![]() ![]() When lint does happen to make its way into places like the inner workings of a dryer drum, though, it can cause damage and lead to break down and failure over time. While this can be quite common, our products are designed to protect against such mishaps - particularly through use of thermal fuses and other safety measures. If black marks are present, it’s burnt out, you’ll need to replace it.Īs lint is collected, it can easily bypass the lint trap and end up in areas such as the dryer vent. Look for any signs of melting or blackening to indicate an issue with your control board.The control board relay switch should be on the lower right of the board.Flip the control panel over and reveal the control board.Use a screwdriver to remove these screws and set them aside, as you will reinstall them later.Locate the screws on the back of the dryer that hold the control panel in place. In the event that you need to replace a control board, here’s how to do it: This will require that you replace both the thermal fuse and the control board, since the relay is now stuck. When the dryer reaches its critical temperature, the thermal fuse inside the heating assembly will blow, shutting off the power to the dryer. See also Maytag Dryer PF Code -Let's Fix It It will send power if the dryer is running, but it won’t if it’s off. This issue arises when the control board relay sends power to the heating element even when your dryer is not in use. This faulty part will cause your dryer to not heat and run indefinitely. The heating element will thus remain active despite the thermostat’s signal to cut off power. In this case, the relay may be stuck in “ON” position and fail to receive commands from the thermostat. In some cases, however, a thermal fuse can be tripped by a bad relay. ![]() In many modern dryers, the thermal fuse is a safety device that cuts power to the heating element if it detects high heat. Once you’re sure that the dryer is unplugged, flip up the top panel by removing its screws and set aside. If you want to repair or replace a fuse on your dryer, first turn the power off by turning the dryer’s power cord off from the wall outlet. Check all wires for looseness at ends and terminals. If no continuity exists, then replace the thermal fuse. Measure the continuity of the thermal fuse between the two terminals. The thermal fuse can be checked by using a multimeter set on ohms (Ω). The Dryer’s Thermal Cutoff is designed to trip on high heat to protect the dryer and your clothes. We’ll discuss some troubleshooting and possible solutions to fix your problem. Before replacing the fuse, make sure that both the thermal fuse on the blower wheel and the cutoff fuse on the heater assembly is not blown. If your dryer keeps blowing thermal fuse, you could be dealing with a few common issues. Dryer Keeps Blowing Thermal Fuse – Troubleshoot and Diagnosis ![]() It disconnects power to your dryer if it’s determined that something is wrong with your dryer. The thermal cutoff works similarly but for different reasons. The thermal fuse is a safety mechanism that, when triggered, stops electrical flow to the heating element after it senses extreme heat. But none are as crucial as the thermal fuse and the thermal cutoff, because they keep you safe. or more) or if it goes up and over a wall, a dryer vent booster may be necessary.A typical dryer has many moving parts. If the dryer vent hose goes a long distance (120 ft. Whenever you replace a thermal fuse, it is always a good idea to clean all of the built up lint out of the dryer and the dryer vent hose. When the dryer can't get the hot, humid air moving out through the dryer venting, heat builds up and can pop the thermal fuse. These thermal fuses blow when the temperature gets too high and this is generally caused by bad air flow. ![]() When they blow, the dryer is crippled until you replace the fuse. Dryer thermal fuses have a lot of authority among the dryer components. ![]()
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