F.54 - Insufficient gas supply

What does F.54 mean?

There is not enough gas supply reaching the boiler to allow it to operate. This fault often appears alongside F.28 or F.29.

• One or more gas isolator cocks (valves) are closed.
• The gas flow pressure is too low for the boiler to operate correctly.
• The gas valve within the boiler is defective.

Click steps to track your progress.

1. 1

   Press the reset button on the boiler display up to three times to try and clear the fault.

2. 2

   Check that all gas isolator cocks (valves) leading to the boiler are fully open.

3. 3

   Ensure there is adequate gas flow pressure to the property and the boiler by checking other gas appliances or contacting your gas supplier.

4. 4

   If the fault persists, contact customer service as the gas valve may be defective or there's an issue with the gas supply.