High
FAILURE AT POINT N on Worcester Bosch 24CDi BF

Your boiler is failing to restart the hot water burner once it has reached its maximum temperature and shut off temporarily.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

The burner does not re-ignite if the flow is increased again after the appliance shuts down as the domestic hot water temperature rises above the set level.

Engineer required

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

Find a Gas Safe engineer
Search the official register →

Related fault codes

Related guides you might find useful