Potterton error codes and what they mean · Andorra

All 2 Potterton fault codes in one table: what each one means, how serious it is and when to call a pro.

CodeApplianceWhat it means
E119gas boilerThe heating system water pressure is too low, usually because of a slow leak or water lost from the circuit.
E133gas boilerThe boiler failed to ignite (no flame detected) and has locked out as a safety measure.

Appliance fault codes by brand

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