If your Haier dryer won't start, the most likely cause is a blown thermal fuse from restricted venting, so check the exhaust and test the fuse for continuity with a multimeter before replacing it. Next confirm the door is fully closed and nothing is blocking the latch, since the dryer will not start with the door open. If the dryer does nothing at all, the start switch can be at fault; if the motor hums but the drum does not turn, the start switch is probably OK and the problem may be further down the drive train. Listen for the door switch click when you close the door and test that switch if you don’t hear it. A faulty control board can prevent voltage from reaching the motor, so inspect the board for burn marks and test for output voltage. Finally, check the blower wheel and blower housing for an item of clothing stuck against the wheel, which can cause the motor to hum and the dryer not to turn. Enter your model number on RepairClinic.com to find the exact replacement part for your dryer.
01 - Haier Dryer Thermal Fuse
The thermal fuse is a safety device designed to protect the dryer from overheating. The fuse is located on the blower housing or at the dryer’s heat source such as the heating element on electric dryers or at the burner on gas models. The fuse should be closed for continuity meaning it has a continuous electrical path through it when good. If overheated the fuse will have no continuity meaning the electrical path is broken and the fuse has blown. A multimeter can be used to test it for continuity. Be aware that a blown thermal fuse is an indication of a restricted exhaust vent from the dryer to the outside. Always check t...he dryer venting when replacing a blown thermal fuse.
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Since the dryer will not start with the door open, confirm the door is fully closed and remove anything that is obstructing the door.
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03 - Haier Dryer Start Switch
To determine if the start switch is defective, attempt to start the dryer. If the dryer hums but does not start, the start switch is not at fault. If the dryer does not respond or make any noise, the start switch could be at fault. Use a multimeter to test the start switch for continuity. If the switch does not have continuity, replace it.
The door switch activates when the dryer door is closed. On most dryers, the door switch makes an audible clicking sound when it activates. To determine if the door switch is working, try starting your dryer and then listen for the “click.” If the door switch makes a clicking sound, it is probably not defective. If you don’t hear a click, use a multimeter to use the door switch for continuity. If the switch does not have continuity, replace it.
A dryer's control board controls the voltage being sent to all of the appliance's electrical components. If the board is defective, it may not allow the dryer to start. You can inspect the board for signs of damage or a shorted component. You can also use a multimeter to test for voltage reaching the drive motor after reviewing the dryer's wiring diagram.
If the dryer won’t start, an article of clothing may have gotten past the lint screen and is caught in the blower wheel. When this happens the drive motor will either hum but won’t start or will make a lot of noise when trying to start. The blower cover will need to be removed to check for obstructions. If the blower wheel is damaged it will need to be replaced.
Common
Frequently Asked Questions
My dryer won't start. What should I check first?
Dryer drum not turning but motor hums. What's causing that?
Dryer making grinding noise when drum turns. How do I fix it?
Dryer starts then stops after a few seconds. Why does it do that?
How do I enter my model number or part number on RepairClinic.com to find the right replacement part?