8 TROUBLESHOOTING
MELSEC-Q
8 - 138 8 - 138
*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
6107
A data sum value error occurred in
tracking (data reception).
• Check the CPU module or tracking
cable. If the error still occurs, this
indicates the CPU module or
tracking cable is faulty. (Contact
your local Mitsubishi representative,
explaining a detailed description of
the problem.)
• Confirm the redundant system
startup procedure, and execute a
startup again.
QnPRH
6108
• A data error (other than sum value
error) occurred in tracking (data
reception).
(This error may be caused by
tracking cable removal or other
system power-off (including reset).)
• The error occurred at a startup since
the redundant system startup
procedure was not followed.
6110
The tracking capacity exceeded the
allowed range.
Reexamine the tracking capacity.
6111
The control system does not have
enough file register capacity for the file
registers specified in the tracking
settings.
Switch to the file registers of which
capacity is greater than the file
registers specified in the tracking
settings.
6112
File registers greater than those of the
standby system were tracked and
transmitted from the control system.
Switch to the file registers of which
capacity is greater than the file
registers specified in the tracking
settings.
6120
• A start was made without the
tracking cable being connected.
• A start was made with the tracking
cable faulty.
• As the tracking hardware on the
CPU module side was faulty,
communication with the other
system could not be made via the
tracking cable.
Make a start after connecting the
tracking cable. If the same error still
occurs, this indicates the tracking
cable or CPU module side tracking
transmission hardware is faulty.
(Contact your local Mitsubishi
representative, explaining a detailed
description of the problem.)
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