8 TROUBLESHOOTING
MELSEC-Q
8 - 46 8 - 46
*1
: Characters in parentheses ( ) indicate the special register numbers where individual information is being
stored.
Error
Code
(SD0)
*1
Error Contents and Cause Corrective Action
Corresponding
CPU
1112
A tracking hardware fault was detected
during running.
• The tracking cable was
disconnected and reinserted without
the standby system being powered
off or reset.
• The tracking cable is not secured by
the connector fixing screws.
• The error occurred at a startup since
the redundant system startup
procedure was not followed.
• Start after checking that the tracking
cable is connected.
If the same error is displayed again,
the cause is the hardware fault of
the tracking cable or CPU module.
(Please contact your local Mitsubishi
representative, explaining a detailed
description of the problem.)
• Confirm the redundant system
startup procedure, and execute a
startup again. For details, refer to
the QnPRHCPU User's Manual
(Redundant System).
QnPRH
1113
1115
A fault was detected by the initial
check of the tracking hardware.
This suggests a CPU module
hardware fault. (Contact your nearest
Mitsubishi representative.)
1116
A tracking hardware fault was detected
during running.
• The tracking cable was
disconnected and reinserted without
the standby system being powered
off or reset.
• The tracking cable is not secured by
the connector fixing screws.
• The error occurred at a startup since
the redundant system startup
procedure was not followed.
• Start after checking that the tracking
cable is connected.
If the same error is displayed again,
the cause is the hardware fault of
the tracking cable or CPU module.
(Please contact your local Mitsubishi
representative, explaining a detailed
description of the problem.)
• Confirm the redundant system
startup procedure, and execute a
startup again. For details, refer to
the QnPRHCPU User's Manual
(Redundant System).
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