Automationdirect.com D4-454 PLC User Manual page 521

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Appendix A: D4-454 Error Codes
D4-454 Error Code
E505
INVALID INSTRUCTION
E506
INVALID OPERATION
E520
BAD OP–RUN
E521
BAD OP–TRUN
E523
BAD OP–TPGM
E524
BAD OP–PGM
E525
MODE SWITCH
E526
OFF LINE
E540
CPU LOCKED
E541
WRONG PASSWORD
E542
PASSWORD RESET
E601
MEMORY FULL
E602
INSTRUCTION MISSING
E603
DATA MISSING
E604
REFERENCE MISSING
E610
BAD I/O TYPE
A-6
D4-454 PLC User Manual,1st Edition, Rev. D
An invalid instruction was entered into the handheld programmer.
An invalid operation was attempted by the handheld programmer.
An operation which is invalid in the RUN mode was attempted by the handheld programmer.
An operation which is invalid in the TEST RUN mode was attempted by the handheld programmer.
An operation which is invalid in the TEST PROGRAM mode was attempted by the handheld
programmer.
An operation which is invalid in the PROGRAM mode was attempted by the handheld programmer.
An operation was attempted by the handheld programmer or DirectSOFT programming software
while the CPU mode switch was in a position other than the TERM position.
The handheld programmer is in the OFFLINE mode. To change to the ONLINE mode use the MODE
key.
The CPU has been password locked. To unlock the CPU, enter the password when prompted by
DirectSOFT programming software. .
The password used to unlock the CPU DirectSOFT programming software was incorrect.
The CPU powered up with an invalid password and reset the password to 00000000. A password
may be re-entered using DirectSOFT programming software PLC Password menu option.
Attempted to enter an instruction which required more memory than is available in the CPU.
A search function was performed and the instruction was not found.
A search function was performed and the data was not found.
A search function was performed and the reference was not found.
The application program has referenced an I/O module as the incorrect type of module.
Description

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