How do I know if my dishwasher heating element is bad?

Common signs include dishes not drying properly, water remaining cold during wash cycles, or the dishwasher taking an unusually long time to complete a cycle. Some dishwashers may also display specific error codes related to heating issues. You can often visually inspect the element for signs of damage or use a multimeter to test for continuity.

Can I replace a dishwasher heating element myself?

Yes, replacing a dishwasher heating element is a common DIY repair for those with basic mechanical skills. It typically involves disconnecting power, accessing the element from inside the tub, and unbolting/unwiring the old part. Always ensure power and water are completely disconnected before starting any repair work.

What causes a dishwasher heating element to fail?

Heating elements can fail due to normal wear and tear over time, mineral buildup from hard water, or electrical issues. Repeated exposure to harsh detergents or foreign objects can also contribute to corrosion or physical damage, leading to a breakdown in the heating coil or its electrical connections.

Dishwasher Heating Element Replacement Guide

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AEG72950001 Dishwasher Heater Assembly Replacement 2657686 PS7788065 Compatible with LG Dishwasher Models LDF5545ST, LDS5811ST, LDS5811BB

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What the AEG72950001 does

The heating element in a dishwasher heats the water during wash cycles and aids in drying dishes by increasing internal temperature.

Symptoms when this part fails

Dishes not drying completely
Water not getting hot during wash cycles
Dishwasher cycles taking unusually long
Error codes related to heating function

Compatibility

Fits the LG family. Specifically:

Any unit originally equipped with OEM part number(s): 2657686, PS7788065.
Check the model/rating plate inside your appliance and compare it against the fitment table on the product listing before ordering — this guide does not list specific compatible models because Amazon does not provide verified fitment data through this pipeline.

Also replaces: 2657686, PS7788065

Tools you'll need

Screwdriver (Phillips and flathead)
Nut driver or wrench
Pliers
Multimeter

Difficulty: Moderate · Time: 30-60 minutes

How to install the AEG72950001, step by step

Disconnect the dishwasher from power and water supply.
Remove the lower dish rack and spray arm.
Locate and access the heating element inside the tub.
Disconnect electrical wires and mounting nuts from the old element.
Carefully remove the old heating element from the tub.
Install the new heating element, securing with nuts and reconnecting wires.
Reassemble the dishwasher components and restore power/water.
Test the dishwasher for proper heating and operation.