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We have a White-Rodgers 1F80-51. The fan blows

We have a White-Rodgers 1F80-51. The fan blows continuously... even when on automatic and we turn the temperature above room temp. Any suggestions?

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Usually when the furnace blower motor runs all the time
The limit switch or rollout switch is usually open or bad.
The furnace board is seeing that one of those switches is open, so it brings the blower on to try to get the heat out of the combustion chamber area, so the switch will close. But if the switch is bad and won’t close, the furnace board will keep the blower running continuously.

Posted on Jun 01, 2010

Testimonial: "Thank You blvl777! This does make sense and gives me a good direction to go in. I'll see if the manufacturer has a replacement part. If not then I'll apparently need to purchase another thermostat. You've been a Great Help blvl777 and Thanks Again! "

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Posted on Jan 02, 2017

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I have a 1F81-51 White-Rodgers thermostat that keeps resetting itself back to the factory default settings. I've chnaged the batteries, but it continues to automatically reset itself after I have...


I had the exact same problem. Even pressing the Hold button does not really help, because once it resets - the Hold temperature also changes to the default.

I fixed this by replacing the 470 micro-Farad / 10v capacitor in the unit (it's the grey-colored capacitor). To access the back of the circuit board, you will need to break 2 plastic rivets holding the front of the unit to the base.

After replacing the capacitor I've not had any resets for the past 3 days (it used to reset itself every couple of hours).

Hope this helps.

Noel

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I have a w-r themostat and i can not turn the fan off. the ac is off and the thremo is off but the fan keeps running. how do i turnit off.


If you open the bottom swing door you will see a switch on the left that says Fan On/Auto. Make sure it is in the Auto position and the fan should cycle on and off with the equipment.

Tim Burke, White Rodgers Employee
Email me with further questions at tim.burke@emerson.com

Aug 19, 2010 | White Rodgers White-Rodgers 1F85RF-275...

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The thermostat is a White-Rodgers 1F82-261. We have the very same thermostat on both the upstairs and downstairs systems. Both thermostats have all settings set exactly alike. The upstairs system has...


Steps that you need to do.
First is to reset the unit by pressing the reset button for two seconds right below the fan switch.
Second is to re- program the thermostat correctly, make sure that the unit work fine when the thermostat has been bypass.
Then monitor the thermostat operation, I think this will resolved the problem. If you need further assistance call this number 18002842925.
I have attached the link of the MANUAL

Jun 01, 2010 | White Rodgers White-Rodgers 1F85RF-275...

1 Answer

I have the thermostat set for 70 degrees on the white rodgers programmable thermostat. The heat runs until the room is 70 degrees, but then the heat stops and the room cools off and the heater doesn't kick...


Based on your explanation this is an erratic operation of the thermostat, first thing that you need to check is the wiring make sure that all the wires are proper looped on the under terminals then reset the thermostat if the problem still persist I think you need to replace the thermostat. If you need further support call the homeowner techline 18002842925.

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What were each wire connected to on the white rodgers? The connectors on the white rodgers should have markings. Tell me this and I can tell you how to wire your new stat. This hunter will not work with multi stage heat pumps..so I need to know what was connected to what on the white rodgers to know what type of unit. Thanks Kevin

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give me the wire colors from the white rodgers and how they are connect to the white rodgers .. The white rodgers should be marked on the back where the wires connect. I can then tell you where to hook each wire to on the hunter.

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