SolarEdge
P_OK Mismatch

Optimizer Not Communicating (P_OK count low)

One or more optimizers not sending telemetry. Production continues on the rest.

Optimizer connector issueString wiring faultFailed optimizer
STEP 1
Run pairing (monitoring Layout right-click, or SetApp/LCD).
STEP 2
Use monitoring Layout to locate silent optimizers and check their connectors and wiring.
Pairing and connector checks do not restore comms, optimizer replacement
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