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I have a programmable thermostat. The LED reads Replace batteries. The face plate has fan switch, a system switch, two arrow keys that are separated by three little function (set, hold, and run). HELP!! How do I remove the cover/face plate to replace the stupid batteries?

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There is a base plate that is screwed to the wall. The face of the thermostat should come off from the base. Usually the batteries can be found back there. Some times a little tug will get it off the wall. Other models have small plastic release clasps that when pushed in will allow the unit to come off.

Posted on Jun 30, 2008

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My furnace wont turn on.changed batteries but still doesnt turn on! there doesnt seem to be "option" for "HEAT" on screen

If you have recently changed your thermostat to this one, It may not be compatible with your system. If you have a heat pump system, your thermostat will not work with a heat pump. You will have to install a thermostat that is compatible with a heat pump.
-Said that, assuming this has worked in the past during the heating season, some times the switch slides on these thermostats are fairly tempermental in that the switch slide contacts inside the control board sometimes do not make contact and if jostle around a bit, will maybe make contact. You can also remove the front plate from the base plate and check the wire are properly attached and not loose. While you have it off, check the hg he switch to make sure it is selected properly. If you have a gas or oil furnace it should be in hg. If you have electric heat it should be in he.
Depending on the age of the thermostat, you may need to get a new one because of the slides do wear out and tend to give unreliable performance. If you replace the thermostat, may I recommend you get a Honeywell built thermostat. Many of the cheap thermostats are cheap and poorly constructed and become unreliable. On cold days or hot days air conditioning is essential for comfort, and the money spent for a good thermostat is money well spent.
Hope this helps.

Dec 20, 2014 | Hunter Set and Save Programmable...

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Honeywell focus pro 6000 thermostat

Right below the w setting on the base plate is the o/b connection. Put the O wire in this slot. During the initial test for heat and cool, the bias for cool for function 2 is 0 and for heat it is 1. To reach the programming press fan and Up arrow. Press next to reach function 2. Be aware the the O wire is energized and operates the reversing valve. Some manufacturers energizes the reversing valve to go into cooling, and some leave it deenergized to be in cooling. Select either 0 or 1 to make the system perform in the correct mode.
Hope this helps.

Jul 25, 2014 | Honeywell Focus Pro 6000 Programmable...

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My air conditioner has started changing the mode setting by itself at random times shortly followed by the fan type. Also, it will randomly change from the lowest setting (61 degrees) and shoot all the way...

If this is a system with the thermostat separate from the unit itself, check the batteries. NO batteries, then check the jumped red wire on the thermostat sub-base, which is under the face plate. Gently pry it apart.

Aug 22, 2013 | Haier Heating & Cooling

1 Answer

I have a programmable thermostat Noma - the screen has gone blank ... does it require batteries ... I can't see any place to put batteries in it ... any ideas??? My heating is out of control and I...

Yes most today do take 2 AA batteries. Just look at the bottom of the stat and look for the area to separate the front from the rear plate.

Jun 26, 2011 | Heating & Cooling

1 Answer

I have an White-Rodgers 1 F80-224 Programmable Electronic Digital Thermostat. 1. How do I stop the temperatue and time from flaching? 2. Our Heater turns it self OFF and ON again about every 10 minits...

Is the thermostat battery operated, if so replace the batteries and see if that helps. failing that I suggest that it is signaling a fault. Check around the unit, Are the filters clean, Is the furnace lighting up or is it only the fan that is turning on. Are you in Summer, is the roof space hot and causing the system to turn on in a n attempt to cool down. When I read your note again It does sound as though you have a thermostat fault. If the thermostat is a battery operated unit, you would find that it has a relay contact that makes or breaks a circuit to switch the heater on or off. If this is so you probably only have two wires going between the thermostat and heater, Agin if this is so and only if this is so, disconnect the thermostat, remove it, and twist the wires together that go to the heater. Turn the power back on and see if the heater runs ok . If all is normal then the thermostat is faulty. If there is more that 2 wires going to the heater I suggest that the fault is in the heater itself (indicated by the fault signal) and a trained serviceman is needed. Maybe the gas pressure is low, fuel filters dirty, faulty fan capacitor,?????

Feb 24, 2011 | Heating & Cooling

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My central heating is on lockout and the burner is with red light

A sampling of various codes on a furnace

Read one LED flash that stays on continuously to mean your furnace has no signal coming from the thermostat and will not operate. Turn the power off and check the thermostat for improper settings or connections.

Interpret one LED flash that blinks on and off to mean your furnace has locked out because it could not ignite after three tries, and must be reset. Interrupt power to your furnace for 20 seconds or lower the thermostat so your furnace does not try to heat, then reset the thermostat to the previous setting. After one hour of lockout, your furnace will automatically reset itself and try to operate as usual.

Decipher two LED flashes to mean the draft blower is not working, or your furnace has a short in the pressure switch circuit. Turn off the furnace power and repair a short or replace the pressure switch.

Read three LED flashes to mean your furnace has an open pressure switch circuit or it has an induced draft blower operating. Check the pressure switch hose of your furnace for blocks or an improper connection. Also, look for blockages in the flue, and tighten any loose wiring.

Translate four LED flashes to mean your furnace has a primary limit circuit open, possibly from loose wiring or blocked filters. Check and clean filters, tighten wiring and check the flue for blockages.

Interpret five LED flashes to mean your Goodman furnace senses a flame without a call for heat. This could be from a gas valve closing slowly or a burner flame lingering.

Read seven LED flashes as a warning of a low flame sense microamp signal. This could happen with a coated flame sensor or a lazy flame from poor gas pressure. Turn off the power and adjust the gas pressure according to the information on the rating plate.

See eight LED flashes as meaning an igniter circuit problem due to a bad igniter or an igniter connected improperly. Replace the bad igniter or check the ground wiring, making necessary corrections.

Decipher nine LED flashes to mean the high-stage pressure switch circuit will not close during a high-stage-induced draft blower operation. Your furnace may have a pinched or blocked pressure switch hose, a blocked flue or loose wiring.

Read continuous flashing on the LED to mean your furnace has a reversed polarity of 115 volts. Turn off the power and correct the wiring polarity after reviewing the wiring diagram.

Dec 02, 2010 | Heating & Cooling

1 Answer

Bryant programmable thermostat will switch on furnace

Turn the power off to the Air handler unit.
Remove the thermostat from the wall, (Just the face part).
Look on the back side of the thermostat and verify that the jumpers are set to electric and not gas, otherwise the fan will not run during heat mode, they come from the factory usually set for gas.
If this is a electric heater this will solve your problem, If it is gas then it will be more detailed. Once you put it back on keep in mind that most thermostats have a 3-5 minute delay so just give it a little time and the fan should then work once you have the jumpers in the correct position.

Thank you for using FixYa!

Nov 17, 2009 | Bryant Heating & Cooling

1 Answer

Programmable A/C thermostat has power but shows no temp.

Check power totast. Float switch sometomes kills power to stat. Check drain.

Jun 08, 2009 | Heating & Cooling

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