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Thread: Replacing Batteries - Rad-Thermostat not working

  1. #1
    Automated Home Jr Member
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    Default Replacing Batteries - Rad-Thermostat not working

    My batteries died in the bathroom radiator, and it took me a week or so to notice.
    Anyway, now changed, the screen firing back up, it recognises its the "bathroom" thermostat, and when I fully open the valve using the black disk it cycles.

    However, it's not coming on at the programmed times, I'm at a loss of what to do / what it could be, any suggestions please ?

    Cheers

  2. #2
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    Is the locking bit properly engaged? If you alert the temp manually does the valve does the control unit show the update?

    If the locking nut is working, then I would delete the zone and recreate, remembering to clear the binding not eh HR92 before you rebind.

  3. #3
    Automated Home Ninja
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    Quote Originally Posted by nigethechap View Post
    My batteries died in the bathroom radiator, and it took me a week or so to notice.
    Anyway, now changed, the screen firing back up, it recognises its the "bathroom" thermostat, and when I fully open the valve using the black disk it cycles.

    However, it's not coming on at the programmed times, I'm at a loss of what to do / what it could be, any suggestions please ?

    Cheers
    Funnily enough I'm having the exact same issue with a HR92. Batteries went low (but not completely flat), been replaced with new batteries and ever since it's doing what yours is. Remove the HR92, cycle the wheel backwards, reseat it and engage the lock. Valve then cycles as it should (so lock is working), but then fails to open or close on a temperature set point rise or decrease. I have already tried rebinding (Fully clearing the Binding) and a full reset on the HR92. Both seem to have achieved nothing, as still the same.

    Just in the process of trying obtaining a replacement under warranty.

  4. #4
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    Quote Originally Posted by nigethechap View Post
    My batteries died in the bathroom radiator, and it took me a week or so to notice.
    Anyway, now changed, the screen firing back up, it recognises its the "bathroom" thermostat, and when I fully open the valve using the black disk it cycles.

    However, it's not coming on at the programmed times, I'm at a loss of what to do / what it could be, any suggestions please ?

    Cheers
    Whilst I have had this problem a long time back and a simple rebinding cured it, there is another aspect to your post. It so easy not to spot a low battery warning. We don’t get them in the app and we should.
    Last edited by G4RHL; 28th November 2018 at 10:24 AM.

  5. #5
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    Quote Originally Posted by G4RHL View Post
    Whilst I have Name down this a long time back and a simple rebinding cured it, there is another aspect to your post. It so easy not to spot a low battery warning. We donít get them in the app and we should.
    Is there a simple (or complex) way to unbind it, to allow me to re-bind ?
    Having moved the black disk manually, the radiator works so there's no problem with the valve, it's either it's connection to the hub (maybe where the bind / unbind will help), or it's the head itself.

  6. #6
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    Pressing the white down for a few seconds takes you into the bind and unbind menu. Turning the end cap sets the options.

  7. #7
    Automated Home Ninja
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    Got the faulty HR92 replaced. New one Binded up fine and worked straight away.

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