Tumble Dryer Won’t Start
When your tumble dryer won’t start, it can be a frustrating experience. However, there are several potential causes for this issue, and understanding them can help you troubleshoot the problem. Here are some of the most common reasons why your tumble dryer might not be starting:
1. Power Cord Issues
The first thing to check when your tumble dryer won’t start is the power cord. Ensure that it is properly plugged in and directly connected. If the cord is melted or discoloured near the metal prongs, this could indicate that the cord is overheating. Also, a tumble dryer requires a lot of electricity to operate, so it may have tripped the breaker when pulling the necessary power. If there’s any damage to the power cord, it needs immediate attention.
2. Thermal Fuse Problems
The thermal fuse is a safety feature designed to prevent overheating. When the thermal fuse blows out, the tumble dryer won’t start. This is one of the most common tumble dryer problems. If this happens, the fuse will need to be replaced before the machine can be used again. The thermal fuse on most models can be found near the exhaust vent on the back of the tumble dryer.
3. Defective Thermostat
The thermostat is another tumble dryer part that helps regulate temperature. If the machine gets too hot at any point during the cycle, the thermostat is designed to turn off the heat until the machine can cool down again. If the thermostat fails, it cannot properly detect the machine’s temperature, thus causing the machine to overheat and the thermal fuse to trip.
4. Terminal Block Failure
The tumble dryer’s terminal block is where the power cord connects to the machine’s internal wiring. If the terminal block fails, the machine will not turn on. The terminal block is located on the back of the tumble dryer near the power cord. Some visible signs of terminal block failure are discolouration and corrosion.
5. Malfunctioning Start Switch
The button to start the tumble dryer could have worn out. When the button is pushed, the start switch should send a spark to prompt the tumble dryer’s motor to start running. If the switch fails, the motor will not get the signal and the tumble dryer will not turn on.
6. Defective Drive Motor
One of the more serious problems for why a tumble dryer won’t start could be a faulty drive motor. The drive motor is the mechanism that rotates the machine’s drum. The motor can overheat from lint buildup, or sometimes small items can get inside and cause a blockage. If the tumble dryer makes a sound but won’t start, there is probably an issue with the drive motor.
7. Damaged Motor Relay
A motor relay is a lesser-known part present in some tumble dryers that helps the drive motor operate as long as it’s receiving sufficient electricity as determined by the control board. If the motor relay loses the electrical current from the control board, the relay will trip and stop supplying power to the motor.
8. Defective Door Switch
For safety purposes, tumble dryers are designed not to start unless the door is securely locked. If the switches have lost their ability to sense when the door is locked, or they aren’t locking at all, the tumble dryer won’t start.
9. Damaged Drive Belt
The drive belt is what helps spin the drum to keep clothes moving during the drying process. Over time, drive belts can wear down, crack, loosen, or break completely. Some tumble dryer models can still run with a damaged drive belt, though the heating efficiency may suffer.
10. Shorted-out Components on the Main Control Board
Circuit boards are present in all electronics, from computers to home appliances such as a tumble dryer. Circuit boards help electronics perform tasks and source power. But as with any electrical component, they can occasionally malfunction.
11. Broken Timer
If a tumble dryer has a dial or knob to control the timer setting, the timer controls may have broken down. Usually, it’s a broken motor switch contact problem. The timer has its own motor and gears that rotate cams, which are designed to direct electricity to other parts of the tumble dryer.
Conclusion
If your tumble dryer won’t start, it can be due to a variety of issues. By systematically checking each of these potential causes, you should be able to identify the problem and hopefully fix it. However, if you’re not comfortable doing these checks yourself, it’s always best to call a professional.
At Yorkshire Appliances, we have over 20 years of experience in repairing and servicing appliances. We pride ourselves on our good old-fashioned customer service, always going the extra mile to ensure you have the best possible experience. Whether you need a quick fix for your tumble dryer or are shopping for a new appliance, we’re here to help. Contact us today for all your appliance needs.
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