Samsung dryer won't heat up

Common reasons your Samsung dryer won't heat up

The most common reasons your Samsung dryer won't heat up are an open heating element, failed thermal cut-off fuse or a defective electronic control board.

71% of the time it's the
Heating Element

4% of the time it's the
Thermal Cut-off Fuse

3% of the time it's the
Electronic Control Board

22% of the time it's the
Something else

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Most common repairs needed to fix a Samsung dryer

Heating Element Replacement

An open heating element could be causing the problem when your dryer won't heat up. “Open” means that the heating element is broken and current isn’t flowing through the element to produce heat. You may not see physical damage on the heating element for it to be electrically open. An interior break in the continuity of the element can prevent it from heating. When your dryer isn’t heating, have a Sears Home Services Technician visit your home and fix the dryer.

How to replace a dryer heating element

Thermal Cut-off Fuse Replacement

A failed thermal cut-off fuse will prevent your dryer from heating. This fuse is a safety device that helps keep the dryer from overheating. Overheating is often caused by a clogged exhaust vent system in the dryer. Once the thermal cut-off fuse trips, it won’t reset. You’ll need to have a Sears Home Services Technician visit your home and replace the blown thermal cut-off fuse. The technician will check for the cause of the blown fuse and correct any additional problems so the dryer will heat and run properly after replacing the fuse.

Why won't my dryer heat?

Electronic Control Board Replacement

When your dryer won’t heat up, a defective control board could be causing the problem. The electronic control board monitors temperature through a sensor and sends electrical current to the heating element or gas burner to heat the dryer and maintain drying temperature inside the drum. When the dryer won’t heat, a relay on the electronic control board may have failed. To fix the problem, have a Sears Home Services Technician diagnose and repair the heating failure.

How to replace the electronic control board in an electric dryer

What to expect when you experience a Samsung dryer won't heat up issue

How is the won't heat up problem fixed?

Correcting most won't heat up problems usually involves replacing the heating element, thermal cut-off fuse or electronic control board. However, there are many potential causes, so a thorough diagnosis is key to fixing the problem. An accurate diagnosis is essential to understanding how much the repair will be.

Sears Home Services recommendations for a dryer that won't heat up

When the dryer won't heat up it can be for many reasons. To avoid replacing unneeded parts we recommend having a Sears Home Services professional perform diagnostic tests to identify the root cause of the problem. Our technicians are experienced at diagnosing all types of dryer failures.

What to look out for with a dryer won't heat up diagnosis

Diagnosing modern appliances without proper knowledge and training can be difficult. Without using proper diagnostic techniques, fixing your dryer problem will only be achieved through changing parts on a hunch. Appliances, especially in the last 10 years, have become extremely advanced, and many models have electronic parts that are difficult to test. DIY repairs on the latest appliance models are becoming increasingly difficult.

Samsung Moisture Sensor HE Dryer Not Heating

The moisture sensor can be coated with residue or one of the wires could be disconnected when your Samsung Moisture Sensor HE dryer is not heating. When the moisture sensor cannot accurately sense wetness in garments, the heat will shut off and the cycle will stop early – leaving wet clothes in your dryer.

Check for residue like lint clinging to the moisture sensor bars on the lint screen housing. Clean the moisture sensor bars using rubbing alcohol and a lint-free cloth. Cleaning the moisture sensor bars may allow the dryer to heat properly and dry the clothes.

If your Samsung Moisture Sensor HE dryer is not heating and ending the cycle early after cleaning the sensor bars, you’ll likely need to have a Sears Home Services technician diagnose and repair the dryer. A disconnected wire or electronic control board failure could be causing the dryer to stop heating and end the cycle early when moisture sensor bars are clean.

Samsung Smart Care Dryer Not Heating

When you have an electric Samsung Smart Care dryer not heating, check the house circuit breakers for your clothes dryer. The dryer motor will run if one house circuit breaker is still on but it won’t heat of the second circuit breaker for the dryer tripped. Reset both house circuit breakers for your electric dryer when it won’t heat. This may fix the heating problem.

For a gas Samsung Smart Care dryer not heating, check the gas supply cut-off valve for the dryer to make sure the valve is fully open. Open that gas supply cut-off valve if your find it shut. The dryer will then get the gas needed to heat.

If these basic troubleshooting tips don’t help, the dryer could be suffering from these problems that will prevent heating.

Electric Dryer

Broken heating element.
Blown thermal cut-off fuse.
Bad high-limit safety thermostat.
Faulty thermistor (temperature sensor).
Defective electronic control board.
Bad motor centrifugal switch.
Wiring failure.

Gas Dryer

Weak gas valve coils.
Broken igniter.
Faulty flame sensor.
Bad high-limit safety thermostat.
Defective electronic control board.
Broken motor centrifugal switch.
Wiring failure.

Schedule clothes dryer repair service to have an experienced Sears Home Services technician visit your home and fix the heating problem when you’re unable to resolve the heating issue yourself.

Samsung Dryer DV48H7400EW/A2 Not Heating

When you find your Samsung dryer DV48H7400EW/A2 not heating, check the house circuit breakers to see if one of the breakers tripped. The dryer motor will run and spin the drum if one breaker is okay but the dryer won’t heat of the second circuit breaker for the dryer tripped. Reset both circuit breakers and then see if the dryer heats. If not, follow these additional expert troubleshooting tips.

Reset the electronic control board in your Samsung dryer. Unplug the dryer for 2 minutes and then plug the power cord back in to restore power. Check to see if the dryer heats after resetting the control board.
Check the power cord and replace it if you see any visible damage.
Unplug the dryer and check the power cord wires connected to the terminal block on the back of the dryer. Use the installation manual as a guide when checking those wires. Reconnect any loose or disconnected power cord wires.

If these basic troubleshooting tips don’t help resolve the problem in your Samsung dryer DV48H7400EW/A2 not heating, schedule clothes dryer repair service and we’ll send an experienced Sears Home Services technician to your home to fix the dryer.

Samsung Sensor Dryer Not Heating

If you have a gas Samsung Sensor dryer not heating, check the gas supply cut-off valve. Open that valve if you find it shut. That will provide the dryer with the gas supply needed to heat the dryer.

If your Samsung Sensor dryer not heating is an electric version, reset the house circuit breakers in case one of the circuit breakers tripped. An electric dryer needs power through both house circuit breakers to heat.

If your Samsung Sensor dryer displays these symptoms, then a problem with the moisture sensor could be causing the heating failure:

Dryer initially heats at the start of the cycle.
The dryer stops heating shortly after starting.
The cycle ends quickly and clothes are still wet.

The moisture sensor senses wet clothes. If the metal bars are coated with debris such as lint and fabric softener, the sensor won’t be able to detect moisture so the dryer will shut off heat and end the cycle because the clothes are detected by the sensor as dry.

Clean the moisture sensor bars using rubbing alcohol and a lint free cloth.

If the Samsung Sensor dryer is not heating after following these troubleshooting tips, schedule dryer repair service and we’ll send an appliance technician to fix the heating problem in your Samsung dryer.

Samsung Dryer DVE50M7450W/A3 Not Heating

When your find your Samsung dryer DVE50M7450W/A3 not heating, check the house circuit breakers for the dryer. Reset both circuit breakers because it’s often hard to determine whether a breaker has tripped. Resetting the circuit breakers may restore the full 240-volt power needed to heat the dryer.

If the dryer still won’t heat after resetting the circuit breakers, check the power cord for damage. Replace the power cord if you see physical damage such as a tear or cut in the cord.

Unplug the dryer and check the power cord wiring on the terminal block at the back of the dryer. Use the installation manual for your Samsung dryer as a guide when checking wiring. Reconnect any loose or disconnected wires.

If these basic troubleshooting steps don’t help restore heating in your Samsung DVE50M7450W/A3 dryer, schedule dryer repair service and we’ll send a service technician to your home to diagnose and fix the heating failure.

Samsung DV45H7000EW/A2 Not Heating

When you have a Samsung DV45H7000EW/A2 not heating, reset the electronic control board to see if the heating element will begin working. Follow these steps to reset the control board in your Samsung model DV45H7000EW/A2 dryer:

Turn off the dryer.
Unplug the dryer power cord from the electrical outlet.
Leave the dryer unplugged for 2 minutes.
Plug the dryer power cord back into the outlet to reboot the electronic control board.

After resetting the control board, see if the dryer heats. If not, reset the house circuit breakers for the dryer. One of the circuit breakers may have tripped. The dryer only needs power from one circuit breaker to run but it needs power through both circuit breakers to heat.

If resetting the circuit breakers doesn’t resolve the problem with your Samsung DV45H7000EW/A2 not heating, schedule dryer repair service to have a Sears Home Services technician visit your home and fix the dryer.

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