Installation Guide

Power Optimizer Troubleshooting
Iftheinverterstatusscreenindicatesthatnotallpoweroptimizersarepairedornotall
arereporting(P_OKxxx/yyy,andx<y),thoseoptimizerscanbeidentifiedthroughthe
LCD.Refertohttps://www.solaredge.us/sites/default/files/non_reporting_power_
optimizers.pdf
Problem
Possible cause and
troubleshooting
Pairingfailed
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.
Stringvoltageis0V
Poweroptimizer(s)outputisdisconnected.
Connectallpoweroptimizeroutputs.
Stringvoltagenot0Vbutlowerthannumberofoptimizers
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.
Single Phase Inverter with HD-Wave Technology Installation MAN-01-00306-1.1
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Power Optimizer Troubleshooting