When the temperature in my garage gets extremely cold and I turn the thermostat on to heat, nothing happens. All I see on the digital display is LO. I don't see the "heat on" display. If I remove the thermostat from the mounting plate and jump the wires the heater works fine and I can even put the thermostat back to its mounting plate and will continue to work OK. Normally works OK when the temp inside does not go below 32 degrees in the garage. Thanks, Pete
SOURCE: wiring diagram to connect programmable Thermo to Heat Pump
I don't know if this will be helpful or not, but I just installed a new Honeywell and the Honeywell customer service guy helped me get the wires done correctly. The number is 800-468-1502.
SOURCE: Honeywell CT3611 thermostat, not working..
if you cross the two wires and you see a slight spark and heat comes on, then the problem is in the thermostat, if not then problem is at furnace it self.
SOURCE: No display on Robertshaw 9600; unit seems dead/furnace works
Hello
you have to have a thermostat! The thermostat tell the unite what to do. Get a new one.
Testimonial: "A+A+A+ Good attitude!"
SOURCE: my thermostat quit working
I work alot with the Honeywell thermostats and in the past couple of years I have seen the Vision Pro thermostats have some fail issues. There is a 5 year warranty on these thermostats so you should'nt have to pay for a new one if it's under 5 years old.
SOURCE: Honeywell RTH2310 thermostat temp variance
Hi,
Yes you can change that by change the number of cycles per hour that your t-stat looks from for youe furnace. Lower the cycles per hour number and it will increase the range.
You can see how to do it here
http://dl.owneriq.net/3/39359643-dfda-451d-bb81-828eecddd9fc.pdf
I hope that this will help you to solve your problem!
Thanks for using Fixya!!
Heatman101
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