User`s manual

Error code list Troubleshooting
MELSEC System Q, Hardware 11 – 89
6108
TRK. TRANS. ERR.
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.
(This can be detected from the control system or
standby system of the redundant system.)
Collateral information
Common Information: —
Individual Information: —
Diagnostic Timing
Always
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.
Confirm the redundant system startup proce-
dure, and execute a startup again.
ON ON Continue QnPRH
6110
TRK. SIZE ERROR
The tracking capacity exceeded the allowed
range.
(This can be detected from the control system or
standby system of the redundant system.)
Collateral information
Common Information: Tracking capacity
excess error factor
Individual Information: —
Diagnostic Timing
When an END instruction executed
Reexamine the tracking capacity.
ON ON Continue QnPRH
6111
TRK. SIZE ERROR
The control system does not have enough file
register capacity for the file registers specified in
the tracking settings.
(This can be detected from the control system or
standby system of the redundant system.)
Collateral information
Common Information: —
Individual Information: —
Diagnostic Timing
When an END instruction executed
Switch to the file registers of which capacity is
greater than the file registers specified in the
tracking settings.
ON ON Continue QnPRH
6112
TRK. SIZE ERROR
File registers greater than those of the standby
system were tracked and transmitted from the
control system.
(This can be detected from the standby system
of the redundant system.)
Collateral information
Common Information: —
Individual Information: —
Diagnostic Timing
When an END instruction executed
Switch to the file registers of which capacity is
greater than the file registers specified in the
tracking settings.
ON ON Continue QnPRH
6120
TRK. CABLE ERR.
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.
(This can be detected from the control system or
standby system of the redundant system.)
Collateral information
Common Information: —
Individual Information: —
Diagnostic Timing
At power ON/At reset
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.
OFF Flicker Stop QnPRH
Error
code
Error contents and cause Corrective action
LED status
CPU
status
Corre-
sponding
CPU
RUN ERR.
Tab. 11-8: Error code list (6000 to 6999) for PLC CPUs of MELSEC System Q