althou potentiometer tested fine (within limits stated in manual) i replaced this with a new one and it works do not understand why but do not care it works.. cheers all.
i have a baxi bermuda inset 2 back boiler 50/4 e which will not ignite.
i have checked all elec connections and the permanent live indicator lights, and also the switched live indicator lights but no ignition. i have tested and changed the thermostat sensor as this was faulty but still no...