Power Optimizer Troubleshooting - SolarEdge SE12.5K Installation Manual

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Power Optimizer Troubleshooting

Power Optimizer Troubleshooting
Problem
Pairing failed
String voltage is 0V
String voltage not 0V but lower
than number of optimizers
-Three Phase Inverter with Synergy Technology Installation MAN-01-00402-1.2
Possible cause and troubleshooting
Power optimizers are shaded.
If you connected the inverter to the monitoring
platform, retry pairing remotely (during
sunlight). Make sure to leave the inverter
ON/OFF switch ON and that S_OK appears in
the status screen.
Power optimizer (s) output is disconnected.
Connect all power optimizer outputs.
Power optimizer(s) not connected in the string.
Connect all power optimizers
Module(s) not connected properly to power
optimizer inputs (not applicable to smart
modules).
Connect the modules to the optimizer inputs
String reverse polarity.
Check string polarity using a voltmeter and
correct if needed.