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  1. E

    Testing

    A certain amount resistance passes through some multimeters this is why your boiler started working . Be safe get yourself some fused test leads and upgrade to a fluke.
  2. E

    Ideal Isar HE30 not heating water sufficiently.

    Could be an issue with diverter valve passing water on ch . to check simply open a hot water outlet and touch the heating return and flow pipes ( the 2 outer pipes ) beneath the boiler if they start getting warm you will need a new cartridge . simple job for a good RGI.
  3. E

    IDEAL Isar HE30 flashing L then E

    L E stands for internal error and so does H E . In your case Snadge the boiler must of been running when your tiler got a Zap , tripped out electrics boiler overheated (due to pump not overrunning) . L E not only stands for internal error but if the overheat stat opens will display same code...
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