Question about Honeywell RTH6580WF Wi-Fi Thermostat
I have a Honeywell RTH6580WF Wi-Fi Thermostat that has "Cool On" or "Heat On" flashing. I watch it run it course and then it acts like it resets the thermostat and starts over. Its in an endless loop. I replaced the Dual Run Capacitor thinking that was the issue and it ran fine for an hour and went back into the "Heat On" flashing.
Posted by Anonymous on
Pull the power red wire off the thermostat and batteries out if it has battery backup, then reinstall...much like a computer restart. If this doesn't work, then replace your thermostat.
Posted on Jun 27, 2016
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Posted on Jan 02, 2017
According to the manual for the model series (see link), only the T8002 Model has batteries. They are accessed from the right side of the thermostat. See page 14.
Posted on Jan 10, 2015
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