Why is My Samsung Dryer Not Heating Up and How to Fix?

By SmartHomeBit Staff •  Updated: 12/05/22 •  11 min read

If your Samsung dryer is not heating up and you’re scratching your head in confusion, you’re not alone. Many owners of Samsung dryers experience this frustrating issue at some point, and finding out what is causing it can be a time-consuming process. Fortunately, we have gathered all the essential information you will need to understand why your Samsung dryer isn’t heating up and how to fix it.

In this guide, we will provide useful information about common causes of heat loss in Samsung dryers as well as detailed steps for repairing the issues that could be preventing your machine from operating correctly. We break down everything from basic maintenance tips to more detailed fixes that require specialized tools. Whether you are an experienced DIYer or just getting started, this guide will help you tackle this project with ease.

Common Causes of a Samsung Dryer Not Heating Up

A Samsung Dryer not heating up can be frustrating and a hassle to deal with. Most of the time, a dryer not heating up is due to a problem with the heating element or thermostat. There are also other potential causes of a Samsung dryer not heating up like a faulty thermal fuse, a faulty drive belt, or a broken heating duct. In this section, we will explore the common causes of a Samsung dryer not heating up.

Blown Thermal Fuse

One of the most common causes of a Samsung dryer not heating up is a blown thermal fuse, also known as a thermal limiter. This protective device is in place to help prevent the dryer from overheating or having other problems due to fault conditions such as lint in the vent system or faulty wiring. If the thermal fuse has blown, it will need to be replaced with a new one in order for your dryer to start producing heat again and operate like normal.

Specifically, trouble shooting would include:
-Checking all connections on and around the heating element itself and making sure they are in proper working order
-Cleaning any lint build-up from inside clothing pocket corners, pockets & vents
-Cleaning out the vent system and inspecting for any blockages
-Verifying that all temperature settings are accurate
-Testing wall outlet power source (using a multimeter)
-Inspecting the timer circuit for any loose wires or damaged components
Replacing the thermal fuse if necessary

Malfunctioning Heating Element

A malfunctioning heating element is the most common cause of a Samsung dryer not heating up. Most modern dryers use an electric heating element, typically located near the back of the unit. Your heater should stay glowing red when it is working properly; if it’s not glowing, the problem may be mechanical and the element needs to be replaced.

If this is the case, you will need to access and replace the element yourself or call a service technician for assistance. The faulty part may be easy to find and fix or require more in-depth repair work; if so, it’s important that you hire a qualified technician with experience servicing Samsung dryers and troubleshooting common heating problems.

Once you have access to your dryer’s interior components, some of the other issues which can cause your Samsung dryer not to heat properly are:
-A faulty thermostat or thermal fuse
-Undiagnosed clogged ducts
-Debris build up on lint screen
-Blockage in vent hose
-Kinked exhaust hose
-Faulty electrical connection within wiring harness

By taking a careful look at all of these components inside your Samsung dryer, you should be able to identify any blockages, loose screws, or other signs of malfunction that could potentially explain why your unit isn’t providing enough heat on its own.

Clogged Lint Filter

A Samsung dryer not heating up could be caused by a clogged lint filter. Lint traps are designed to collect lint, fibers, and other particles that come off of your clothes during the drying cycle. If the lint filter becomes clogged, it can prevent air from passing through and effectively stopping the unit from heating up.

It is recommended that the lint trap is cleaned after every load of laundry you run in order to avoid a future buildup. To clean the filter first locate it, normally located along with the exhaust hose outlet on the back of your machine or on top of your unit’s front panel. Remove it from its housing and clean out any debris or excess lint that has built up with a vacuum cleaner or another form of brush or scraper tool. After this is done replace it back into its original position and run a test cycle to see if this fix worked.

Faulty Thermostat

A problematic thermostat can be the cause of a Samsung dryer not heating up. The thermostat normally acts like a desk fan, where it cycles on and off as the temperature of the dryer unit increases or decreases. In some instances, if the thermostat is not working properly, it can cause an issue where it does not cycle on and off correctly. This will result in the dryer not heating up when activated to start a cycle.

To determine if a faulty thermostat is causing your Samsung dryer to not heat up, you should unplug your appliance from power, remove the back panel of your unit and locate the thermal cut-off switch located near or around where venting flows from in your Samsung dryer. Once found, disconnect and reconnect each wire connected to the switch one at a time before re-connecting all wires for proper contact by using pliers, then reattach back panel securely and check if heating has resumed properly prior to running another drying cycle. If this has failed to correct any issues related to low or no heating being present in your dryer unit then you should immediately contact an authorized Samsung service center for further examination as other components may also be affected negatively due to poor conductivity effects with faulty electrical pathways or loose wiring within components interfering with proper operation functions of heat cycling normally associated with normal use within applicable conditions per provided instructions when attempting any repairs related certified procedures that involve methods better suited by trained professionals autorized by Siemens Service Center Locations (SSCL).

How to Fix a Samsung Dryer Not Heating Up

If your Samsung dryer is not heating up, it could be for several reasons. It could be a problem with the thermostat, the temperature sensor, or the heating element. It could also be an issue with the electrical connection. In this article, we will be discussing the different possible causes of a Samsung dryer not heating up, and how you can fix it.

Replacing the Thermal Fuse

The thermal fuse is an important component of a Samsung dryer. It operates as a safety device that shuts off power to the heating element when the dryer senses that it is running too hot. If your Samsung dryer is not heating up, you will need to replace the thermal fuse. Here’s how:

1. Unplug the Samsung dryer and open the cabinet panel door. You will see two screws securing the top lid in place. Remove both screws and lift up on the lid to open it up, exposing the interior of your machine.

2. Find and access the thermal fuse located near in-line with one of two wires connected to each other, with one being attached to either side of it respectively. Use your hands or needle nose pliers to disconnect both sides from within their ports, once removed unscrew them from their original housing in order for you to remove and access easily later for replacement purposes if needed

3. Once you have disconnected both sides from within their ports, inspect inside for any damage or discoloration that may have caused this issue as well as any debris which could additionally hinder proper functioning with your appliance when overheating continually occurs often

4 Fix any issues immediately such as replacing broken pieces found inside (like replacing a faulty thermal sensor) prior proceeding further with repairing your temperature regulator

5 Make sure your new Thermal Fuse fits securely plug both ends back into its original socket ports

6 Replace back panel cabinet and plug in the Samsung dryer before running a test cycle check its heat function again Everything should be working properly if no issues arise

Replacing the Heating Element

The heating element in a Samsung dryer may become damaged or faulty over time resulting in the dryer failing to produce enough heat to effectively dry clothes. Fortunately, you can troubleshoot and potentially repair the heating element yourself. To do this, you will need to:

1. Unplug the Samsung dryer from power source.
2. Remove the back panel of your dryer and locate the heating element.
3. Disconnect electrical connectors on each side of the heating element and remove all mounting screws securing it in place.
4. Install new heating element and tighten all mounting hardware securely with a Phillips-head screwdriver (or similar tool).
5. Reattach connecting wires using electrical connectors from your original unit, then replace back panel on your Samsung dryer and plug in machine again at its original power source outlet to see if repair has resolved issue with your heater malfunctioning.
6. Turn on device and test for proper operation by running several full cycles with wet clothing items placed in appliance for drying purposes – ensure that adequate heat is being generated to properly complete job without any further issues arising during operation cycles prior before deeming overall repair complete!

Cleaning the Lint Filter

Keeping the lint filter of your Samsung dryer clean is one of the easiest and most effective measures to take when your dryer is not heating up. Each time you use your dryer, it’s important to remove any debris that has collected in the lint filter. This will help ensure maximum air flow and efficient drying performance. To clean the lint filter, start by unplugging your dryer from the wall outlet and removing any fabric softener sheets or damp clothing from the drum. Next, find the lint filter—which is typically near the outside of the door or bottom front panel—and pull it out. Use a vacuum cleaner to remove any dust and debris from both sides of the filter before putting it back in place. Once this step is completed, you can reinstall your Samsung dryer and plug it back in for a test run to see if you’ve solved your problem.

Replacing the Thermostat

The thermostat is a critical component for any dryer that uses heat to dry clothes. It is responsible for sensing the temperature inside the dryer and activating the heating element. If your Samsung dryer is not heating up, the thermostat may need to be replaced.

To do this, you’ll need a few basic tools: a Phillips screwdriver, a small flathead screwdriver, and an Ohmmeter (multimeter). Before doing any work on an electrical appliance, make sure to disconnect it from power source to avoid shock or injury!

Once disconnected, first use a Phillips screwdriver to remove the back panel of your dryer by unscrewing it from the back wall. Next, using your Ohmmeter (multimeter), set to continuity mode and check for continuity between each terminal until you identify which one is connected with the thermostat. Then remove any connectors or wires running over or through the old thermostat before pulling it out.

Now you’re ready to replace the old thermostat with a new one. To do this, insert new parts into your dryer in reverse order – wire through first then slide in. Then connect wiring according to your Ohmmeter readings and secure screws with flathead screwdriver. Once finished, turn on your power source and start test-drying some clothes!


In conclusion, there are several potential issues that may be causing the Samsung dryer to not heat up. It is important to consider safety when troubleshooting a Samsung dryer. If using an electrical appliance such as a dryer, it is important to keep yourself and others in your home safe. Make sure that any items placed in the dryer can withstand high temperatures and be aware of the possibility of electric shock.

If your Samsung dryer is not heating up, then it is necessary to identify the cause before attempting any repairs or maintenance. The possible causes may include faulty components such as the thermal fuse, thermostat, heating element, and moisture or pressure switches. Fortunately, each of these components can often be replaced easily with basic tools and knowledge.

Once you have identified and fixed the issue with your Samsung dryer being not heating up, make sure that you use preventive maintenance on a regular basis so that similar issues will not occur in future. Doing so can help maintain optimal functioning of your device for years to come!

SmartHomeBit Staff