What the manual says
Manufacturer manualMains electricity is connected to the boiler
From this model's manual
Verified against the Baxi Boiler Solo 3 30 Pf installation & service manual.
DIY fix possible
Check that your room thermostat or programmer is calling for heatEnsure the boiler thermostat knob is turned to the desired temperature settingCheck that the gas supply is turned on
Find a Gas Safe engineer
Search the official register →
Boiler cover options
Avoid the next call-out bill
A cover plan would handle faults like Power LED Green: no call-out fees, no surprise bills.
Approved partner
Get a quote →
Domestic Appliance Guard
Unlimited call-outs, 24/7 helpline, no price-hike promise
Affiliate links. We may earn a commission at no extra cost to you.
All 23 fault codes on the Solo 3 40 PF
Seeing a different code? Every code this model can display, in one place.
Boiler On (Orange LED)Boiler On light onBurner LED GreenBurner On light offFan/Flue LED GreenIndicator light inside box litLights: Flash Flash OnLights: Flash Off FlashLights: Flash Off OnLights: On Off FlashLights: On Off OnLights: On On OnLockout light onOverheat (Red LED)Overheat indicator lightOverheat Neon IlluminationPeripheral / Pump LED GreenPilot On lightPilot On light onPilot/Ignition LED GreenPower On (Green LED)Red neon illuminated