7.4 Troubleshooting by alarm groups
7-16
7. Troubleshooting
Alarm group C: Controller abnormality alarm
Controller abnormality occurred.
No. Cause Countermeasure
1 The controller is affected by the noise of a
peripheral device and cannot operate normally.
Shut down the power supply of the peripheral
device and operate only with the
ELECYLINDER, then check to see whether
this alarm persists.
If it does not, there is a possibility that the
ELECYLINDER is affected by the noise from
the peripheral device.
Reconsider the noise countermeasures
(grounding, power line wiring, electrostatic
shielding, etc.) for the peripheral device.
2 If this alarm recurs after performing the
inspection above and improving the power
supply environment, it is highly likely that the
controller has failed.
Replace the controller cover assembly.
→ For details, refer to “ Controller
replacement (page 8-17 to 21 and 22)”.
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