7.4 Troubleshooting by alarm groups
7-13
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 8-20)".
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