SECTION 7 Errors and Alarm Troubleshooting
Contents
1. calculated Two or more S1 to S3 select switches are set to 1 ON at the same time in the 3 output Selector block Block Model 163 or 3 input Selector block Block Model 164 There is a syntax error in Arithmetic Operation Block Model 126 the THEN or ELSE expression is not defined or the output reverse scaling limits are not set Operation at error The output value that was active before the error occurred is held Execution of the Arithmetic Operation block will be stopped Remedy Re program the Step Ladder Program block so that S1 to S3 select switches are set to 1 ON independent of each other Check the contents of the conditional statement and calculation expressions an check the settings of the output reverse scaling limits There are syntax errors in the membership functions or rules for the Fuzzy Logic block Block Model 016 making execution impossible a Avalue does not have one sign character and 5 or fewer numeric characters e g when a sign is included b Values are not separated by colons c The values that have been set are insufficient d There are more than three critical points in a membership functions e Critical points in membership functions do not rise to the right f Membership functions are not set for labels specified in rules NL NS ZR PS PL Data exchange with the CPU Unit is not being executed correctl2. D16020 inumber j 0 1 Loop Control Unit run status 2 47 Data update check code l D16027 LCU 40 Unit address 000 041 D16028 number 1 Loop Control Unit run EE D16029 1 status 2 CPU Unit run status 007 to 013 D16030 7 Data update check code l D16035 LCU 0 Unit address number 1 Loop Control Unit run D16037 2 status 2 CPU Unit run status 007t0 013 D16038 2 H 7 Data update check code D16043 195 Errors and Alarm Troubleshooting Section 7 1 7 1 4 Execution Error Code List e The execution error codes shown in the list below are stored in ITEMOOS of each function block e When there are function blocks containing an error other than 0 normal the smallest block number in these function block numbers is stored to ITEMO093 of the System Common block Block Model 000 e The following information can be checked in the Monitor Run Status screen on CX Process Tool Execute Run Validate Action Smallest block address where execution error occurred ITEMO93 of System Common block Execution error codes that occurred at each function block address smallest code No when multiple execution errors occur at a single function block in the Detailed display screen Code Description Explanation Operation at error Remedy 0 Normal 1 Connection Either the function block is not Running of the func
3. SECTION 7 Errors and Alarm Troubleshooting 7 1 ERRORS AND ALARM TROUBLESHOOTING e eeeeee eene nne 192 7 1 1 Judging Errors by Indicators ear ee ESE nnne nennen eene nee ne A rennen eens 192 7 1 2 Error Eog DX i PERRETE EAEE TS 195 7 1 3 System Information d e eR e etae eru ed e e e ne He tp ete merus 195 7 1 4 Execution Error Code List repre tree pe a erc i be e eost 196 7 2 MAINTENAN CE entere tto tree ie een rna oes pas ep Pre UE Y EUR aS REPE eR URS eaa HERR DURER oss 199 7 2 1 Replacing the Loop Control Unit eese ener ene tene trennen trennen eee 199 7 2 2 Using the flash memoty tee temet ene ie EE sub sensu Pedro nete e tee t Tee erret nes 200 7 2 3 How to Replace the Battery icono thes scesdesest Deep tbe mte pb omen Dp EE 202 191 Errors and Alarm Troubleshooting Section 7 1 7 1 Errors and Alarm Troubleshooting 7 1 1 Judging Errors by Indicators Indication Name Color State Description RUN CPU Unit Green Out e System stopped running A probable cause is one of the following e Initialization of unit in progress e Unit hardware trouble e No power supply from power supply unit e Unit WDT error e Operation of Loop Control Unit stopped A probable cause is one of the following Regular operation stopped CPU Unit run stop error CPU Unit in standby mode Load rate exceeded at operation cycle of 2 s Operation Cycle EE Switching Generation fl
4. When restricted conditions are a The function block in Check the settings of the parameter applied across two ITEMs question is not ITEMs example when the unit pulse executed output is equal to or greater b Data cannot be written than the operation cycle when there is unit pulse output in run time accumulation b An attempt has been made to write out of range data at the ITEM Setting block Step Ladder There is an irrelevant command in The command in question Check the program within the Program the Step Ladder Program or the and onwards are not Step Ladder Program block command error method of use of commands is executed wrong for example there is an AND command even though there is no input command Step Ladder Either the function block is not The command in question Check the block address and Program source registered to the block address and onwards are not ITEM number designation not currently specified by each executed defined command in the Step Ladder Program or the ITEM number does not exist 89 Overuse of Step The number of differentiated Differentiated instructions Reduce the number of Ladder Program instructions to be simultaneously exceeding 256 instructions differentiated instructions to differentiated executed has exceeded 256 are not executed be executed simultaneously instruction 198
5. ag O NM Loop Control Unit running ERH CPU Unit No CPU Unit error EH CPU Unit error ERC E No error Lit Error Biinkingle Battery error Only when DIP switch pin 2 is OFF SD RD Wauwed SSS 192 Errors and Alarm Troubleshooting Section 7 1 Errors that occur during initial processing at CPU Unit power ON or restart of the Loop Control Unit _ LED Error code Item Cause State stored as Remedy RUN NEB BR error log data Out Lit Out Unit 1 The same unit All functions None 1 Set the correct unit number number has been stopped number and turn the setting specified twice or power back ON again error more on the same CPU Unit 2 The unit number is 0006 detailed 2 Prepare an I O table not registered to CPU code 0800 Unit I O table 3 Failed to recognize None 3 Replace the Loop the CPU Unit Control Unit if ERH lights even if mounted on a different CPU Unit 4 Error occurred during OOOF 4 Refer to the CPU Unit initial processing on Operation Manual CPU Unit Out Lit Lit Initial Failed to recognize the All functions None Replace the Loop Control recognition CPU Unit stopped Unit if ERH ERC light even error if mounted on a different CPU Unit Out Out Lit Unit error Hardware malfunction All functions None Replace the Loop Control such as memory stopped Unit if ERC lights even if malfunction was moun
6. error log data Lit Out Out Normal CPU Unit running None Out Out Out Normal or Running stopped None load rate One of the following exceeded e Regular running at stop operation e Fatal error on Running Cancel the fatal error cycle of CPU Unit stopped referring to the CPU Unit two Operation Manual seconds e CPU Unit in Cancel the standby mode standby mode referring to the CPU Unit Operation Manual e Load rate 1 Running Add on another Loop exceeded at stopped Control Unit and distribute operation cycle of 2 ITEMOG68 processing between Loop 2s Operation of System Control Units Cycle Automatic Common Switching block is 1 Generation flag is ON ON not not Lit Function Data corruption 1 Running 0331 Execute initialization using related related block caused by noise stopped Detailed code CX Process Tool database 2 In the case of Block Set the data again to the error only a partial jaddress function block in question error FFFF using CX Process Tool operation is indicates that stopped only the entire atthe database is in function error block in question not not Blinking Battery Battery not mounted or lRunning 0330 Check the battery related related error drop in internal battery continued connection If the power voltage Only connection is normal when DIP switch pin 2 replace the battery is OFF not Lit not CPU Unit One of the followinglRunning 1 0001 Refer to the CPU Unit related related error
7. errors occurred on the stopped 2 0002 Operation Manual CPU Unit 3 000E 1 WDT error 2 Cyclic monitoring error 3 Bus error 194 Errors and Alarm Troubleshooting Section 7 1 7 1 2 Error Log Data The configuration of error log data including error codes is as follows Error log data is stored in RAM battery backed up on the Loop Control Unit The configuration of each error log is as follows and is regarded as a single record Error log data is not stored in flash memory RAM can hold up to 256 of the latest records 1 record Error code Detailed information Date year month and time hour minute second of occurrence Error log data can be read using the FINS READ ERROR LOG command code 2102 Hex command 7 1 3 System Information When operation of the Loop Control Unit is started the unit address and run status of the Loop Control Unit and other system information is reflected in the first 24 words eight words per Loop Control Unit of the Data Memory for the Node Terminals The leading addresses are allocated by ITEM043 start address of Data Memory D for Node Terminals in the System Common block Block Model 000 The following information is stored to the leading 24 words of Data Memory for the Node Terminals Data location Default address in I O Offset ous address Data description memory for Lcu 40 Unit address 000 041
8. he communications path and the communications settings 7 data bits even parity and 2 stop bits 30 Response timeout A response was not returned after sended data to the Controller for a ES100X Controller Terminal Block Model 045 Reponse was not returned for 5 s 3 times Communications will be stopped with the specified ES100X and tried with another ES100X Check the communications path the communications settings 7 data bits even parity and 2 stop bits and other required settings in the ES100X parameter setting mode unit number etc 197 Errors and Alarm Troubleshooting Section 7 1 Code Description Explanation Operation at error Remedy 31 Controller unit The unit number set in ITEM 006 for Communications will be Change the unit number number a ES100X Controller Terminal stopped with the ES100X settings ITEM 006 so that duplicated Block Model 045 is the same as Controllers each is used only once another ES100X Controller Terminal A reponse timeout will occur if the unit number does not exist 7O legal The function block on the primary X Running of the function Check the function block combination of loop side is not basic PID or block in question is model number on the primary function blocks advanced PID when bumpless stopped loop side processing between primary secondary loops was specified in basic PID or advanced PID 71 Inappropriate a
9. ted on a different detected during the self CPU Unit diagnostic test Out Out Out Power 1 The correct internal JAll functions None 1 Check the power supply power is not being stopped voltage and supply the failure supplied to the Loop correct power Or check Control Unit the total current consumption of the PC 2 The unit is not 2 Firmly fix the Loop properly fixed to the Control Unit on the Backplane Backplane 3 The unit is 3 Replace the Loop malfunctioning Control Unit if LED goes off even if mounted on a different CPU Unit not not Lit Function 1 Drop in internal All functions 0331 1 Check the battery related related block battery power voltage stopped Detailed code connection If the database or battery not Running Block connection is normal error mounted Only when stopped address replace the battery DIP switch pin 2 is FFFF Then execute OFF indicates that initialization using CX the entire Process Tool 2 Data corruption In the case of database is in 2 Set the data again to caused by noise only a partial jerror the function block in error running question using CX is stopped Process Tool only at the function block in question 193 Errors and Alarm Troubleshooting Section 7 1 Error that occur during regular running LED Error code RUN ERH ERC Item Cause State stored as Remedy
10. tion Check the block address and terminal output registered to the block address of block in question is ITEM number of the source terminal the source designation or the stopped and the functions designation or destination connection not destination or the ITEM number in question do not operate designation defined does not exist normally 2 Default error When run stop command S1 turned The program is not started Check the connection of the ON in the ramp program or segment reference input and program program the reference input was settings outside the rise ramp range 3 Variable value A constant between A1 and A8or Execution of the Arithmetic Set definitions for all error an intermediate buffer between B1 Operation block will be constants A1 to A8 and an and B4 that is used in the stopped intermediate buffers B1 to B4 conditional statement for Arithmetic that are used Operation Block Model 126 is not defined 10 Operation An attempt was made to execute In the case of In the case of DI AI Terminal process Division division by a 0 denominator in the Multiplication DI Al from CPU Unit DI AI by 0 operation process Terminal from CPU Unit Terminal from Expanded DI Al Terminal from CPU Unit or Field Terminal Expanded CPU Unit or blocks check the scaling Field Terminal blocks the value and in the case of the maximum value is output Segment Linearizer block In the case of the Segment check the setting
11. value of the Linearizer or Temperature input coordinate side In the and Pressure Correction case of temperature and blocks the previous data is pressure correction check retained the gain bias value 11 Operation The output value of the operation Output becomes the If there is a problem review process result exceeded the data length of maximum value or the settings of related ITEMs Operation out of two bytes minimum value of the restricted value Note An error does not occur even joutput range For if the output range 320 00 jexample when the output e g is exceeded if the data range is 320 00 the length of two bytes is not output becomes 320 00 or exceeded 320 00 12 Arugument An argument used in Arithmetic Execution of the Arithmetic Check the range of the beyond definition Operation Block Model 126 is Operation block will be arguments and correct the beyond the definition stopped conditional statement or calculation expressions 15 AT error A limit cycle cannot be generated for Execution of the relevant Check the following AT Basic PID Block Model 011 or block will be stopped parameters ITEM 036 to Advanced PID Block Model 012 or ITEM 040 Also set ITEM suitable PID constants cannot be 051 to 2 s or less 196 Errors and Alarm Troubleshooting Section 7 1 Code Description 19 Inappropriate operation 20 Download terminal data exchange error Explanation
12. y on the CPU Unit Terminal Expanded CPU Unit Terminal Node Terminals and Field Terminal blocks Operation of the Fuzzy Logic block will stop The data of the function block in question is not updated Check the membership functions and rules The ITEM number where the problem occured is given in ITEM 006 Operation Error Details If a malfunction has occurred on the CPU Unit follow the remedy for that error If the CPU Unit is normal turn ON the power supply again 21 l Omemory address out of range An address out of the I O memory address range has been specified on the CPU Unit Terminal Expanded CPU Unit Terminal Node Terminals and Field Terminal blocks Operation of the function block in question is stopped On the CPU Unit Terminal and Expanded CPU Unit Terminal blocks check the leading address and on field terminals check the setting of the CIO channel I O Area number setting In the case of Node Terminals check the setting of the leading address of the memory for the node terminals specified by System Common block ITEMO043 29 Reception error for external device A communications frame error was generated by the data received from an ES100X Controller for an ES100X Controller Terminal Block Model 045 An FCS check error or frame error occured 3 times in a row Communications will be stopped with the specified ES100X and tried with another ES100X Check t
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