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  1. T

    HSA 6400 not recognizing devices

    The devices are still listed apart from the one i removed to try and reset. I will check the log and see what i fine. many thanks.
  2. T

    HSA 6400 not recognizing devices

    The system is less than a year old i have tested the batteries but no problem there. I have not tried resetting the system to factory settings but only wanted to do as last resort.
  3. T

    HSA 6400 not recognizing devices

    Recently I accidently set off my alarm, I reset in the normal way but now none of my devices are recognized. I tried to do a walk test but when the I press the learn key on any of the devices the system no longer recognizes them. I have tried removing one of the devices but now...
  4. T

    ch pump very hot rads downstairs cold

    Many thanks for the info, not sure how to tackle the pump so may have to get a superior brain
  5. T

    ch pump very hot rads downstairs cold

    I have a Grundfos 15-50 pump - when central heating turned on gets extremely hot and pipe around pump are all hot. However rads downstairs are cold, rads upstairs are hot. I have flushed all rads downstairs with water to remove sludge etc. but still rads do not get hot. Have tried turning...
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