If your Whirlpool dryer controls are unresponsive, the usual culprit is a worn or stripped control knob that no longer engages the switch stem — selector, timer, or control knobs can crack or slip and simply need replacing so the switch can turn. After the knobs, inspect the power cord next: a broken or burned cord or blackened terminals can kill the whole display or timer and make the dryer controls not respond. If the start button alone fails, or the dryer won’t start even with good knobs and power, check the thermal fuse for continuity with a multimeter and confirm the door switch is working; a blown thermal fuse will prevent the dryer from accepting commands. These problems are straightforward to fix once you identify the bad part, and RepairClinic carries the right replacement parts and step-by-step guides. Enter your model number on RepairClinic.com to find the exact replacement knob, power cord, or thermal fuse that fits your dryer and get the repair back on track.
01 - Whirlpool Dryer Selector Knob
A dryer selector knob needs to be able to engage and rotate the selector switch stem for that control to work. If the knob is cracked or stripped out and just slips on the stem a new knob will need to be installed to properly engage the switch.
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The dryer's timer knob needs to be able to engage and rotate the timer stem for the control to work. If the knob is cracked or stripped out and just slips on the stem a new knob will need to be installed to properly engage the control.
A dryer control knob needs to be able to engage and rotate the switch stem for that control to work. If the knob is cracked or stripped out and just slips on the stem a new knob will need to be installed to properly engage the switch.
If the whole dryer display or timer is not working, the dryer's power cord could the source of the problem. Inspect the cord for any breaks or burn marks near the terminals. If the terminals appear blackened or wires are exposed through the cord's insulation, you should replace the power cord with a new one.
A dryer control knob needs to be able to engage and rotate the switch stem for that control to work. If the knob is cracked or stripped out and just slips on the stem a new knob will need to be installed to properly engage the switch.
If just the start button is malfunctioning and you've confirmed the door switch is working properly, then it's possible the thermal fuse has blown. You can use a multimeter to test the fuse for electrical continuity. If the thermal fuse has no continuity, you'll know it has blown and will need to be replaced.