Emergency
Indicator light inside box lit on Baxi Solo PF

Your boiler has detected that the electrical wiring coming into the unit is connected the wrong way around, posing a safety risk.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Act immediately

Turn off your boiler and stop using gas appliances. Call a Gas Safe engineer now. This fault can be dangerous if ignored.

What the manual says

Manufacturer manual

Indicates that the live and neutral electrical connections are reversed.

From this model's manual
This code was read directly from the manufacturer service manual for this model.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

This is a emergency severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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All 30 fault codes on the Solo PF

Seeing a different code? Every code this model can display, in one place.

Boiler OnBoiler On (Orange LED)Boiler On light onBurner LED GreenBurner OnBurner On light offE01E03E24E26E26 186E26 219E26 221Fan OnFan/Flue LED GreenLockoutLockout lightLockout light onOverheatOverheat (Red LED)Overheat indicator lightOverheat Neon IlluminationPeripheral / Pump LED GreenPilot OnPilot On lightPilot On light onPilot/Ignition LED GreenPower LED GreenPower On (Green LED)

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