Power Optimiser Troubleshooting - SolarEdge SE K Series Installation Manual

66 Power Optimiser Troubleshooting

Power Optimiser Troubleshooting

Malfunction
Pairing failed
PV string Voltage is 0V
PV string voltage not 0V but lower
than number of Power Optimisers
Possible Cause and Corrective Action
Power Optimisers are shaded.
If you connected the inverter to the monitoring
platform, retry pairing remotely (during
sunlight). Make sure to leave the inverter
ON/OFF/P switch ON and that S_OK appears in
the status screen.
Power Optimiser (s) output is disconnected.
Connect all Power Optimiser outputs.
Power Optimiser(s) not connected in the PV
string.
Connect all Power Optimisers.
Panel(s) not connected properly to Power
Optimiser inputs (not applicable to smart
modules).
Connect the modules to the Power Optimiser
inputs.
PV string reverse polarity.
Check PV string polarity using a voltmeter and
correct if needed.
Three Phase Inverters with Synergy Technology