Appendices; Appendix 1 Error Code List; Appendix 1.1 Cpu Error Code - Mitsubishi Electric MELSEC Q Series User Manual

APPENDICES

Appendix 1
This section explains error codes that are returned upon error occurrence.
Type
CPU error code
Error code detected during device
monitor execution
Error code during function execution
Error code returned to peripherals
In any of the following cases, please consult your local Mitsubishi service center or representative, explaining the details of
the problem.
• Any error code not listed in the following table is detected
• The actions indicated in the following table does not resolve the program
Appendix 1.1
The error codes and respective detailed information and corrective actions are shown below.
Error Error
Error message
code information
1000 MAIN CPU DOWN
1009 MAIN CPU DOWN
Error Code List
Error code that occurs in C controller module.
Error code detected during device monitor function
execution in Setting/monitoring tools for the C
Controller module.
Error code returned by bus interface functions,
C Controller module dedicated function and
MELSEC data link functions.
Error code returned to communication request
device from the intelligent function module and
network system such as peripherals (GOT, etc.).
CPU error code
LED status CPU
operation
RUN ERR.
status
- Off Flashing Stop
- Off Flashing Stop
Description
Error details and cause
CPU module drives recklessly or it breaks
down.
• Malfunction by noise etc.
• Hardware error.
• Data error of battery backup RAM was
detected.
• A failure was detected in the power
supply module, C Controller module,
main base unit, extension base unit, or
extension cable.
• When using the redundant base unit, the
redundant power supply module failure in
both systems and/or the redundant base
unit failure are detected.
APPENDICES
Reference
Page 409, Appendix 1.1
Page 420, Appendix 1.2
Page 421, Appendix 1.3
Page 432, Appendix 1.4
Corrective action
• Take a preventive measure against
noise.
• Initializes the C Controller module.
• Check for any battery error, and replace
the battery.
• Reset the CPU module and restart it.
• Reset the C Controller module and set it
to RUN again.
• If the same error is displayed again,
check the modules and replace a faulty
module.
409
A