LG is a popular appliance brand that manufactures top-selling home appliances, like dishwashers, TVs and dryers. Even the best products will sometimes break down and need to be repaired, and LG dryers are no different. One common problem people run into is their LG dryers not heating correctly.
Here are some of the most common causes of an LG dryer not heating, along with detailed instructions for how to fix each cause.
This guide covers popular models of LG Dryer, including:
DLE0442W
DLE2701V
DLE3777W
DLEX2801L
DLEX2801R
DLEX2801W
DLEX2901V
DLEX3001P
DLEX3001W
DLEX3360R
DLEX3360V
DLEX3360W
DLEX3470V
DLEX3470W
DLEX3550V
DLEX3550W
DLG5932S
DLG5988B
DLG5988S
DLG5988SM
DLG5988W
Thermal fuses prevent the dryer from overheating. To check if it is the cause of your LG dryer not heating, start by:
If your LG dryer is gas-powered, you will need to inspect the gas valve solenoid to check if it’s the reason your dryer is not heating. The purpose of the gas valve solenoid is to open the gas valve port to let gas into the burner assembly; when it fails to operate correctly, the dryer won’t heat properly. Here’s how to check if it is the cause of the heating problem:
Gas dryers have a flame sensor that detects the heat that is emitted by the flame. When the flame sensor fails to work correctly, the dryer won’t heat up correctly. Here’s how to check it:
The purpose of the heating element is to warm the air before it enters the dryer drum.
With time, heating elements can eventually burn out. Here’s how to check yours:
Another reason your dryer is not heating may be a problem with the incoming power. Electric dryers require two legs of 120 volts AC (or a total of 240 volts) to operate. Sometimes one fuse can blow but the dryer will still work but not heat, so you need to:
Another possible cause is a faulty high-limit thermostat. This component monitors the temperature of the dryer and will shut off the burner if it detects that it’s overheating. But this doesn’t happen very often, so before replacing it you should:
The dryer also has a cycling thermostat. This thermostat cycles the heat on and off to regulate the air temperature in the dryer. When the cycling thermostat stops working, the dryer will stop heating. It isn’t common for the cycling thermostat to break down, so before replacing it you should:
If the dryer doesn’t heat, you could have a faulty timer. It doesn’t happen often, so it’s best to check the other more common causes out first. If none of those causes is the problem, you should:
If you still haven’t found the reason why your LG dryer is not heating, then it is a good idea to check the main control board. You can look for any signs of burned-out fuses or short-sighted components within the control board, but that is as far as you can go in testing it. If there are no obvious signs of damage, you will have to replace the main control board and see if that fixes the heating issue.
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