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Recent content by positist

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    vaillant pro 28 boiler not responding to receiver?

    So if i replace the receiver hopefully jobs a gud un! or is it not that simple?
  2. P

    vaillant pro 28 boiler not responding to receiver?

    if it is a stat problem, do you think it is repairable by trying the different jumper positions and changing the RF address codes or does the stat need replacing?
  3. P

    vaillant pro 28 boiler not responding to receiver?

    so if that happens (S30) then is it a stat or boiler problem?
  4. P

    vaillant pro 28 boiler not responding to receiver?

    Many thanks for your replies, I really appreciate your help. It's a Salus - Model RT500RF Do you think it's definitely a thermostat/receiver malfunction rather than a boiler malfunction? i wasn't sure because the receiver was communicating with the stat, as the green led lit up, requesting a...
  5. P

    vaillant pro 28 boiler not responding to receiver?

    The thermostat sends a message to the receiver to call for heat, the green led in the receiver comes on to send a message to the boiler to call for heat but the boiler is not responding? Does anyone know what may be wrong? The boiler still works and heats up when switched on manually but i can't...
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