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1. Error Code Description Error Code Description E4 No Program in CPU E461 Stack Overflow E401 Missing END statement E462 Stack Underflow E402 Missing LBL E463 Logic Error E403 Missing RET E464 Missing Circuit E404 Missing FOR E471 Duplicate coil reference E405 Missing NEXT E472 Duplicate TMR reference E406 Missing IRT E473 Duplicate CNT reference E412 SBR LBL gt 64 E480 CV position error E413 FOR NEXT gt 64 E481 CV not connected E421 Duplicate stage reference E482 CV exceeded E422 Duplicate SBR LBL reference E483 CVJMP placement error E423 Nested loops E484 No CV E431 Invalid ISG SG address E485 No CVJMP E432 Invalid jump GOTO address E486 BCALL placement error E433 Invalid SBR address E487 No Block defined E434 Invalid RTC address E488 Block position error E435 Invalid RT address E489 Block CR identifier error E436 Invalid INT address E490 No Block stage E437 Invalid IRTC address E491 ISG position error E438 Invalid IRT address E492 BEND position error 2 E440 Invalid Data Address E493 BEND error sF E441 ACON NCON E494 No BEND Se E451 Bad MLS MLR 33 E452 X input used as output coil oo E453 Missing T C G E454 Bad TMRA E455 Bad CNT E456 Bad SR DL205 User Manual 3rd Ed Rev A 08 03
2. is triggered the messages already stored in the table are pushed down and the most recent message is loaded into the top position If the table is full when an error occurs the oldest message is pushed erased from the table The following diagram shows an example of an error table for messages Date Time Message 1993 05 26 08 41 51 11 Conveyor 2 stopped 1993 04 30 17 01 11 56 Conveyor 1 stopped 1993 04 30 17 01 11 12 Limit SW1 failed 1993 04 28 03 25 14 31 Saw Jam Detect You can access the error code table and the message table through DirectSOFT32 s PLC Diagnostic sub menus or from the Handheld Programmer Details on how to access these logs are provided in the DL205 DirectSOFT32 manual The following examples show you how to use the Handheld and AUX Function 5C to show the error codes The most recent error or message is always displayed You can use the PREV and NXT keys to scroll through the messages Use AUX 5C to view the tables AUX 5C HISTORY D ERROR MESAGE sHFT C AUX ENT CLR Bunooysejqnoi pue souRUalule gt ENT AUX 5C HISTORY D ERROR MESAGE Example of an error display E252NEW I O CFG 93 09 21 10 11 15 Year Month Day Time DL205 User Manual 3rd Ed Rev A 08 03 Maintenance and Troubleshooting System Error The System error log contains 32 of the most recent errors that have
3. 0 device SP40 Critical error SP117 Communication error on Port 2 DL250 1 DL260 only SP41 Non critical error SP120 Module busy Slot 0 SP43 Battery low SP121 Communication error Slot 0 SP44 Program memory error SP122 Module busy Slot 1 Shae uO error SP123 Communication error Slot 1 SP46 Communications error SP124 Module busy Slot 2 Sat VO configuration error SP125 Communication error Slot 2 _ SP50 Fault instruction was executed SP126 Module busy Slot 3 5S SP51 Watchdog timeout SP127 Communication error Slot 3 Sg SP52 Syntax error SP130 Module busy Slot 4 D D SP39 Cannot Olve MMe Iggig SP131 Communication error Slot 4 2 8 SP54 Intelligent module communication error SP132 Module busy Slot 5 SP133 Communication error Slot 5 SP134 Module busy Slot 6 SP135 Communication error Slot 6 SP136 Module busy Slot 7 SP137 Communication error Slot 7 DL205 User Manual 3rd Ed Rev A 08 03 Maintenance and Troubleshooting V O Module Codes Each system component has a code identifier This code identifier is used in some of the error messages related to the I O modules The following table shows these codes Code Component Type Code Component Type Hex Hex 04 CPU 36 Analog Input 03 I O Base 2B 16 pt Input 20 8 pt Output 37 Analog Output 21 8 pt Input 3D Analog I O Combo 24 4input output 4A Counter Interface combination re 28 12 pt Output pies 16 pt Output
4. FF No module detected 3F 32 pt Input 30 32 pt Output EE cae O 52 H2 ERM F2 CP128 51 H2 CTRIO BE D2 RMSM The following diagram shows an example of how the I O module codes are used el V7752 0020 Desired module ID code V7753 0026 Current module ID code V7754 0002 Location of conflict V7755 0252 Fatal error code SP47 IO Configuration Error oO Qo Ske CE EO E252 95 Program Control Information 3 NEW I O CFG SE xe c oO DL205 User Manual 3rd Ed Rev A 08 03 Error Message Tables xl viv iv 230 240 250 1 260 9 7 Maintenance and Troubleshooting The DL240 CPU will automatically log any system error codes and any custom messages you have created in your application program with the FAULT instructions The CPU logs the error code the date and the time the error occurred There are two separate tables that store this information e Error Code Table the system logs up to 32 errors in the table When an error occurs the errors already in the table are pushed down and the most recent error is loaded into the top position If the table is full when an error occurs the oldest error is pushed erased from the table e Message Table the system logs up to 16 messages in this table When a message
5. Maintenance and Troubleshooting 93 Diagnostics Diagnostics Your DL205 system performs many pre defined diagnostic routines with every CPU scan The diagnostics have been designed to detect various types of failures for the CPU and I O modules There are two primary error classes fatal and non fatal Fatal Errors Fatal errors are errors the CPU has detected that offer a risk of the system not functioning safely or properly If the CPU is in Run Mode when the fatal error occurs the CPU will switch to Program Mode Remember in Program Mode all outputs are turned off If the fatal error is detected while the CPU is in Program Mode the CPU will not enter Run Mode until the error has been corrected Here are some examples of fatal errors e Base power supply failure e Parity error or CPU malfunction e 1 O configuration errors e Certain programming errors Non fatal Errors Non fatal errors are errors that are flagged by the CPU as requiring attention They can neither cause the CPU to change from Run Mode to Program Mode nor do they prevent the CPU from entering Run Mode There are special relays the application program can use to detect if a non fatal error has occurred The application program can then be used to take the system to an orderly shutdown or to switch the CPU to Program Mode if necessary Some examples of non fatal errors are e Backup battery voltage low e All I O module errors e Certain programming errors Finding Diagno
6. been detected Codes The errors that are trapped in the error log are a subset of all the error messages xT WIV Iv which the DL205 systems generate These errors can be generated by the CPU or by the Handheld Programmer depending on the actual error Appendix B provides a 230 240 250 1 260 more complete description of the error codes The errors can be detected at various times However most of them are detected at power up on entry to Run Mode or when a Handheld Programmer key sequence results in an error or an illegal request Error Description Error Description Code Code E003 Software time out E506 Invalid operation E004 Invalid instruction E520 Bad operation CPU in Run RAM parity error in the CPU E041 CPU battery low E043 Memory cartridge battery low E521 Bad operation CPU in Test Run E523 Bad operation CPU in Test Program E524 Bad operation CPU in Program E525 Mode switch not in TERM E099 Program memory exceeded E101 CPU memory cartridge missing E104 Write fail E526 Unit is offline E151 Invalid command E527 _ Unit is online E155 RAM failure E528 CPU mode E201 Terminal block missing E540 CPU locked E202 Missing I O module E541 Wrong password E203 Blown fuse E542 Password reset E206 User 24V power supply failure E601 Memory full E210 Power fault E602 Instruction missing E250 Communication failu
7. re in the I O chain E604 Reference missing E251 I O parity error E610 Bad I O type E252 New I O configuration E262 I O out of range E312 Communications error 2 E611 Bad Communications ID E620 Out of memory E621 EEPROM Memory not blank E622 No Handheld Programmer EEPROM E624 V memory only D amp o O OO cc On 52 Faj e353 ihe Sk ke a oO E313 Communications error 3 E316 Communications error 6 E320 Time out E321 Communications error E625 Program only E499 Invalid Text entry for Print Instruction E627 Bad write operation F501 Bad entry E628 Memory type error should be EEPROM E502 Bad address E640 Miscompare E503 Bad command E650 Handheld Programmer system error E504 Bad reference value E651 Handheld Programmer ROM error E505 Invalid instruction E652 Handheld Programmer RAM error DL205 User Manual 3rd Ed Rev A 08 03 Maintenance and Troubleshooting Program Error The following list shows the errors that can occur when there are problems with the Codes program These errors will be detected when you try to place the CPU into Run Mode or when you use AUX 21 Check Program The CPU will also turn on SP52 and store the error code in V7755 Appendix B provides a more complete description of the error codes
8. stic Diagnostic information can be found in several places with varying levels of Information message detail e The CPU automatically logs error codes and any FAULT messages into two separate tables which can be viewed with the Handheld or DirectSOFT32 e The handheld programmer displays error numbers and short descriptions of the error e DirectSOFT32 provides the error number and an error message e Appendix B in this manual has a complete list of error messages sorted by error number soueualule i a fe Cc z fo 2 7 Co Many of these messages point to supplemental memory locations which can be referenced for additional related information These memory references are in the form of V memory and SPs special relays The following two tables name the specific memory locations that correspond to certain types of error messages The special relay table also includes status indicators which can be used in programming For a more detailed description of each of these special relays refer to Appendix D DL205 User Manual 3rd Ed Rev A 08 03 D amp o O OO cc On 52 Faj e353 ice Sk Oo oO Maintenance and Troubleshooting V memory Locations Corresponding to Error Codes V memory Battery Voltage DL240 only Shows battery voltage to tenths 32 is 3 2V V7746 User Defined Error code used with FAULT instruction Always holds a 0 Grammatical Address where syn
9. tax error occurs V7763 Error Code found during syntax check V7764 CPU Scan Number of scans since last Program to Run V7765 Mode transition Minimum scan time ms V7776 Maximum scan time ms V7777 DL205 User Manual 3rd Ed Rev A 08 03 Maintenance and Troubleshooting Special Relays SP Corresponding to Error Codes Startup and Real time Relays Accumulator Status Relays SPO On first scan only SP60 Acc is less than value SP1 Always ON SP61 Acc is equal to value SP2 Always OFF SP62 Acc is greater than value SP3 1 minute clock SP63 Acc result is zero SP4 1 second clock SP64 Half borrow occurred SP5 100 millisecond clock SP65 Borrow occurred SP6 50 millisecond clock SP66 Half carry occurred SP7 On alternate scans SP67 Carry occurred CPU Status Relays SP70 Result is negative sign SP11 Forced run mode DL240 only SP71 Pointer reference error SP12 Terminal run mode SP73 Overflow SP13 Test run mode SP75 Data is not in BCD DL240 only SP76 Load zero SP15 Test program mode DL240 only Communication Monitoring Relays SPIS lerminalprogram mode SP116 CPU is communicating with another SP20 STOP instruction was executed DL230 DL240 device SP22 Interrupt enabled SP116 Port 2 is communicating with another System Monitoring Relays DL250 1 DL26

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