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Thermostat doesn't seem to work. The heat and air don't work. Whats the problem?

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Hi,
Usually the first thing to look at is the 24v transformer in the furnace or airhandler, which ever you have...if this has blown or the fuse to it has blown then that will kill your t-stat...
Also check if your t-stat has batteries... if they are dead you are not working either...

heatman101

Posted on Aug 26, 2010

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My whirlpool dryer comes on and runs good but it wont get hot can you tell me whats the problem


Hello there and welcome to fixya there are several things that could make this dryer not heat up
Here are the most common things

Thermal Fuse

If the dryer doesn\'t heat, but the drum
turns, check the thermal fuse(s). The thermal fuse protects the dryer
from overheating and helps to prevent fires. If the thermal fuse is
blown, it will have to be replaced.




Enter your model number to see parts for your dryer.

Help me find my model number


Gas Valve Solenoid

The gas valve has two or more electric
solenoids which open the valve to let the gas flow into the burner
assembly. If the dryer doesn\'t heat one or more of the solenoids may be
defective. If the igniter glows for 90 seconds but the burner flame
doesn\'t light, replace these coils as a set.


Dryer Igniter


If the dryer doesn\'t heat, the igniter might
be burned out. Check the igniter for continuity with an ohm meter. Dryer
igniters burn out over time, similar to a light bulb.


Heating Element

The heating element on an electric dryer can
burn out over time. If the dryer doesn\'t heat, the element should be
checked for continuity. The heating element cannot be repaired and must
be replaced if defective.


Heating Element Assembly

the heating element assembly on an electric
dryer can burn out over time. If the dryer doesn\'t heat, the element
assembly should be checked for continuity. The heating element assembly
cannot be repaired and must be replaced if defective.

Flame Sensor



Gas dryers have a flame sensor to detect the
heat given off by the flame. If the dryer doesn\'t heat, the flame sensor
might be defective. Check the flame sensor for continuity. This is not
as common as a burned out igniter or thermal fuse.


High Limit Thermostat


Although not common, if the dryer doesn\'t
heat the high limit thermostat can be defective. It can be checked for
continuity. If the thermostat is "open" the dryer doesn\'t heat.


Cycling Thermostat




The cycling thermostat regulates the
temperature of the air in the dryer. If the dryer doesn\'t heat it may be
caused by a defective cycling thermostat. This is not common.


Main Control Board

The main control board is normally not at
fault when the dryer doesn\'t heat. Check all of the other components in
this troubleshooting guide before replacing the main control board. The
main control board cannot be tested easily and must be replaced if it is
defective.


Timer
The timer is normally not at fault if the
dryer doesn\'t heat. In many situations where timers are replaced they
end up being returned. Check all of the more common components in this
troubleshooting guide before replacing the timer

Oct 14, 2013 | Dryers

1 Answer

1990 lincoln town car 5.0 heater won't heat, but the fan and the air conditioner works fine, a new radiator was installed also before i bought it...engine don't seem very hot ..????


If the engine is not getting up to normal temp, I would replace the thermostat. Both heater hoses have to be hot to get heat inside the car.

Feb 03, 2013 | 1990 Lincoln Town Car

1 Answer

I just moved into a house with a Gaggenau EB 846-6. Light and fan work. Heating element doesn't seem to work in top or bottom 'socket'. Also, neither heating indicator light illuminates


since neither light is going on, then i believe that you either have a bad thermostat, or possibly that you only have half of the voltage going to it, and gaggenau doesn't have gas units so it doesn't have a glow bar like the previous guy said.

Jul 21, 2012 | Ovens

1 Answer

_don@hotmail.comthe heat control function doesn't seem to be working, the clothes get very hot regardless of setting. which device controls the temperature? Thanks for your help. Don


Hi ngentry don...
Your overheating problem is not caused by the thermostats...
Do the following:

Check and clean if necessary your vent hose.
If you vent hose "seems" to be clean then,try running the dryer with the vent hose off and see if the dryer is not running hot anymore.
Make sure your lint screen is in place and has no tears or holes in it and is still firmly attached to the frame.
If you are running too hot you are not moving enough air thru the system.
It could be that the fan blade is plugged up.
The problem could be a large lint ball build up in the center of the fan or a sock,thin pants,a pen,etc. that has gotten into the fan by falling down the hole where the lint screen is normally inserted.
You have to find the air restriction to solve the problem.
It also can be a loose or worn out blower wheel/fan.
Please take time to rate me.

Sep 05, 2011 | Dryers

1 Answer

I have a Brivis buffalo 26 unit...the heating is on but it's blowing cold air the pilot doesn't seem to be light but I don't know how to relight it!


Try adjusting your thermostat, contact point possibly melt and welded by electric sparks. Replace thermostat control if contact won't get open.

Sep 02, 2011 | Heating & Cooling

3 Answers

Whirlpool ggw9868kq .Ducts are clean, airflow is good. Drum rotates. Dryer warms up then heating stops. happens in both auto and timed cycles.


My whirlpool dryer Model GGW9896KQ2 seems to run ok but it doesn't seem to heat up properly and takes several cycles to dry clothes. I checked the exhaust vent and it seems to be blowing air out ok. Also, it appears the dryer goes to the cool down cycle way to early. In addition, the dryer will sometimes shut off before the time is acutally done. help--I don't want to spend money for a tech or even a new dryer. It's only 8 years old.

Aug 06, 2011 | Whirlpool GGW9868K Gas Dryer

1 Answer

The thermostat works fine for heat, but as soon as I switch it to cool, the air conditioning will kick is but the inside thermostat will not change, causing the air conditioner to run continuously


If the temperature doesn't drop when the air conditioning is running for some time (two hours), the air conditioner is not working. The problem is not in the thermostat.
Gary

Jun 14, 2011 | Honeywell CT500 Digital Heat / Cool Manual...

2 Answers

Problem with mitsubishi air roof units


to tricked the thermostat only a way i know,to put on it an ice cube for a while.propably wrong choice to installed roof unit you must installed to the floor better for the ac and to you

Dec 13, 2008 | Mitsubishi Mr. Slim MXZ30TN Air...

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