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Error
Code
Error Contents and Cause
(SD0)
The initial communication between CPU
8070
A and CPU B was unsuccessful.
CPU A and CPU B cannot send data to
8071
each other.
CPU A and CPU B cannot receive data
8072
from each other.
CPU A and CPU B cannot send data to
8073
each other.
CPU A and CPU B cannot receive data
8074
from each other.
Power supply voltage error has been
8080
detected in a CPU module.
The error of line voltage monitoring
8090
circuit is detected.
The continuous operation time on
TEST MODE exceeds the TEST MODE
8100
continuous operation time set by the
parameter.
8120
Clock stop of the WDT is detected.
Error information is received from CC-
8300
Link Safety remote station.
Corrective Action
• Take measure against noise.
• Reset it and run it again.
If the same error is displayed again, this
suggests a CPU module hardware fault.
(Contact your local Mitsubishi
representative.)
• Take measure against noise.
• Reset it and run it again.
If the same error is displayed again, this
suggests a CPU module hardware fault.
(Contact your local Mitsubishi
representative.)
• Take measure against noise.
• Reset it and run it again.
If the same error is displayed again, this
suggests a CPU module hardware fault.
(Contact your local Mitsubishi
representative.)
Confirm that the safety CPU operation
mode can be switched to the SAFETY
MODE, and start operation after
switching the TEST MODE to the
SAFETY MODE.
• Take measure against noise.
• Reset it and run it again.
If the same error is displayed again, this
suggests a CPU module hardware fault.
(Contact your local Mitsubishi
representative.)
Confirm the error code of the relevant
CC-Link Safety remote station. (Refer to
the manual of the CC-Link Safety
remote module for the confirmation.)
9.1.8 Error code list (8000 to 9000)
Corresponding
CPU
QS
QS
QS
QS
QS
QS
9.1 Error Code List
9
9-31
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