Appointment Lookup
646-440-2692
Learn what causes poor dishwasher cleaning results and find out how to get dishes cleaned spotlessly in the dishwasher.
Dishwasher no heat
Common reasons your dishwasher no heat
The most common reasons your dishwasher has no heat are a defective electronic control board, clogged water valve or a broken detergent dispenser.
44% of the time it's the Electronic Control Board
35% of the time it's the Water Valve
11% of the time it's the Detergent Dispenser
10% of the time it's the Something else
Schedule your dishwasher repair now!
We can help! Our service technicians have repaired over 19.7M dishwashers. We can fix yours no matter where you bought it.
Chat
Loading scheduler options...
Common dishwasher repair parts you may need
Replacing one of these dishwasher parts may fix your problem.
Electronic Control Board Replacement
If your dishwasher isn't heating up, it might be due to a faulty electronic control board. This board is responsible for sending power to the heating element. If a relay fails or there's an issue with the board's logic, it can stop the heat. Figuring out if the control board is the problem can be tricky. To get it sorted, have a Sears Home Services Repair Expert check and repair your dishwasher when it's not heating up.
Water Valve Replacement
If your dishwasher isn't heating up, a blocked fill valve might be the culprit. When there's insufficient water entering the dishwasher, a safety thermostat kicks in and cuts power to the heating element to prevent overheating. This safety feature won't reset until the tub cools down and refills with water. To resolve this issue, schedule a visit from a Sears Home Services Technician to address both the heating and filling problems with your dishwasher.
Detergent Dispenser Replacement
If your dishwasher isn't heating up, a faulty detergent dispenser might be to blame. A damaged water seal around the base of the dispenser can permit water to infiltrate the inner door panel, potentially damaging wiring or internal components. This damage could prevent the electronic control board from supplying power to the dishwasher's heating element. To address this issue, arrange for a Sears Home Services Expert to inspect your appliance and replace the defective detergent dispenser.
What to expect when you experience a dishwasher no heat issue
How do I fix a no heat problem in my dishwasher?
Fixing most issues with no heat usually means changing the electronic control board, water valve, or detergent dispenser. But since there could be various reasons, a careful diagnosis is crucial for solving the problem. Getting the diagnosis right helps in knowing the repair cost accurately.
Sears Home Services expert tips for a dishwasher that won't heat
If your dishwasher isn't heating up, it could be due to several reasons. To avoid changing parts unnecessarily, we suggest having a Sears Home Services expert run diagnostic tests to find the main issue. Our technicians are skilled at diagnosing all kinds of dishwasher problems.
What to watch for with a dishwasher no heat diagnosis
Figuring out what's wrong with modern appliances without the right knowledge and training can be tough. If you don't use the right diagnostic methods, you might end up just guessing and changing parts unnecessarily. Appliances, especially newer ones, have gotten really advanced in the last decade. They often have electronic parts that are hard to check. Fixing them yourself is getting harder, too.
No heat during the wash or rinse phases leads to subpar sanitizing and wet dishes. Failed heating elements usually need replacement. Try a dishwasher service repair near me.
What our customers say about us
With more than 500k 5-Star Reviews, you don't have to take our word for it
Thorough
James called to give an estimated arrival time. He was professional and personable. He had 2 professional ideas of the problem and found 1 was correct, but he didn't stop there. He did a thorough check of the appliance. 1 small part was needed. He ordered the part to my house. Fortunately, he was able to schedule for the next week, just before Thanksgiving. As before, he called ahead, arrived and quickly fixed the problem. My appliance is working perfectly.
Kirsten A, Oxford, PA
Service Call
Luke was great. Polite and knowledgeable even though the dishwasher was older than he!
James G, Hillsboro, MO
Daniel
Daniel went above and beyond to fix my dish washer. Very pleasant to deal with.
Paul F, Hghlnds Ranch, CO
Frequently Asked Questions
Why is my dishwasher not heating?
Check the heating element, thermostat, and power supply wiring to the heating element.
Could a faulty heating element cause my dishwasher to not heat?
Yes, if the heating element is broken, the dishwasher won’t heat the water or dry the dishes.
How do I fix a dishwasher that’s not heating?
Replace the faulty heating element, check the thermostat, and ensure proper power supply to the element.
What causes a dishwasher to not heat?
A broken heating element, malfunctioning thermostat, or wiring issues can prevent heating.
Repair Dishwasher Resources
If your dishwasher has no power and won’t turn on, several issues could be responsible. This guide explains the most common causes—from tripped breakers and GFCI outlets to faulty door switches, thermal fuses, and control board problems—plus what you can check before calling for professional repair.
A step-by-step DIY guide explaining how to diagnose a faulty dishwasher circulation pump and replace it safely. Includes troubleshooting tips, required tools, and instructions for restoring proper spray arm water circulation.
If you've noticed water seeping from your dishwasher or under the kitchen counter, immediate action is necessary to prevent damage. Learn how to fix a leaking dishwasher.
Glossary Terms
A dishwasher basket is a removable container designed to securely hold small items like cutlery and utensils during the wash cycle, ensuring efficient cleaning without loss or damage.
A dishwasher end panel is a finishing piece installed on the exposed side of a dishwasher, primarily when it is at the end of kitchen cabinetry, to ensure a seamless and aesthetically pleasing look in the kitchen.
A dishwasher diverter motor controls the direction of water flow to different spray arms within the dishwasher, ensuring optimal water distribution during each wash cycle for thorough cleaning.
A dishwasher drawer is a compact, space-saving kitchen appliance designed to clean dishes efficiently, resembling a standard kitchen drawer that slides out for easy loading and unloading.