High
NO FAN RUN on Potterton Promax 15 HE

Your boiler has temporarily stopped working because it has detected an issue with the internal water flow and circulation system.

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

Fault occurring when the pump feed (P/F) is not 230V for 1 minute every 4 minutes

From this model's manual
Verified against the Potterton/Potterton Kingfisher Mf 40 100 System 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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Related fault codes

E119View →E133View →

All 15 fault codes on the Promax 15 HE

Seeing a different code? Every code this model can display, in one place.

DRY-FIRE LOCKOUTE06E06 058E06 059E06 060E06 065E06 066E06 074E06 075E06 085E06 091E06 093E06 097IGNITION LOCKOUT

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