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3.ExtFanErr
4.EepromErr
Protection 1.TempOver
1.Observe for 5 minutes and see whether the alarm
will be eliminated automatically;
2.Switch off 3-phase working power supply and
then reboot the system;
3.Contact after-sales service personnel
Definition:
Cooling fan failure by visual check
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 objects on fan blades;
3.Switch off 3-phase work power supply and then
reboot the system;
4.Contact after-sales service personnel
Definition:
Internal alarm
Possible causes:
Internal memory has a problem
Recommended solutions:
1.Observe for 5 minutes and see whether the alarm
will be eliminated automatically;
2.Contact after-sales service personnel
Definition:
Ambient or internal temperature is too high
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