Error 47
SolarEdge Solar Inverter
Severity: ModerateWhat it means
Error 47 on a SolarEdge inverter means no grid is detected at the AC terminals — either the home has lost power, the AC isolator is off, or there is a wiring fault between the panel and inverter.
Check breakers and isolators first.
Affected Models
- SolarEdge SE3000H
- SolarEdge SE7600H
- SolarEdge SE10000H
- SolarEdge SE11400H-US
- SolarEdge HD-Wave
Common Causes
- Power outage at the home (no grid available)
- AC isolator switch off near the inverter
- Tripped AC breaker in the home electrical panel
- Damaged AC wiring between panel and inverter
- Failed AC contactor or rapid shutdown disconnect
How to Fix It
-
Confirm the home has utility power.
Check that lights and other appliances work in the home.
If the home is in a power outage, Error 47 is correct — the inverter cannot feed back into a dead grid (anti-islanding protection). -
Check the AC isolator switch.
The AC isolator is usually mounted next to the inverter.
Confirm it is in the ON position.
A switched-off isolator is the leading cause of Error 47 after maintenance work or pest tampering. -
Check the inverter breaker in the main panel.
Find the breaker labelled SOLAR, INVERTER, or PV in your main electrical panel.
Confirm it is ON.
A tripped breaker is reset by switching fully OFF then ON firmly. -
Check rapid shutdown disconnect.
Some installations include a rapid shutdown switch near the meter.
Confirm the switch is in normal/run position, not in the rapid-shutdown position. -
Book installer if breakers cannot be reset.
A breaker that immediately re-trips on switch-on indicates a wiring fault.
Do not force reset.
Book a qualified installer or electrician — typical service cost USD 150–300 for diagnosis.
Frequently Asked Questions
Will my SolarEdge restart on its own when the grid comes back?
Yes — once grid voltage and frequency return to spec for the reconnection delay (typically 60 seconds, longer in some countries), the inverter resumes automatically.
Anti-islanding protection prevents production into a dead grid; reconnection is automatic on grid recovery.
Why can't my SolarEdge keep running during a power outage?
Anti-islanding is required by every grid code worldwide — feeding power into a dead grid is dangerous to utility workers and incompatible with grid restoration.
To run during outages, the system needs a SolarEdge battery and a backup interface device that legally islands from the grid.
Discuss with your installer.