Mitsubishi Electric MELSEC iQ-R-R00CPU - Page 762

760
APPX
Appendix 1 Error Codes
3E60H Safety mutual
monitoring error
■SIL2 Process CPU, SIL2 function
module
• A hardware failure has been
detected in the mutual monitoring
between the SIL2 Process CPU
and SIL2 function module.
■Safety CPU, safety function
module
• A hardware failure has been
detected in the mutual monitoring
between the Safety CPU and
safety function module.
Stop • Take measures to reduce noise.
• Check the mounting status of the CPU
module, SIL2 function module, and
safety function module.
• Reset the CPU module and run it
again. If the same error code is
displayed again, the possible cause is
a hardware failure of the CPU module
or module (SIL2 function module or
safety function module) connected.
Please consult your local Mitsubishi
representative.
Failure
information
At power-on,
at RESET, at
interrupt
occurrence
3E61H Always
3E68H Hardware failure • A hardware failure has been
detected.
Stop • Take measures to reduce noise.
• Check the mounting status of the CPU
module.
• Reset the CPU module and run it
again. If the same error code is
displayed again, the possible cause is
a hardware failure of the CPU module.
Please consult your local Mitsubishi
representative.
Failure
information
Always
Error
code
Error name Error details and cause Stop/
continue
Action Detailed
information
Diagnostic
timing