A dryer moisture sensor can stop working without notice, until you notice your clothes being over dried or still wet at the end of the cycle. It is a good practice to test the dryer moisture sensor periodically. There are two types of moisture-detecting sensors for dryers. Once you understand how they work you will see how to test each one.
1. Sensor BarThese sensors contain digits that protrude outwardly. They work on an electrical current and the moisture from the clothing.
The first step to test is to place completely dry clothes in the dryer and turn on the dryer; it should run for a few moments and then shut down right away.
Secondly, place damp clothes into the dryer, turn on the dryer and watch the timer. As the clothes begin to dry the timer will move and shut off.
2. ThermostatThe timer is regulated by the thermostat. The thermostat rests in a closed position. To test this type of moisture sensor, place damp clothes in the dryer. Watch the timer; as the clothes begin to dry, the thermostat should open and the timer will move forward ,eventually shutting off.
Testimonial: "That did not help. I shut off the power to the unit for 5 min. and that did the trick. Does it mean there is bad PCB inside?"
A dryer moisture sensor can stop working without notice, until you notice your clothes being over dried or still wet at the end of the cycle. It is a good practice to test the dryer moisture sensor periodically. There are two types of moisture-detecting sensors for dryers. Once you understand how they work you will see how to test each one.
1. Sensor BarThese sensors contain digits that protrude outwardly. They work on an electrical current and the moisture from the clothing.
The first step to test is to place completely dry clothes in the dryer and turn on the dryer; it should run for a few moments and then shut down right away.
Secondly, place damp clothes into the dryer, turn on the dryer and watch the timer. As the clothes begin to dry the timer will move and shut off.
2. ThermostatThe timer is regulated by the thermostat. The thermostat rests in a closed position. To test this type of moisture sensor, place damp clothes in the dryer. Watch the timer; as the clothes begin to dry, the thermostat should open and the timer will move forward ,eventually shutting off.
×
SOURCE: sensor dry timer problem
Clean off the moisture sensor bars. They are the silver curved strips about 4 inches long inside the drum near the lint fitler. If you use fabric softner sheets, a waxy build up will coat the bars. The dyer can no longer sense the damp clothes, so it goes into the cool down and then shuts off. Time dry bypasses the moisture sensor.
SOURCE: drying timer on auto dry
I called LG...they said to unplug the dryer for 5 min. to reset the timer ...this solved the problem.
They also said not to use dryer sheets during the sensor dry cycle as the coating on the dryer sheets causes the sensor to malfunction as it can't read the humidity level in the dryer.
Thank you for your post, friend!
I see that your question is if the fan should shut off once it has reached the recommended setting. The fan will run even when the compressor cuts off so that air can pass over the sensor coils to check the humidity. This is a normal operation. I hope this is helpful. -Matt
563 views
Usually answered in minutes!
×