Unknown
Mains ON Only on Potterton Suprima

Potterton Suprima fault code Mains ON Only

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

What the manual says

Manufacturer manual

Green LED OFF, Red LED ON

From this model's manual
Verified against the Potterton/Potterton Prima 30b 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 fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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All 9 fault codes on the Suprima

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

BlockingBoiler Temperature Control SatisfiedEarth FaultExt. Call for Heat (Boiler set to STNDBY, Temp. Control set to 'O' Off)Ext. Call for Heat (STNDBY switch to ON, Temp. Control set to Max.)FLAME DetectedIgnition (i.e. Gas and Sparks ON)Lockout

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