Error Codes - Mitsubishi Electric MELSEC QS Series User Manual

9
TROUBLESHOOTING

9.5 Error Codes

The table below lists the error codes that are stored in the link special registers (SW) and
displayed on the CC-Link diagnostics screen.
Error code
Error details
(hexadecimal)
B000 System error
B100 System error
Forced termination of the
remote device station
B120
initialize procedure
registration
Target station error for
the remote device station
B124
initialize procedure
registration
Parameter for the remote
device station initialize
B125
procedure registration
has not been set.
Remote device station
initialize procedure
B126
registration setting
change error
Table 9.1 Error Code List (1/6)
Cause of error occurrence (details)
A system error was detected.
A system error was detected.
In the remote device station initialize
procedure registration, the instruction device
of the registration was turned off before
completion of all procedures.
The remote device station initialize procedure
registration instruction device for a station
other than the master station was turned on.
The remote device station initialize procedure
registration instruction device was turned on
without setting the procedure registration.
The initialize procedure execution setting was
changed after the initialize procedure start
was instructed.
9.5 Error Codes
Corrective action
Perform the following procedures:
(1) Check if the safety master module, safety
power supply module, and safety CPU
module are properly mounted on the safety
base unit.
(2) Check if the operation environment of the
safety master module is within the general
specifications for the safety CPU module.
(3) Check if the power capacity is sufficient.
(4) Check if the hardware of the safety master
module, safety CPU module and safety
base unit is normal, according to each
manual. In the case of failure, please
consult your local Mitsubishi Electric
representative for repair.
(5) If the problem is not resolved by the
actions above, please consult your local
Mitsubishi Electric representative.
Turn off the instruction device of the remote
device station initialize procedure registration
after completion of all procedures.
Turn on the remote device station initialization
procedure registration instruction device for
the master station (station No.0).
Set the remote device station initialize
procedure registration before turning on the
instruction device of the registration.
Set the remote device station initialize
procedure registration before turning on the
instruction device of the registration.
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