Mitsubishi Electric MELSEC iQ-F Series Quick Start Manual page 38

9 TROUBLESHOOTING
Checking Procedure
7
PU module
The following table lists the CPU module error codes when an error occurs in the safety main module.
Error code
1200H Module
8
moderate error
detected
2042H CPU module
configuration
9
error
3050H System bus
error
For details on the error codes of the CPU module, refer to
38
Checking the LED Checking the Error
Status Code
CPU module
Description and
Error
cause
Detected a notice
of moderate error
occurrence from
intelligent function
module.
The number
of intelligent
function modules
connected
exceeds the
limit of available
connection.
Communication
with the
module failed
due to power
discontinuity or
the like.
Corrective action
Confirm detailed
information (system
configuration
information) from
module diagnosis of
the engineering tool
and remove the error of
the abnormal module.
Connect each
intelligent function
modules within the
connectable limit.
Verify that the
connected module is
powered on.
List of error codes in the FX5 User's Manual
Safety main module
Error code
Corrective action
P. 37
3052H or For corrective actions
another of each error code,
refer to the list of the
error code
error codes for the
safety main module.
3053H
3051H or
3052H
(Application).