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spark generator

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    Potterton Powermax HE - A01 fault

    I'm having a ignition fault on my Powermax HE boiler with error code A01. There is no 'visible' spark being generated on the ionisation probes (tested on new and existing probes - 3 different units, all gapped at 3mm so the fault isn't here). However the output from the PCB is registering 180v...
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