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Thread: Rth9580wf - honeywell smart wifi thermostat

  1. #19
    Moderator - HVAC Thermostat Specialist

    Join Date
    Feb 2012
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    I do not see it as a function that is available on the consumer version of the thermostat. I do not know that 9580 will even show the outdoor temp on the thermostat. Again, the professional version has that function via wireless ODT.

     
     
  2. #20
    Having a similar issue with the same thermostat. At night, I set the thermostat to permanent hold of 70 degrees. Several hours later, I wake up and it is extremely cold in the house. The thermostat shows an internal temperature of 70 degrees, but when I checked the house temperature with a second the thermometer it indicated a reading of 65 degrees. The thermostat is not cutting the air conditioner off. I called tech support, in addition to being hard to understand (India), they provided no solution.

     
     
  3. #21
    Moderator - HVAC Thermostat Specialist

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    Tom... I believe there is an issue with the stat that HW is working on.... call again and ask for a supervisor who is familiar with the thermostat.

     
     
  4. #22
    Thank you.

     
     
  5. #23
    As long as I leave mine set to a permanent hold, it works fine. It is when I change temperatures that it doesn't seem to sense right.

    I noticed this morning that the color on my display was different than what I had it set to. As soon as I touched the screen it changed to the color I had it on before. I checked the version numbers and it appears there was a software update downloaded and it had rebooted. I wish they would post release notes somewhere.

     
     
  6. #24
    Moderator - HVAC Thermostat Specialist

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    Software update release notices would be nice.... I notice on my professional version (prestige) that around 2am every day my display changes colors but comes back on its own or when I touch the screen.


     
     

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