Chint Power CPS SC4.6KTL-O Installation And Operation Manual page 43

Fault
Message
Consistent
Fault
SCI Failure
Over
Temperature
Relay Failure
Inverter
Failure
DC INJ High
EEPROM
Failure
High DC Bus
Low DC Bus
Ref 2.5V Fault
DC Sensor
Fault
GFCI Failure
Troubleshooting the PV-Inverter
(1) Disconnect PV(+) and PV(-) from the input, start
the unit again.
(2) If it does not work, please call service.
(1) The internal temperature is higher than specified
normal value.
(2) Reduce the ambient temperature by some
appropriate and effective way.
(3) Or move Inverter to a cooler location.
(4) If it does not work, please call service.
(1) Disconnect PV(+) and PV(-) from the input, start
the unit again.
(2) If it does not work, please call service.
(1) Grid DC current higher than the permissible
value.
(2) Observe the faulty condition for 1 minute.
(3) If it does not restore to normal operation, please
call service.
(1) Disconnect PV(+) and PV(-) from the input, start
the unit again.
(2) If it does not restore to normal operation, please
call service.
(1) Disconnect PV(+) and PV(-) from the input, start
the unit again.
(2) Check if L-LINE and N-Neutral are mistakenly
connected.
(3) If so, please call service.
(1) Disconnect PV(+) and PV(-) from the input, start
the unit again.
(1) If it does not work, please call service.
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Diagnosis and Solution