Siemens SN65M031GB/03

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  • January 26, 2016 at 10:32 pm #87422
    ChrisR
    Participant

    Hi guys.

    Got one of these with a no heat fault.
    Replaced module and it seems to get warm but not hot.
    Are there any known faults on these or has anybody had a similar problem.
    Thanks.
    Chris.

    January 27, 2016 at 7:35 am #434804
    Martin
    Participant

    Re: Siemens SN65M031GB/03

    I have to ask, have you checked the heater element?

    January 27, 2016 at 8:25 am #434805
    ChrisR
    Participant

    Re: Siemens SN65M031GB/03

    yes it was ok. Earth testing was ok.
    It’s a strange one.
    The water appeared tepid(it’s a cold fill) but never hot.
    I’ve rechecked connections etc.
    Do you think the heater may be at fault?
    Thanks Martin

    January 27, 2016 at 8:55 am #434806
    Martin
    Participant

    Re: Siemens SN65M031GB/03

    Did you change the module because of a no heat fault?
    What error codes came up?
    You should have readings of 10.5? and 21? across the heater terminals?
    10K? and 20K? across the Heat pump NTC at ambient.

    January 27, 2016 at 9:34 am #434807
    ChrisR
    Participant

    Re: Siemens SN65M031GB/03

    Yes module changed because of no heat fault.
    No fault codes and readings you supply are slightly
    higher than what I got

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