SolarEdge Error Code 153 — Ground Fault Detected

What Does This Error Mean?

Error 153 on a SolarEdge inverter means the inverter has detected a DC ground fault — an unintended electrical path between the solar panel DC wiring and earth. This is a safety fault that can create a fire risk or electric shock hazard. Do not attempt to reset the inverter yourself — this requires inspection by a licensed electrician.

Affected Models

SolarEdge SE2200H
SolarEdge SE3000H
SolarEdge SE5000H
SolarEdge SE7000H
SolarEdge SE10000H
SolarEdge StorEdge (all models)
SolarEdge Three-Phase Inverters

Common Causes

Damaged solar panel wiring — insulation worn through by roof edges, animals, or UV degradation
Water ingress into a panel junction box, connector, or conduit
MC4 connector failure — improperly assembled or damaged DC connector creating a ground path
Panel frame to wiring contact — damaged cable touching the grounded panel frame
Lightning or surge event damaging wiring insulation

How to Fix It

Do not reset the inverter.

The inverter has shut down to protect you and your home from a live fault in the DC wiring. Restarting it while a ground fault exists re-energises the fault path, which poses a fire and electrocution risk.
Turn the inverter AC disconnect switch to OFF.

The AC disconnect switch is usually mounted near the inverter. Turning it off isolates the inverter from the grid while you wait for an electrician.
Contact your solar installer or a licensed solar electrician.

Provide them with the exact error code (153) and any recent events — recent storms, hail, animals on the roof, or any known cable disturbance. This helps the technician target the inspection.
Do not access the roof or touch any solar panel wiring yourself.

Solar panels generate voltage whenever light is on them — even on a cloudy day. DC voltages in a typical solar system (300–600V) are lethal. Only a licensed electrician with appropriate PPE should inspect the system.

When to Call a Professional

Error 153 is a safety fault — do not attempt to reset or restart the inverter. Contact a licensed solar electrician or your original solar installer. Until the fault is found and repaired, the solar system should remain off.

Frequently Asked Questions

How common is SolarEdge Error 153?

Ground faults are more common on older systems (5+ years) where cable insulation has degraded from UV and heat exposure, or where initial installation left cables with inadequate protection from roof edges. On new systems, Error 153 can indicate a connector fault or a wiring damage from recent weather.

How long does it take to find and fix a ground fault?

Finding the fault requires systematic testing of the string wiring, which can take 1–4 hours depending on system size and roof accessibility. Once found, the repair (replacing a cable section or connector) is usually straightforward. Expect a full-day service call for a typical residential system.