Questions & Answers for: Honeywell carrier thermostat battery

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Question about Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater

1 Answer

Carrier system installed in 93. Installed a focuspro 5000 thermostat and had the unit charged and then this started. I just had to install a new contactor switch this week also. Any idea what is going

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Question about Programmable Thermostat Heater

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Blower on Carrier Crusader Gas Forced Air Furnace problem I have a 1989 Carrier Crusader,58ssc The blower motor sometimes will not work. It hums loudly. If it is turned off for an extended period of ...

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Question about Programmable Thermostat Heater

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...thermostat battery will not recharge. Original battery holder and rechargable AAA battery replaced. New rechargable batteries used. Clock will operate but ONLY until battery runs down. The themostat ...

Question about Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater

1 Answer

Where can I find a wiring diagram for a Honeywell RTH3100C themostat for a carrier heat pump / gas furnace? http://customer.honeywell.com/techlit/pdf/PackedLit/69-1889EF.pdf

Question about Programmable Thermostat Heater

1 Answer

...thermostat the fan kicks on for a couple of seconds then shuts off before my heat starts up. How can I get rid of this initial fan start up? Sounds like that is a 'prepurge" on your furnace. Remove ...

Question about Programmable Thermostat Heater

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thermostat. Honeywell has good dependable stats, so try and stay with them. If the price for one is off the wall, go with a White Rodgers, Hunter, Carrier, and just look them over good. Read to see if

Question about Programmable Thermostat Heater

1 Answer

I replaced the batteries, but it still says lo batt. the batteries are new in some thermostats it is required that you have a common lead hooked to Thermostat and back too the transformer in the air ...

Question about Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater

1 Answer

...battery. It's probably a AAA battery. The cover of the thermostat should just pop off. However, on some programmable thermostats, just opening the programming door will give you access to the

Question about CT3600 7 Day Electronic Programmable Thermostat Heater

1 Answer

...carrier bebonair 220 suddenly have a blank screen? Could be the battery in the thermostat needs to be replaced. Or the transformer on the wiring from the unit to the thermostat has failed. The ...

...thermostat keeps flashing low battery light stops working. Changed batteries multiple time. Works for a day or so. Cools fine but not sure if more serious issue.Single female. Keeps flashing low ...

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