If your Whirlpool 29 inch electric dryer is not heating. You will need to check the following parts until you find out the part that needs to be replace to fix the dryer.
Here I am going to give you a brief description of the parts you need to check, and below you will have the links to the pages with the videos that will show you how the repair is done.
A not drying Whirlpool 29 inch electric dryer could be cause by any of the following parts and you need to check them one by one until you find out which one is causing the problem.
Taking the dryer part: The first thing you will need to learn to be able to easily repair your dryer is how to take it apart and how to put it back together again properly. Once you learn how to do that, the repairs will be very easy to do.
Voltage at terminal block: If the dryer is running ok but is not producing heat, the first thing you need to check is the voltages at the terminal block. With a multimeter and the dryer connected to the wall outlet you need to check the voltage between the terminal with the black wires L1 and the terminal with the red wires L2.
The voltage should be close to 240 ac volts. Click on the link below to see how to check the voltages at the terminal block properly.
Power cord: Cord burnt or broken wires at the terminal block could prevent the dryer from working properly. There are 2 types of power cords, the 3 prongs on the older dryers and the 4 prongs on the newer dryers. Check the links below to see how to check and replace the power cords.
Timer not heating: Bad timer contacts could be the reason why is the dryer is not producing heat. With time and usage the contacts will burn out and won't be able to close the circuit for the dryer to heat up.
Thermal cutoff thermostat: This thermostat is used as a safety device to open the circuit if the heat element housing gets hotter that 305 degrees Fahrenheit. This will only happens if there is a restriction on the airflow from the inside to the outside.
Operating thermostat: A bad cycling thermostat could be the reason why your Whirlpool 29 inch electric dryer is not drying the clothes properly or not drying at all.
This thermostat is used to control the temperature inside of the tumbler. It is rated at 155 degrees Fahrenheit plus or minus 20 degrees.
This thermostat could be working ok eclectically, but not opening and closing at the proper temperature. If your dryer is not heating at all, you will need a multimeter to check for continuity in the thermostat.
Hi limit thermostat: This thermostat is used to open the heater circuit if the thermal cutoff fails to blow and open the circuit.
The heating element: This is the unit that gets red hot when electricity pass through the coiled wire to produce heat to dry the clothes.
Motor centrifugal switch: The motor could run ok to turn the dryer tumbler around, but if the centrifugal switch doesn't connect the M1 and M2 red wires, the dryer will not heat at all.
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