Customer Questions and Answers for Dryer Timer Control by Whirlpool

Tommy, When testing for a possible timer failure in which there is no heat then you would want to disconnect one wire off the heater. If able to take the one that goes to the thermostat loose. You will then turn the dryer on and test from the disconnected wire with one lead and then touch any metal surface with the other to complete the circuit. If there is 120 vac then this means that the timer is sending power through the thermostats and to the heater. If there is not power then you will want to test each terminal on either of the thermostats to ensure that they are not bad. If you find power on one side of the thermostat but not on the other then the thermostat is faulty. If there is no power getting to the themostats then this will be a timer issue. If there is power at the disconnected wire, you will then want to take the lead off that wire and touch it to the elements empty terminal. If there is not 120 vac then touch the other terminal on the heater that still has the wire connected. If there is 120 vac at the wire that is still connected but not at the terminal with no wire then this would be a bad heater. If there is no power at either location then this would be a faulty motor. The motor has a switch in it for the heater that is built in and cannot be replaced separate of the motor.