Service manual

22
Error code
E-16 (d-16)
Recovery method : C
Description Communication error.
Protection level ---
Activation time ---
Cause Noise interference
Check Confirm that the AC and PV terminal noise. If the noise is large beyond
acceptable. Turn off solar power conditioner immediately. Restart solar power
conditioner after noise is disappearance.
Case.1
Action ---
Cause The solar power conditioner display cable is disconnected.
Check Check the connection status of the cable between the solar power conditioner
and the display board.
Case.2
Action If the connector and the cable are not securely connected, connect them
again.
Cause Internal communications fail.
Check If the error message “E-16” appears frequently after restarting the solar power
conditioner, the communication circuit is in abnormal condition. If this error
occurs four times successively, “d-16” is displayed and the solar power
conditioner stops.
Case.3
Action Replace a new solar power conditioner.
Error code
E-17 (d-17)
Recovery method : C
Description Aux. power abnormal
Protection level ---
Activation time ---
Cause Noise interference
Check Confirm that the AC and PV terminal noise. If the noise is large beyond
acceptable. Turn off solar power conditioner immediately. Restart solar power
conditioner after noise is disappearance.
Case.1
Action ---
Cause Aux. power failed Case.2
Check If the error message “E-17” appears frequently after restarting the solar power
conditioner, the aux. power circuit is in abnormal condition. If this error occurs
four times successively, “d-17” is displayed and the solar power conditioner
stops.