In simple terms, the other parts of the dryer, like the motor or control board, might receive power and function correctly. If one of those breakers trips, the dryer would only receive half the power it needs (i.e. Why it fails: Seeing as how the dryer relies on a two-phase power supply, it might be connected to double circuit breakers. To generate heat, the heating element inside the dryer requires a continuous two-phase 240V power supply. What it is: A dryer is a power-hungry appliance, especially when it comes to the heating element. Place the new board in, and replace those screws and connectors the same way as before. Once you’ve reached the board, remove its electrical connectors and mounting screws. As always, refer to the user manual and technical sheet to be sure. You may have to remove the top panel to gain access to it, though that might differ depending on the model you have. You’ll usually find the main control board located behind the control panel on your dryer. However, the more straightforward solution would be to replace the main control board altogether. How to fix: Technically, it is possible to fix just the damaged heater relay alone.ĭepending on where you live, you might be able to find a service that can do it for you. Why it fails: While the rest of the control board might be functioning normally, the heater relay on the control board may be the part that’s failed.ĭespite everything else functioning correctly, that failed heater relay means that the control board isn’t sending any power to the heater. In this case, we’re looking at the relay on that control board that’s dedicated to supplying power to the heater when necessary. That’ll depend on the exact model you have and its design, so refer to the user manual and tech sheet to be sure. How to fix: Typically, you can find the cycling thermostat behind the rear panel of the dryer. However, it’ll show an infinite reading if it’s faulty and needs to be replaced. You can diagnose the cycling thermostat with your multimeter by checking its resistance.Ī functioning thermostat should produce a reading of 0.1-0.5 Ohms. If you’ve been using your Samsung dryer for a long time now, then it’s possible that the thermostat has suffered from too much wear and tear and cannot function correctly. When that happens, it might not sense that the temperature inside the dryer is too low, and therefore fails to turn on the heater. Why it fails: The cycling thermostat is continuously in use and might fail over time. It senses when the temperatures get too low or too high and reacts accordingly. To ensure that the heater turns on and off only when appropriate, your dryer relies on a cycling thermostat. When the temperature is too low, then it’ll repeat the heating process as many times as necessary to maintain the right level of heat throughout the cycle. These are ‘disposable’ parts in the sense that they can’t be repaired. Firstly, you’ll need to replace the burnt-out thermal cut-off fuse. How to fix: There are two parts to fixing this problem. Without proper airflow to carry heat away from the heating elements, the heater assembly overheats and leads to the thermal cut-off fuse burning. That kind of overheating typically happens because the dryer’s vents are clogged. Why it fails: When a Samsung dryer isn’t heating up, there’s a 10% chance that it’s because of a burnt thermal cut-off fuse in the heater assembly.Īs mentioned before, this happens whenever the temperature around the heater assembly rises beyond safe levels, as the fuse burns out to protect the rest of the machine from damage. If temperatures rise too high, the thermal cut-off fuse will burn out and prevent the dryer from heating up. In this case, your Samsung dryer has a thermal cut-off fuse at the heater assembly that protects against overheating.
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