Honeywell WiFi thermostat power flickers on and off


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Old 05-25-18, 09:23 PM
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Honeywell WiFi thermostat power flickers on and off

I just installed a WiFi thermostat and I am not having constant power. The thermostat will power up, but when I go to adjust the the time and date to set it up it loses power, then a little while later power comes back. Also if I play and jiggle the thermostat will power on and off.

I am trying to figure out if it is a "C" wire problem or if I may have a defective thermostat.

Thank you for help!
 
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Old 05-26-18, 08:15 AM
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I would recheck the wire connections to the thermostat and verify that the mounting screws haven’t damaged the stat wire before trying to exchange the stat.
 
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Old 05-27-18, 08:16 AM
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Problems with Honeywell WiFi thermostat

I am have problems installing a wifi thermostat. I am not getting constant power causing the screen to turn on and off. I tested all the connections and they all show 26v. Honeywell said my thermostat may be defective but I am having the same priblem with a second thermostat. Any suggestions?

thank you!
 
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Old 05-27-18, 11:18 AM
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Does this problem only occur when batteries are not installed in the thermostat?
 
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Old 05-27-18, 11:33 AM
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Please tell us the model # of your thermostat.
 
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Old 05-27-18, 08:05 PM
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Threads combined. A single topic stays in one thread.
 
 

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