Customer Questions and Answers for Dryer Temperature Switch by Whirlpool

Mark, You most likely have a problem in the Dryness Display Board 33002400 (it is no longer available) but first check and make sure you have a grounded, polarized 120 VAC outlet, Then check and make sure you have a neutral and power to the display board check for 120 VAC across the orange wire pin1 and white wire pin3 on the display board connection with the dryer running. Then check for 120 VAC across the orange wire pin1 and brown wire pin2 you should also read 120 VAC and the timer should advance. The display board controls the neutral circuit to the timer motor in all settings. If there is no neutral circuit to the timer, it wont advance or shut off at the end of the cycle. Be careful conducting the voltage checks, you don't want to short anything out or hurt yourself with a shock.