Check ice maker wire harness BLACK wire and WHITE wire for continuity DISCONNECT POWER TO REMOVE MODULE 1851 151 600 IM 106 626649 011303 2 Figure 9 15 Measuring mold heater resistance DISCONNECT PONER TO RENOVE MODULE 1851 1151 60 WL M 106 626649 011303 W2 Figure 9 16 Measuring voltage at stepper motor Ice Maker Troubleshooting Chart Symptom Probable Cause No AC power available Restore AC power Not cycling and no No water available Restore water pressure ice in mold Water valve strained clogged Clean water valve strainer Water valve failed to open Check solenoid coil connections and resistance Shut off arm in OFF position Lower to ON position Not cycling ice in No AC power available Restore AC power mold Leaky water valve Replace water valve Jammed ice cubes Check for bent shut off arm Mold heater open no resistance 5 Replace ice maker Module thermostat faulty Replace ice maker Excessive mineral deposits Clean mineral deposits buildup in buildup in mold mold Excessive frost Air entering freezer Check freezer door gasket wire on and around ice compartment harness Permagum
72. om the evaporator plate Do not to pull on the wire harness Rotate the ice maker so the module cover faces toward the freezer door then remove the cover Insert one end of the jumper in test point V and the other in test point L See Figure 9 11 page 74 When jumpered the solenoid coil should make a click sound followed by a continous buzzing sound as long as the jumper remains in test points V and L 73 DISCONNECT PONER TO REMOVE MODULE 185 115 607 IM 8 106 626649 OUf303 2 Figure 9 11 Jumpering test points V and L Water Fill Adjustment The water fill adjustment is set at the factory The production of thin ice cubes indicate not enough water in the mold The ejector rocking back and forth may indicate fused ice cubes due to too much water in the mold Both of these conditions may require adjusting the water fill to increase or decrease the time the water valve remains open To adjust the water fill capacity screw 1 Remove the ice bin and freezer shelf 2 Detach the ice maker from the evaporator plate Do not to pull on the wire harness Rotate the ice maker so the module cover faces toward the freezer door then remove the cover 4 Rotate the ice maker so the shut off arm is facing towards the freezer door 5 Locate the contact opening shown in Figure 9 12 74 Normal setting internal contact opening centered in module hole Water fill adjustment screw Do not
73. on The shut off arm begins to move up to the OFF position as the ejector fingers pass through the 9 o clock position The opening of the water valve takes place as the ejector fingers pass through the 12 o clock position The valve closes approximately seven seconds later The shut off arm drops to the ON position after the water valves is de energized The ejector parks at the 2 o clock position The cycle continues when the thermostat senses 17 to 14 degrees Fahrenheit 8 3 to 10 degrees Celsius During this test the motor should run smoothly throughout the cycle until the ejector is parked If the motor does not run stops or makes grinding noises replace ice maker see Ice Maker Replacement Procedure on page 78 DISCONNECT PONER TO REMOVE MODULE 185 115 607 IM 106 626649 013 W2 Of Wire 222 EF Figure 9 9 Cycling the ice maker manually Shut off arm On position alve OFF AJ el eo 4 z o gt gt 5 Water V Figure 9 10 Ice maker 7 minute cycle events Testing Water Valve Operation Water valve operation can be tested by jumpering points V and L Before this test is performed make sure AC power is available shut off the water supply to the water valve and make an insulated wire jumper like the one shown in Figure 9 8 page 72 To test water valve operation Remove the ice bin and freezer shelf Detach the ice maker fr
74. on when displays Press and hold the TEMP switch button until dF displays IMPORTANT Manual defrost can be cancelled by turning the refrigerator OFF then back ON or by removing power to the controls IMPORTANT Manual defrost is cancelled if the Defrost Bypass is initiated IMPORTANT Defrost bypass can be cancelled by turning the refrigerator OFF then back ON or by removing power to the controls Manual Defrost Function Diagnostic Mode b To initiate a 96 hour defrost bypass cycle 1 Setthe controls to Diagnostics by pressing and holding the MODE and TEMP buttons at the same time 2 Press the MODE button until screen b displays Shortly thereafter bp will display 3 Press and hold the TEMP button until Go displays 4 Release the TEMP button when Go displays 5 Press and hold the TEMP button until bp displays 6 Once the defrost bypass mode has been set press the MODE and TEMP buttons at the same time and hold to exit the diagnostics mode Once out of the diagnostic mode no df will alternately be displayed in the center of the LCD display Note The divider heater output is turned off while in the defrost bypass mode External fan operation is turned on anytime there is a call for cooling by the refrigerator i e itis not controlled by the external fan thermistor while in the defrost bypass mode 53 SECTION 7 COOLING SYSTEM The c
75. ooling system is a sealed gas absorption refrigeration system charged with R 707 refrigerant 4 NOTE R 707 refrigerant contains anhydrous ammonia water and hydrogen The refrigerant also contains sodium chromate a corrosion inhibitor Optimal cooling system efficiency requires controlled heat application sufficient air flow to remove heat and supply combustion air and leveled operation Leveled Operation Cooling system efficiency is not affected when the vehicle is driven When parked off level operation should not exceed three 3 degrees from side to side and or six 6 degrees front to back at the refrigerator Poor cooling Poor cooling may be the result of one or a combination of Insufficient or obstructed ventilation Low AC voltage AC heater failure Low propane pressure Dirty burner Fan failure Dirty flue Blocked or jammed heat deflector cap Operation over maximum off level limits VV ON ON ON ON ON ON V WV Inadequate repairs Unauthorized modifications Insufficient or obstructed ventilation Insufficient or obstructed ventilation reduces cooling efficiency because the heat load generated and dissipated by the system is not efficiently removed To maintain cooling efficiency cooling air has to flow freely over the external walls of the absorber coils and over the condenser fins When ventilation is suspected of being the cause of poor cooling make sure that gt Air in
76. perly fastened Electrical Safety Do not work on live electrical circuits Turn off AC power and DC power sources before attempting to remove service or repair any of the refrigerator s electrical or electronic components Do not over fuse electrical circuits Use the specified fuse and AWG wire size Do not wet or spray liquids on or near electrical connections and electronic components Most liquids including leak detection solutions are electrically conductive and create the potential for shock hazards shorts damage to electronic circuits and or ignite a fire Do not use extension cords to supply AC power to the refrigerator Do not remove the grounding prong from the refrigerator AC power cord Do not use a two prong adapter to connect the refrigerator to the AC outlet Do not modify bypass or eliminate any of the refrigerator s electrical components electronic circuits or propane gas system components including AC and DC heaters To prevent shock hazard disconnect the AC power cord from the electrical outlet before attempting to remove the power board cover Electrical connections and repairs to electrical components must comply with applicable codes gt Use an anti static grounding strap before attempting to handle remove or install the power board Cooling System Safety gt Donottry to repair or recharge the cooling system The cooling system is sealed and pressurized It is not
77. pull the cooling unit without additional help may cause personal injury and or extensive property damage 27 With the help of an able person lift the cooing unit out of the cabinet Remove all thermal sealant from the cabinet steps and freezer plates Remove all thermal sealant from the evaporator coils and plug 28 29 Applying Thermal Mastic Sealant A N CAUTION Use only NORCOLD approved Thermal Mastic sealant part number 61450740 Do not use silicon latex or petroleum base sealant Silicone latex and petroleum sealants may damage the cabinet and or cooling system foam plug greatly reducing cooling efficiency Sealing the cooling unit to the cabinet requires all three tubes of Thermal Mastic sealant supplied with the replacement cooling unit For proper dispersal the tube tip needs be cut to dispense a bead no wider than 3 4 inch wide IMPORTANT Apply the sealant as outlined in the following steps Failure to apply the sealant as outlined will result in poor cooling performance 1 Apply a 3 4 inch wide x 1 2 inch thick bead of Thermal Mastic sealant to the surface of the evaporator tubes shown in Figure 7 7 2 Apply 3 4 inch wide x 1 2 inch thick bead of Thermal Mastic sealant on the four sides of the cabinet opening See Figure 7 8 page 63 Installing Cooling Unit into Cabinet 1 Make sure the ice maker water line wiring and fan wiring are out of the way on the opposite side of the flue
78. r board Check for loose F2 fuse holder clips Replace power board Broken 24 Replace power cord Replace fuse Power cord has continuity Check RV AC outlet Refer to RV service and repair manual Clips loose broken Adjust fuse clips no FL Code Burner Failed to Light Relight IMPORTANT The no FL fault is recorded in both the AUTO and MANUAL LP mode Once the 30 second trial for ignition has timed out the fault is set and recorded in non volatile memory approximately 25 seconds later gt IMPORTANT lt Make sure LP gas is available and that gas pressure is 10 5 to 11 5 in w c Orifice and burner serviced and Verify spark sense electrode air gap cleaned in last 12 months Service and clean orifice See page 38 NO Set air gap See Section 2 6 2 Assembly good Gap setting is 1 8 to 3 16 in YES Check spark sense assembly See Figure 3 10 page 26 Check gas valve solenoid coil resistance YES See Figure 4 4 page 37 78 to 86 Ohms YES Replace gas valve assembly Go to page 26 25 a Y Check continuity of solenoid coil wires From page 25 See Figure 3 11 page 26 Repair wires Check voltage output to solenoid coil Check continuity Replace power Voltage present during trial for ignition board Check for cracks Replace gas valve
79. r board 2 4 Disconnect DC power supply wires at power board terminals GND 3 and 12VDC 4 5 Disconnect the spark sense electrode wire 6 Remove the power board cover 8 32 x 1 hex screws 7T Remove the cover 8 For steps 8 through 12 See Figure 6 7 8 Disconnect the AC heater wires at power board a Blue or Black 8 wire and Blue or Black Y jumper terminals HT LO and AC __ HT LO2 Figure 6 6 Power board external connection b Yellow wire and Yellow Y 89 jumper terminals HT and AC HI2 9 Disconnect the high temperature limit switch wire leads terminals LIMIT IN and LIMIT OUT 10 Disconnect the wire harness connector at terminal P1 10 11 Disconnect the wire harness connector at terminal P2 12 Disconnect the defrost board communication wiring at power board connector P3 13 Disconnect daughter board jumper wire assembly from power board 13 14 Remove the existing power board from the base To install the replacement power board reverse steps 14 through 1 to complete replacement power board installation Figure 6 7 Power board external connection 48 29 Figure 6 8 Control panel uM 2 The control panel illustrated in Figur contains the ON OFF switch button 1 MODE switch button 2 LCD module 3 TEMP SET switch button 4 and LCD brightness button 6 8 The ON OFF switch
80. r line heater keeps the fill line and water valve body from freezing when the refrigerator is on This heater is 12 VDC controlled by a thermostatic switch shown in N Rear of cabinet Figure 9 5 Thermostatic switch JAN WARNING The water line heater does not protect the ice maker water valve and fill line at ambient temperatures of 0 degrees Fahrenheit 17 degrees Celsius At these ambient temperatures the water valve and the water fill line need to winterized The thermostat energizes the circuit when ambient temperature is approximately 42 to 38 F 5 5 to 3 3 C and de energizes at approximately 48 F 8 8 C Figure 9 5 Thermostatic switch and connections 70 Water Valve The water valve shown in Figure 9 6 is not a repairable component The solenoid coil is rated for 20 Watts 2120 VAC The ice maker cycle energizes the coil for approximately seven seconds shortly after the ice cubes are ejected Approximately 4 7 fluid ounces of water refill the mold during the seven second period Water Valve Replacement Af NOTE This procedure applies only to the ice maker water valve part number 618253 The ice maker water dispenser valve replacement procedure appears in Section 10 page 82 Water toice maker Figure 9 6 Water valve and water connections Remove the water valve proceed as follows and refer to Figure 9 6 and Figure 9 7 page 72 Disconnect thermostatic switch and the water
81. r to reservoir Water flows from top of the reservoir to the spigot The water flowing out of the spigot is replaced by water flowing into the reservoir as illustrated in Figure 10 4 Water dispenser Container against paddle Dispenser water valve Figure 10 4 Water flow through dispenser system 81 Water Valve Replacement Z NOTE This procedure applies only to the modular ice maker and water dispenser valve assembly part number 624516 To remove the water valve assembly proceed as follows and refer to Figure 10 5 and Figure 10 6 JAN WARNING Unplug the refrigerator AC power cord from the RV receptacle when working on the water valve Failure to unplug the AC power cord may expose the technician and or other personnel to an electrical shock hazard 1 Unplug the ice maker AC power cord from RV receptacle Shut off the water supply to the valve 3 Disconnect the BROWN wire and the WHITE wire at the ice maker solenoid coil d Red body Figure 10 5 Water valve connections Top View Disconnect the 12 volt DC BLACK wire and the 12 volt DC WHITE wire from the water valve solenoid coil Disconnect thermostatic switch and the water fill line heater The switch BROWN wire from the heater WHITE wire The remaining thermostatic switch BROWN
82. rmostat attached to the mold senses the mold temperature At approximately 17 to 14 F 8 3 to 10 C the thermostat energizes the stepper motor and the heater As the motor turns the ejector blades begin to make contact with the top of the ice cubes The motor rotates back and forth causing the blades to exert pressure on the ice cubes as the mold heater warms the bottom of the mold Once the ice cubes are freed the motor continues to turn the ejector which in turn sweeps the ice cubes out of the mold and into the ice bin At the same time the shut off arm begins to swing up which indicates the end of ice harvesting This begins a new cycle As the ejector blades point to the 12 o clock position the water valve opens for approximately seven seconds to refill the mold with approximately 4 7 fluid ounces of water After the mold is refilled the shut off arm drops to the ON position When the thermostat senses mold temperature to be 17 to 14 F 8 3 to 10 C the cycle starts again Ice Yield The ice maker can produce up to 3 1 2 pounds per day depending on usage and freezer door openings 68 Components AC Power Cord Figure 9 2 Ice Maker Power Cord Figure 9 2 shows the AC power cord for the 2117 ice maker The cord connects to the ice maker four wire harness The cord is to be plugged into a 2 pole 3 wire 20 amp grounding type receptacle Wire Harness gt
83. seal maker Open container s in freezer Containers that contain liquids have to be sealed prior to placing in freezer Mold heater failed open Replace ice maker Not cycling AC Stepper motor failure Replace ice maker power available Mold thermostat faulty Replace ice maker Thermal fuse open Replace wire harness Water spilling over Ice jam with cycle in fill position Clear jammed ice cubes ice maker mold Leaky water valve Replace water valve Mold thermostat failure Replace ice maker Stepper motor failure Replace ice maker Ice maker trips Excessive frost buildup behind Defrost freezer remove and dry ice ice maker maker connection and module Connection at water valve Correct connection at water valve wrong solenoid coil 3 Harness contacts wet and Remove ice maker to clean and dry corroded contacts 4 Mold heater shorted to ground Check mold heater for short TT Ice Maker Replacement Procedure Tools 5 16 nut driver 2 Flat blade screwdriver Cover To remove the ice maker 1 Turn off the refrigerator 2 Unplug the ice maker AC power cord at the Puliitonremove RV outlet 3 Remove the ice bin and the freezer shelf 4 Remove two ice maker mounting screws Shown in Figure 9 17 5 Rotate the ice maker so the front cover faces Steps 6 to 10 see Figure 9 18 and Figure 9 19 the freezer door and its front side facing 6 Re
84. take vent and exhaust vent are clear Vents have are not covered with insect screen plastic sheeting leaves or a birds nest gt Loose insulation is not blocking air flow over the condenser or absorber or the flue opening gt Both fans are working gt DC voltage is 10 5 VDC or higher Low AC voltage Three 187 Watt AC heaters generate the heat load required to turn liquid ammonia into vapor Also to generate the correct amount of heat voltage needs to be 108 to 132 volts AC heater failure One AC heater failure causes the system to operate at half the heat input required The heat output of two heater is insufficient to generate the ammonia vapor required Low propane pressure Propane pressure of 10 5 to 11 5 in w c is needed to ignite a flame that generates the heat required for operation Dirty burner A dirty burner affects the burner heat output Under normal operating conditions the burner and flue need to be checked and cleaned annually Fan failure The fans turn on at 130 F and off at 115 F One failed fan causes poor cooling Dirty flue A dirty flue restricts the flame from drawing sufficient secondary combustion air Little or no secondary combustion air causes a weak or lazy flame A partial view of the flue and spiral baffle is shown in Figure 7 1 page 55 54 m
85. tely 1 5 O each fan External fan output is turned on when there is a call for cooling by the external fan thermistor Fan Thermistor Figure 5 6 illustrates the location of the thermistor that controls fan operation The fans run when the Figure 5 6 Fan thermistor location thermistor senses fin temperature to be 130 F 54 4 C and above When the fin temperature is 115 F 46 C or below the fans are idle Thermistor failure indicated by fault code C4 on the display will cause both fans to run continously 4 Checking Thermistor Resistance To check thermistor resistance 1 Disconnect the thermistor from the harness 2 Set the multi meter to ohm meter function 3 Connect probes to thermistor terminals Outofrange thermistor measures less than 120 O or more than 250 kO Open thermistor reads O L open Fan replacement IMPORTANT Fan replacement requires removal of the refrigerator from the enclosure The RV manufacturer may have installed additional brackets and screws Always double check for additional screws and brackets before attempting to remove the refrigerator from the enclosure Tools 1 4 nut driver 2 Phillips tip screwdriver To remove the existing fan 1 Disconnect the existing fan positive wire connector and negative wires See Figure 5 7 2 Remove the existing fan and bracket from sump Save the screws and spacers to reinstall the new fan 3
86. the striker mechanism 2 4 Remove the control panel from the divider 50 Defrost and Temperature Control Freezer and food compartment defrost and temperature control is through the defrost and temperature control daughter board Description of Operation The defrost and temperature control controls the operation of the cooling system fans freezer fan fresh food compartment fan and automatic defrost cycle Freezer Fan Freezer fan operation is controlled through temperature input provided by the thermistor attached to the freezer fin assembly and a thermistor sensing freezer air temperature The fan turns on when freezer fin temperature is below 10 F 12 C and cooling demand is present or if thermistor resistance range is less than 1 35 or greater than 250 and cooling demand is present The fan turns off when freezer fin temperature is above 20 F 7 C freezer air temperature is below 5 F 21 C no cooling demand is present or when the controls are in defrost Fresh Food Compartment Fan Fresh food compartment fan operation is controlled through a thermistor located on the fresh food compartment fin assembly The fan turns on when fresh food fin temperature is below 40 F 4 C with cooling demand present or if thermistor resistance is less than 1 6 kQ or more than 295 kQ out of range The fan turns off when fresh food fin temperature is above 50 F 10 C no demand for cooling is present
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88. ustomer Support Dept NORCOLD Inc Telephone 800 543 1219 P O Box 4248 Fax 937 497 3183 Sidney OH 45365 www norcold com No 630614B 06 19 07
89. when display stored fault history displays The information is presented using illuminated n seconds Hm disdiavs on the LCD segments and alphanumerical codes sproei To set the display to diagnostics Figure 8 1 shows the pattern seen on the control panel when diagnostic mode is accessed Displaying screens through 1 Press the MODE button 2 Release the switch button when the next or the desired screen appears on the display Returning the Display to Normal Mode E CD 4f NOTE Powering the refrigerator OFF and back ON Figure 8 1 Optical control display screen and also returns the optical control display to its segments numbering normal display mode 1 Press and hold down the MODE and switch TEMP switch buttons at the same time 4 2 Release the switch buttons when the active operation mode displays 64 Diagnostic Screens Information Screen 1 The number 1 displays and within five seconds the screen number turns off and All segments illuminate to indicate the controls are set to diagnostics Replace the control panel assembly if any segment shown in the above illustration fail to illuminate Pressing the MODE 3 switch button displays screen 2 Screen 2 The number 2 displays and within five seconds the screen turns off Replace the optical control display assembly if any segment illuminates Pressing the MODE 9

Norcold 2117 Series Service manual

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