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I have White-Rodgers thermostat 1F90-51 Comfort-set II The light does not work when I push a button which makes it hard to see when it is dark. Can this light be repaired reasonably? I also have another one that has 1 battery contact spring that is broken. Can a new one be put in? If yes, where can this be done. (Everett, Wa.)

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Posted on Jan 02, 2017

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SOURCE: trouble code "malf" on my white rodgers thermostat 1F89-211

you need a new thermostat

Posted on May 07, 2009

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SOURCE: a duo therm thermostat (p/n 3105058) was removed

a. Remove the cover of the thermostat.
b. Connect the RED wire from the air conditioner
to the “RC” terminal on the thermostat.
c. Connect the “YELLOW” wire from the air conditioner
to the “Y” terminal on the thermostat.
d. Connect the “BLUE” wire from the air conditioner
to the “H” terminal on the thermostat.
e. Connect the “ORANGE” wire from the air conditioner
to the “G” terminal on the thermostat.
f. Push the thermostat wires into hole in wall and
fill excess hole with insulation.
g. Mount thermostat base to the wall with screws
provided.
h. Check all thermostat wires on base to ensure
they are completely clear of the bimetal coil of
the thermostat. Adjust if necessary.
i. Replace thermostat cover.
If nothing operates on the air conditioner, remove the
return air grille assembly and verify the red, orange, yellow
and blue wires are properly connected (red-to-red,
orange-to-orange, etc.).
Next, disconnect the red wires and check for 12 volt
DC between the red wire from roof section and the orange
or blue wire from roof section. If no voltage received,
refer to Section F2. If voltage is received, the
problem lies with the thermostat or thermostat wires.
Next, disconnect all 4 wires (red, orange, yellow and
blue) from the thermostat. With the thermostat set on
COOL mode, FAN mode set on AUTO and HIGH, and
temperature selector set lower than the room temperature. Check for continuity between terminal RC (red wire)
and terminal G (orange wire); and RC (red wire) and
terminal H (blue wire). If continuity is achieved on each,
proceed with the next step.
Set fan switch to LOW. Continuity should NOT be present
between terminal RC and Terminal H, but present between
the other terminals (Y & G) and terminal RC.
If all of the previous checks are good, the thermostat is
good, do not replace it. If any one of the previous checks
are not correct, replace the thermostat.

Posted on Jun 29, 2009

  • 587 Answers

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

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! "

  • 1 Answer

SOURCE: Duo-Therm Comfort Control Buttons Not Responding

Take your control apart to expose the buttons. The buttons are secured by small clips that can be removed by usimng a cross tipped screwdriver. When removing the buttons be care not to lose the small springs under the buttons. Once removed spray the contacts with contact cleaner and reinstall everything. I had the same problem and after performing this procedure the unit worked much better. Hope this helps.

Posted on Jul 30, 2013

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Does white Rogers thermostat 1f56n-444 have a reset button


White Rodgers 1F56N-444 User's Manual - ManualAgent

www.manualagent.com > White Rodgers Manuals > 1F56N-444
White Rodgers 1F56N-444 PDF User's Manual Download & Online Preview. ... Download Air Conditioners User's Manual of White Rodgers 1F56N-444 for free. .....Set anticipator to match the setting of your old thermostat you noted in Step 3, ..

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Thank you for your interest with Emerson White Rodgers. My Name is Joselito Laxamana from technical department.
- Check the wires on the terminals make sure that they are not loose
- Reset the unit by press time, up and down buttons make sure the systems is in on position.
- Set the system to heat then and raise the setpoint above room temperature. There may be up to five minute delay before the thermostat clicks in heating If the thermostat click this means its not a thermostat you have a problem with your heating equipment call your installer. If the thermostat did not click the unit should be replaced.
Let me know if you need anything else.

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I don't want to program the 1f85-275 thermostat, i will adjust when needed


Thank you for your interest with Emerson White Rodgers. My Name is Joselito Laxamana from technical department. To manually operate the unit just set the thermostat to heat mode and the fan to auto. Press the hold button one time then set you desired temperature.

Nov 15, 2012 | White Rodgers White-Rodgers 1F85RF-275...

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My wife placed the filter in the wrong way. Our White-Rodgers Thermostat is saying filter malfunction and showing a flame when I turned it to heat. I went and put the filter in the right way be the...


Thank you for your interest with Emerson White Rodgers. My Name is Joselito Laxamana from technical department. To better assist you with this contact us directly at 18002842925.

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I have a white rodgers 1F80-24 thermostat which has worked fine for years. Now all of a sudden the numbers and time on the display are all broken up making it hard to read. Any ideas on how to fix. Thanks


http://www.emersonclimate.com/Documents/White-Rodgers/instruction_sheets/0037-5287rev_E.pdf
This is the manual for your thermostat. You probably just have bad batteries. If you pull your thermostat shell off you should see batteries in the shell or base, further, if you have a blue wire in the wires that hook to base, make sure it's connected. The unit could be bad but, they count on the batteries for display and memory.

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Model 1f90w-51 the up down buttons stopped working this is a white-rodgers


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  • Hi, This is a good stat and I have used it alot in the past as it is a older model. If you have 24 volt control voltage at the stat, and the battires are good, then you have a malfuntion in the ciruitry and will need to replace it. I have sent you a ton of manuals on there products I thiught they may be helpful. Please dont forget to rate this post as I know you will be kind. I hope I have been of help to you.
  • Sincerely,
  • Shastalaker7
  • A/C, Heating Contractor

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Please assit with White Rogers Thermostat Manual 1FS97-374. Why Check STAT comes? Thank you, Kumar


The display will indicate CHECK STAT if one of the following occurs.
• One of the buttons is stuck down or in. Check buttons, make sure nothing is pushing them in.
• The thermostat sensor is not functioning. If using a remote sensor, check connections, wiring and power.
• The humidity sensor is not functioning.
After checking the above, press PROGRAM RUN to reset the display. If this does not clear the display, disconnect power and remove the batteries for five minutes.If these checks fail to solve the problem, the thermostat should be replaced.

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I need operating manuals for White/Rodgers


Please check the model number of the EAC?? Once you have that model number handy you can call this number 18002842925 they send you a softcopy of the manual to your email.

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