Mitsubishi Electric MELSEC iQ-R Series User Manual page 131

Error Error details and causes
code
B830H System error
B903H A transient request was issued to a station that had not
secured a communication buffer.
B981H to System error
B987H
B988H An error has been detected in the CPU module.
A hardware failure has been detected.
B989H An error has been detected in the CPU module.
A hardware failure has been detected.
B9FFH An error has been detected in the CPU module.
A hardware failure has been detected.
BA01H A hardware failure has been detected.
BA02H System error
BA05H System error
BA06H to A hardware failure has been detected.
BA13H
BA14H A hardware (communication circuit) failure has been
detected.
BA15H A hardware failure has been detected.
BA16H A hardware (communication circuit) failure has been
detected.
BA17H A hardware (communication circuit) failure has been
detected.
BA19H The target station of the line test 2 cannot be
communicated.
BA1BH A communication failure has occurred in all stations during
execution of the line test 1.
BA1FH to A hardware failure has been detected.
BA21H
BB01H Execution of some of the following was attempted at the
same time on the same station (Including the same
request).
• Remote device station initialization procedure
registration function
• RISEND or RIRCV instruction
• Access from a peripheral to a remote device station
BBC0H The station type of the own station has been set to other
than "Master Station (Duplex Function)" in a redundant
system.
BBC1H to System error
BBC3H
BBC5H • Multiple master stations exist on the same line.
• Noise has been detected on the line at power-on.
BBC7H System error
BBC8H System error
Action
Please consult your local Mitsubishi representative.
Secure a communication buffer area using the parameter.
Please consult your local Mitsubishi representative.
Check the error of the CPU module and take action using
the module diagnostics.
Please consult your local Mitsubishi representative.
Check the error of the CPU module and take action using
the module diagnostics.
Please consult your local Mitsubishi representative.
Check the error of the CPU module and take action using
the module diagnostics.
Please consult your local Mitsubishi representative.
Please consult your local Mitsubishi representative.
Please consult your local Mitsubishi representative.
Please consult your local Mitsubishi representative.
Please consult your local Mitsubishi representative.
• Check that the terminating resistor provided with the
master/local module is connected between the DA and
DB terminals, and execute the hardware test again.
• If the error occurs again even after taking the above,
please consult your local Mitsubishi representative.
Please consult your local Mitsubishi representative.
• Check that the terminating resistor provided with the
master/local module is connected between the DA and
DB terminals, and execute the hardware test again.
• If the error occurs again even after taking the above,
please consult your local Mitsubishi representative.
• Check that the terminating resistor provided with the
master/local module is connected between the DA and
DB terminals, and execute the hardware test again.
• If the error occurs again even after taking the above,
please consult your local Mitsubishi representative.
Check the cables and the target station.
Check the cables.
Please consult your local Mitsubishi representative.
Execute after other processing is completed.
Set the station type of the own station to "Master Station
(Duplex Function)" in a redundant system.
Please consult your local Mitsubishi representative.
• Reduce the number of master stations on the same line
to one.
• When the data link starts by turning on 'Master station
duplication error cancel request' (SB0007), check the
line status.
Please consult your local Mitsubishi representative.
Please consult your local Mitsubishi representative.
Detailed
information
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4 TROUBLESHOOTING
129
4.6 List of Error Codes
4