Haier
Start Circuit / Safety Interlock Fault
Haier dryer powers on but will not start when Start/Pause is pressed
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Defective Start/Pause button, Faulty door switch, Blown thermal fuse, Failed main control board relay
How to Fix / Troubleshooting
Safety first: Unplug the dryer before accessing internal components.
- Check display messages: Ensure no error codes or child lock indicators are active.
- Verify door closure: Close the door firmly and listen for the latch click. Try holding the door closed while pressing Start.
- Test door switch: Access and test the door switch with a multimeter for continuity when closed. Replace if faulty.
- Check thermal fuse: A blown thermal fuse can prevent the dryer from starting. Test and replace if open.
- Inspect Start button: On models with mechanical buttons, ensure the switch actuates properly. On touch panels, UI board faults may require replacement.
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Repair Difficulty
Medium
3/5
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