F.62 - Gas valve switch-off delay

What does F.62 mean?

The boiler has detected that the gas valve is taking too long to shut off, or the flame signal is lingering after shutdown.

• The ignition and monitoring electrode indicates a delayed extinguishing of the flame signal.
• The gas valve itself is defective.
• The main Printed Circuit Board (PCB) in 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

   Contact customer service immediately. This indicates a safety issue where the gas valve is slow to shut off, or the flame signal is delayed in extinguishing.

3. 3

   A qualified technician will need to inspect the gas valve, the ignition/monitoring electrode, and the main PCB for proper function.