Solis
E033

Relay Fault

Internal relay check failed. Relay may be stuck open or closed.

Relay wearSurge eventInternal fault
STEP 1
Power cycle inverter — AC OFF, DC OFF, wait 5 minutes, restore. Monitor for recurrence
STEP 2
Check for signs of surge damage — check SPD on AC and DC circuits if fitted
Fault persists after power cycle — relay hardware fault, contact Solis support
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E003
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E005
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