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Table 6-3 Troubleshooting Alarm Codes
ALARM CODES
1.CommErr
Definition: Communication inside inverter fails
Possible causes:
Terminal block connecters of internal communication wires
have poor contact
Recommended solutions:
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
2.ExtFanErr
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 power supply and then reboot the
system;
4.
Contact after-sales service personnel
3. IntFanErr
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.
Summary of Contents for CPS SCH Series
Page 2: ......
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Page 43: ...39 Figure 3 25 AC Output Cable Connection Distributed Wire box L1 L2 L3 ...
Page 45: ...41 Figure 3 27 AC Output Cable Connection Centralized Wire box Ver 2 ...
Page 58: ...54 Figure 4 1 System setting ...
Page 81: ...77 5 4 2 6 Others The REF column is reference to Table 5 7 Enable functions ...
