How do I fix SenseConnect Safety Lock (S-Series) on a SolarEdge?

Check inverter firmware is 4.17 or higher, upgrade if lower. Then: Identify the flagged optimizer in monitoring and inspect and repair the connector.

SolarEdge

SenseConnect

SenseConnect Safety Lock (S-Series)

An S-Series optimizer detected rising connector temperature (developing hot joint) and locked production.

Common causes

Developing hot connector on an optimizer

What to check

STEP 1

Check inverter firmware is 4.17 or higher, upgrade if lower.

STEP 2

Identify the flagged optimizer in monitoring and inspect and repair the connector.

Escalate if

Always, the inverter must be unlocked by SolarEdge support

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