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No heat from dryer

Heating element has been checked and is okay. Power is going to all the relays and switches. fuse is good. still element will not heat up.

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  • 148 Answers

Is it 220 volt dryer,if so check the plug at the wall and make sure you have 220,the plug runs off 2 circuit breakers at your electric panel,1 breaker may be no good so your only getting 110 volts to the dryer which will run the dryer but not the heating element

Posted on Jul 08, 2008

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jsrock516
  • 5911 Answers

SOURCE: my dryer is an estate whirlpool dryer does not

I'm assuming from the symptoms you posted, that the dryer does run, correct? If so, the fuse box may have checked out, but have you also checked for the correct voltage at the wall receptacle? A dryer will still run, but will not heat, if its missing a portion of the input voltage. The reason is that the drive motor only uses 120VAC to run, while the heating circuits need the full 240VAC service. If you are missing one leg of the input voltage, the dryer will exhibit the symptoms you describe. In addition, depending on when your home was built, some houses use two separate breakers that feed the 240VAC source the dryer needs to run. Have you checked to make sure there isn't more than one breaker that feeds the dryer? If you have checked for the correct voltage, have you also checked the continuity of the power cord to the terminal block? A broken power cord can give the same symptoms.

If the model number is correct, this is a very simple dryer to work on. There are no other switches or relays, other than the door switch and the built in centrifugal switch inside the drive motor. If the door switch were bad the dryer would not run at all. If the centrifugal switch in the motor were bad, the dryer may or may not run (depending on how it is faulted), which may give you the symptoms you describe.

When you checked the components, how did you determine they were good? If you need assistance (just to clarify your measurments), the following two links can give you some tips on how to troubleshoot this problem:


http://www.fixya.com/support/r3576548-dryer_runs_but_does_not_heat

http://www.fixya.com/support/r3574266-thorough_dryer_advice


I hope I'm not insulting your itelligence. I ask these simple questions, because they are things that can easily be overlooked. If you need further assistance, please post back and elaborate a bit more on your symptoms, so i can provide you with a more definitive answer. I hope this information was helpful to you.

Posted on Jun 30, 2010

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Check the following to address this issue.




1. No power to the dryer
Make sure there's power getting to the dryer. Check for tripped circuit breakers or blown fuses. An electric dryer uses two circuit breakers or fuses, and if only one of two is tripped or blown, the dryer might still run but not heat. Sometimes the power cord disconnects or burns at the dryer, if this is the case, the wiring and the terminal block must be repaired or replaced.

2. Heating element
A burned out heating element will show no continuity when measured with a meter. Replace the element if found defective.

3. Thermal fuse
Most dryers have a thermal fuse, which burns out when the dryer overheats, in which case the dryer will either not run at all or stop heating. The fuse is usually located on the vent duct, inside the dryer. A blown fuse will show no continuity when measured with a meter. Before replacing the fuse, make sure the blower wheel is not broken or clogged, and there is nothing blocking the venting.

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*#1-Thermal fuse that controls heat. If the dryer overheats, this fuse will blow. One shot fuse. Does not reset.
#2-Canister for the heater element.
#3-Hi limit thermostat. This thermostat is a safety thermostat in case the dryer severely overheats. When this safety thermostat is defective, it should raise a red flag for air flow problems.
#4-This is the terminals of the heater element that is inside the canister.
#5-Thermal fuse that controls motor run.
#6-Control thermostat. This is the thermostat that controls the cycling of the heater in high heat mode.
#7-Heater for low heat. When you select low heat, 110V is sent to this heater that the control thermostat sits in. The heater helps cycle the control thermostat faster, therefore you get less heat than the high heat mode.Things that could stop a electric dryer from heating:
- house fuse or breaker ( needs two of them ), heating element, burnt wire, thermostat(s), thermal fuse ( not all models ), motor heat switch, timer, selector switch, burnt power cord/plug.
A ohm meter test for these parts is here.


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