Repair Riot

Dryer Won't Cut Off

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Quick answer

First, ensure the dryer door is fully closed and no items are blocking the door switch. Check the timer or control board for any malfunctions. If these steps don't work, you may need to inspect the door switch or thermal fuse.

Confirm the symptom

Tools and prep

Step-by-step troubleshooting

  1. Check the Door Switch
    Do: Locate the door switch, usually near the door frame.
    Observe: Inspect for any visible damage or wear.
    Means: Use a multimeter to test for continuity.
    Next: If the switch is faulty, replace it.
  2. Inspect the Timer
    Do: Locate the timer, often on the control panel.
    Observe: Check for any signs of damage or wear.
    Means: Use a multimeter to test for continuity.
    Next: If the timer is faulty, replace it.
  3. Examine the Control Board
    Do: Locate the control board inside the dryer.
    Observe: Look for any burnt or damaged components.
    Means: Use a multimeter to test for continuity.
    Next: If the control board is faulty, replace it.
  4. Test the Thermal Fuse
    Do: Locate the thermal fuse, usually on the blower housing.
    Observe: Check for any signs of damage or wear.
    Means: Use a multimeter to test for continuity.
    Next: If the thermal fuse is faulty, replace it.
  5. Check the Moisture Sensor
    Do: Locate the moisture sensor, often in the dryer drum.
    Observe: Inspect for any visible damage or wear.
    Means: Use a multimeter to test for continuity.
    Next: If the moisture sensor is faulty, replace it.
  6. Inspect the Control Thermostat
    Do: Locate the control thermostat, usually near the heating element.
    Observe: Check for any signs of damage or wear.
    Means: Use a multimeter to test for continuity.
    Next: If the control thermostat is faulty, replace it.
  7. Verify the Door Latch
    Do: Ensure the door latch is securely closing the door.
    Observe: Check for any obstructions or damage.
    Means: Manually test the latch to ensure it engages properly.
    Next: If the latch is faulty, replace it.

Common causes

CauseLikelihoodDifficultyPart often needed
Faulty Door Switch
The door switch signals the dryer to stop when closed.
CommonEasyDoor Switch
Malfunctioning Timer
The timer controls the duration of the drying cycle.
SometimesEasy–MediumTimer
Damaged Control Board
The control board manages the dryer's operations.
SometimesHardControl Board
Blown Thermal Fuse
The thermal fuse protects against overheating.
CommonEasy–MediumThermal Fuse
Faulty Moisture Sensor
The moisture sensor detects when clothes are dry.
SometimesEasy–MediumMoisture Sensor
Defective Control Thermostat
The control thermostat regulates the dryer's temperature.
RareMediumControl Thermostat
Damaged Door Latch
The door latch ensures the door is securely closed.
SometimesEasyDoor Latch

Parts matching

Ensure you have the correct parts before starting repairs.

Always check the dryer's model number to ensure compatibility with replacement parts.

When to call a professional

FAQ

Why does my dryer keep running even when the door is open?

This could be due to a faulty door switch or a malfunctioning control board. Check these components first.

Can I replace the thermal fuse myself?

Yes, replacing the thermal fuse is relatively easy. Ensure the dryer is unplugged and follow safety guidelines.

What if my dryer displays error codes?

Refer to your dryer's manual to understand the error codes. Common issues include faulty sensors or control boards.

How do I test the moisture sensor?

Use a multimeter to test for continuity. If it's faulty, replace it with a compatible part.