Boiler Advice

Quick answer: The A21 fault code means your Worcester Bosch boiler has lost the radio signal between your wireless room thermostat and the receiver on the boiler. Nine times out of ten it’s flat batteries in the thermostat. This is one of the very few Worcester fault codes most homeowners can genuinely fix themselves, without […]

Quick answer: The F62 fault code (shown as F.62 on some displays) means your Vaillant boiler detected a flame still burning after the burner should have shut down. The control board saw a delayed flame switch-off and locked the boiler out to keep it safe. This is a gas valve, PCB or ignition electrode fault,

Quick answer: The F23 fault code (shown as F.23 on some displays) means your Vaillant boiler has detected too big a temperature difference between the flow pipe and the return pipe. The boiler has locked out on purpose to stop the heat exchanger cooking itself. In almost every case we attend across Edinburgh and central

The Baxi boiler h0207 error code means the heating system pressure has dropped too low and the boiler has locked out for safety. On modern Baxi models this appears as H.02.07 and signals that pressure has stayed below the safe minimum, usually around 0.5 to 1.0 bar, for long enough to be treated as a

The most common Glow-worm boiler error codes homeowners and landlords across Edinburgh see are F22 for low water pressure, F28 for ignition failure, F29 for flame loss during operation, and F75 for pump or pressure sensor issues.  These codes lock the boiler out until the fault is cleared, leaving the property without heating or hot

The most common Baxi boiler error codes seen by homeowners and landlords across Edinburgh are E119 for low water pressure, E133 for ignition or gas supply issues, E110 for overheating, E125 for circulation problems and E160 for fan faults.  These codes lock the boiler out until the underlying issue is addressed, leaving the home without

The most common Vaillant boiler error codes homeowners and landlords across Edinburgh encounter are F22 for low water pressure, F28 for ignition failure, F29 for flame loss during operation, and F75 for pump or pressure sensor issues.  These codes lock the boiler out until the fault is cleared, leaving you without heating or hot water.

The Baxi boiler e160 error code points to a problem with the fan or its wiring. Your boiler has detected that the fan is not spinning properly or at the right speed, so it shuts down to stop any risk of unsafe gases building up inside the home.  This is one of the more common