YASKAWA Solectria PVI 25TL-208 Installation And Operation Manual page 103

Installation and Operation Guide SOLECTRIA® PVI 25TL-208, PVI 50TL-480 and PVI 60TL-480
COMMERR
EXTFANERR
EEPROMERR
DOCR-071030-A (10/7/2022)
Definition:
Communication inside inverter failed
Possible causes:
Terminal block connecters of internal communication wires have poor
contact.
Recommended solutions:
4. Observe for 5 minutes and see whether the alarm will stop
automatically.
5. Switch off external AC disconnect, then back on to reboot the
system.
6. Contact the technical support team.
Definition:
Cooling fan failure
Possible causes:
1. Fan is blocked.
2. Fan service life has expired.
3. Fan socket connecter has poor contact.
Recommended solutions:
1. Observe for 5 minutes and see whether the alarm will stop
automatically.
2. Check for foreign objects on fan blades.
3. Switch off external AC disconnect, then back on to reboot the
system.
4. Contact the technical support team.
Definition:
Internal Alarm
Possible Cause:
Internal Memory has a problem.
Recommended solutions:
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