Siemens IQ300 SN26M890GB/28 Error Code 21

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Viewing 6 posts - 1 through 6 (of 6 total)
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  • September 16, 2014 at 9:22 am #82240
    spiralsmile
    Participant

    Hi there,

    What does Error code 21 mean – as far as I understand its the circulation pump fault.

    Are they expensive and or difficult to fix?

    Regards

    tony

    September 16, 2014 at 4:28 pm #419260
    Martin
    Participant

    Re: Siemens IQ300 SN26M890GB/28 Error Code 21

    spiralsmile wrote:What does Error code 21 mean –

    Blockage in circulating pump.

    September 16, 2014 at 6:08 pm #419261
    spiralsmile
    Participant

    Re: Siemens IQ300 SN26M890GB/28 Error Code 21

    Martin, is there a simple fix? Or is it a remove and replace?

    September 16, 2014 at 6:33 pm #419262
    Martin
    Participant

    Re: Siemens IQ300 SN26M890GB/28 Error Code 21

    Remove and check the impeller. If blocked then clear it, if impeller damaged then new motor best option.

    September 16, 2014 at 6:58 pm #419263
    spiralsmile
    Participant

    Re: Siemens IQ300 SN26M890GB/28 Error Code 21

    Cheers Martin,

    Is there a good walk through of the operation out there?

    September 16, 2014 at 8:32 pm #419264
    spiralsmile
    Participant

    Re: Siemens IQ300 SN26M890GB/28 Error Code 21

    Ye olde, hosepipe! Where would we be with out it. Shoved it up the circulation pump inlet with tea towel to seal it. Ramped up pressure and this has seemingly solved the issue without removing anything.

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