CPS SC Series - Page 43

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3. IntFanErr
Definition:
Fan (invisible from outside) inside inverter is
working abnormally
Possible causes:
1. Fan service life has expired;
2. Fan socket connecter has poor contact.
Recommended solutions:
1. Observe for 5 minutes and see whether the
alarm will be eliminated automatically;
2. Switch off 3-phase work power supply and
then reboot the system;
3. Contact after-sales service personnel
4. ExtFanErr
Definition:
The visible fan from outside view is working
abnormally
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 be eliminated automatically;
2. Check for foreign matters on fan blades;
3. Switch off 3-phase work power supply and
then reboot the system;
4. Contact after-sales service personnel
5. EepromErr
Definition:
Internal alarm