Sharp JH-1600E Service Manual page 20

Check If the error message "F-02" appears frequently after restarting the solar power
conditioner, the frequency detecting circuit on the control circuit is in abnormal
condition.
Action Replace a new solar power conditioner.
Error code
F-03
Description Utility frequency under setting value
Protection level Less 47Hz [Parametr:46Hz / 47Hz / 48Hz]
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.
Check If the error message "F-03" appears frequently after restarting the solar power
conditioner, the frequency detecting circuit on the control circuit is in abnormal
condition.
Action Replace a new solar power conditioner.
Error code
F-06
Description Anti-islanding protection (frequency over)
Protection level ---
Activation time ---
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 The solar power conditioner stops unnecessary.
Check Confirm that the solar power conditioner restarts, and check the status when
F-06 occurs.
Action If F-06 occurs frequently, replace a new solar power conditioner.
Error code
F-07
Description Anti-islanding protection (frequency under)
Recovery method : A
Recovery method : B
Recovery method : B
19