Sharp JH-1600E Service Manual page 19

Check The solar power conditioner is in normal status.
Wait until the utility grid recovers. The solar power conditioner will restart
Action
automatically.
Cause AC breaker is shut down.
Check Check the status of the AC breaker.
Case.2
Turn on the AC beaker. The utility grid is received and the solar power
Action
conditioner will restart automatically.
Voltage of the utility grid falls due to the electric supply status of the power
Cause
company.
Measure the receiving voltage at the output terminal of the solar power
Case.3 Check conditioner. If L-N voltage is lower than setting value, it is in abnormal
condition.
Inform your power company that the sending voltage is low, and ask the
Action
adjustment.
Cause Defect or looseness of the terminals or wiring
Case.4 Check Check wiring and terminal of the CNW7 in the wiring box.
Action Re-wiring on the terminal of CNW7.
Cause AC fuse is blown out.
Case.5
Check Check the resistance of fuse (FUW2) with meter in the wiring box.
Action Replace the fuse (FUW2) inside the wiring box.
Cause Defect grid voltage detector circuitry
Check the voltage of receiving utility voltage, if its voltage is large than setting
Case.6 Check
value and fuse is fine, some problem is in solar conditioner.
Action Replace a new solar power conditioner.
Error code
F-02
Description Utility frequency over setting value
Protection level Over 53 Hz [Parametr:52Hz / 53Hz / 54Hz]
Activation time 1 sec(default value) [Parametr:1S / 1.4S / 1.8S]
Case.1 Cause Power failure of the utility grid.
Check The solar power conditioner is in normal status.
Action Wait until the utility grid recovers. The solar power conditioner will restart
automatically.
Case.2 Cause Frequency detector circuit is failed.
Recovery method : A
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