66
Type
Fault Description and Solution
ALARM EepromErr
Definition: Internal alarm.
Possible causes: Internal memory issue.
Recommended solutions:
1. Observe for five minutes to see whether the alarm will be
eliminated automatically.
2. If the fault persists, contact CPS Customer Service.
PROTECTION
Temp O ver
Definition: Ambient or internal temperature is too high.
Possible causes:
Ambient temperature outside the inverter is too high.
Fan is blocked.
Convection airflow is insufficient due to improper installation.
Recommended solutions:
1. Confirm that the external ambient temperature is within the
specified range of operating temperature.
2. Check whether the air inlet is blocked.
3. Check whether the fan is blocked.
4. Check whether the location of installation is appropriate or not.
5. Observe for 30 minutes to see whether the alarm will be
eliminated automatically.
6. If the fault persists, contact CPS Customer Service.
GridV.OutLim
Definition: Grid voltage exceeds the specified range.
Possible causes:
Grid voltage is abnormal.
Power grid is down.
Grid connection between inverter and grid is poor.
Recommended solutions:
1. Observe for 10 minutes to see whether the alarm will be
eliminated automatically.
2. Check whether the grid voltage is within the specified range.
3. Check whether the cable between the inverter and the power
grid is disconnected or has any fault.
4. If the fault persists, contact CPS Customer Service.
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