How do I fix Arc Detector Self-Test Failed (2x98) on a SolarEdge?

Power cycle fully (DC and AC). Then: Update firmware to current release.

SolarEdge

Error 152

Arc Detector Self-Test Failed (2x98)

Arc detection hardware failed its wake-up self test, arc protection not guaranteed.

Common causes

Internal hardware faultOld firmware

What to check

STEP 1

Power cycle fully (DC and AC).

STEP 2

Update firmware to current release.

Escalate if

Self test still failing, internal fault

Need full interactive diagnosis?

Faultpath walks you through decision trees, fault codes, and commissioning — built for solar & battery engineers.