Omron CJ2 User Manual page 188

6 Troubleshooting
Error Causes and Remedies
Suspected cause of
error
An error specific to the
Unit
Faulty connection at Unit
(at a connector)
Unit failure
Noise
• Data corruption in bus
signals
6-22
Confirmation method
Refer to the manual for the
particular Unit.
Check the insertion at the
connector. Restart the
Unit and check whether
the error is cleared.
If restarting the Unit does
not clear the error, check
whether the error is
cleared by replacing the
Unit.
Restart the CPU Unit and
check whether the error
occurs again after this.
Remedy
Same as at the left.
Tighten the screws.
Replace the applicable
Unit.
Take measures against
noise. (Investigate the
path of entry.)
• FG
• Power lines
CJ2 CPU Unit Hardware User's Manual
Prevention of recur-
rence
Same as at the left.
Check for vibration and
shock.
Same as at the left.
Same as at the left.