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Thread: Phantom Overrides - Can anyone help?

  1. #21
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    Jul 2014
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    The HRxx has no static memory of setpoints or schedules. It relies on the controller telling it what to do. So when you power it up, it defaults to 20C until the next sync cycle when the controller tells it what setpoint is required.

  2. #22
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    Jul 2014
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    We have proven that a low battery causes the offending device to send out garbled messages that overwhelms the radio channel. This then causes a knock on impact on all the comms across the system. In one extreme example the entire system went down due to one device going low and then seemingly dead but was constantly sending out garbage. My latest advice is, don't try and extract every last bit of juice from your batteries. At the first sign of a low battery in your device, change it to a fresh pair and store the old batteries to use in remotes and clocks etc. It's not worth gambling with your heating system for a case of a couple of AAs.

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