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My vaillant ecoTec plus shows F49 , new vrt 360

My vaillant ecoTec plus show F49 , new vrt 360 room timer, can't get them to work.

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  • marcinwalasi Aug 04, 2010

    Thanx Paulcarew. but I can't see the answer.
    Could you please try it again
    thanx

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F.49 eBUS undervoltage Short circuit on eBUS, overload on eBUS or two power sources on eBUS with different polarity F.61 Gas-valve control defective Short circuit/earth (ground) leak F.49 eBUS undervoltage Short circuit on eBUS, overload on eBUS or two power sources on eBUS with different polarity F.61 Gas-valve control defective Short circuit/earth (ground) leak i pasted the answer below hope it worked

Posted on Aug 03, 2010

  • Paul Carew Aug 05, 2010

    F.49 eBUS undervoltage Short circuit on eBUS, overload on eBUS or two power sources on eBUS with different polarity F.61 Gas-valve control defective Short circuit/earth (ground) leak F.49 eBUS undervoltage Short circuit on eBUS, overload on eBUS or two power sources on eBUS with different polarity F.61 Gas-valve control defective Short circuit/earth (ground) leak i pasted the answer below hope it worked

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