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.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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.

What the manual says

Manufacturer manual

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

From this model's manual
Verified against the Johnson Starley J32 System Et installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

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.

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