High
FAN FAULT on Johnson Starley J32 System ET

Your boiler has detected a problem with the fan that clears exhaust gases, preventing the unit from starting up for safety reasons.

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

Does the wiring from the fan to the PCB have secure connections at both ends and has not deteriorated? Does the wiring have continuity?

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