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LG Dishwasher won't power on
Common reasons your LG Dishwasher won't power on
The most common reasons your LG dishwasher won't power on are a defective PCB, a damaged user interface control, or a stripped wire connector.
38% of the time it's the PCB
27% of the time it's the User Interface Control
9% of the time it's the Wire Connector
26% of the time it's the Something else
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Most common repairs needed to fix a LG dishwasher
PCB Replacement
A dishwasher that won't power on could have a defective printed circuit board (PCB). The PCB, also called an electronic control board, will freeze up and fail to power up the control panel when its internal memory and logic is corrupted. A failed internal electronic relay or bad electronic part on the circuit board could be causing the control board to fail. Determining whether a control board is defective is difficult. Schedule service with a Sears Home Services technician to diagnose and repair your dishwasher if it won't power on.
User Interface Control Replacement
When the dishwasher won't power up, a damaged user interface control could be causing the problem. The user interface control connects to the electronic control board through a wire harness and sends signals to the control board to help manage the dishwashing cycle. A stuck key on the user interface control can cause the electronic control board to stop the cycle and the dishwasher won't work until the damaged user interface control is fixed. Have a Sears Home Services repair expert visit your home and replace the user interface control if it's damaged.
Wire Connector Replacement
If your dishwasher won't power on, a stripped wire connector could be causing the problem. Several different wire connectors inside the dishwasher can keep the dishwasher from working if wires get disconnected. The wires inside the junction box must stay connected for the dishwasher to get power from the power cord. The wire harnesses on the electronic control board and user interface control must also stay connected to keep the dishwasher working. When your dishwasher isn't working, have a Sears Home Services Repair Expert visit your home and fix the problem.
What to expect when you experience an LG dishwasher won't power on issue
How is the dishwasher won't power on issue fixed?
Correcting most dishwasher won't power on issues involves replacing the PCB, user interface control, or wire connector. 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 dishwasher won't power on problem
When a dishwasher won't power on, 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 dishwasher failures.
What to look out for with a dishwasher won't power on diagnosis
Diagnosing modern appliances without proper knowledge and training can be difficult. Without using proper diagnostic techniques, fixing your dishwasher 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.
An LG dishwasher that refuses to turn on may have deeper control panel or door switch defects. Unplugging and replugging seldom fixes a bigger electrical issue. Rather than giving up, schedule a dishwasher repair in my area. A professional approach ensures your appliance is back to washing without further delays.
What our customers say about us
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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 LG dishwasher not powering on?
The issue could be due to a tripped breaker, a faulty door latch, or a blown fuse on the control panel.
How do I check if the door latch is working?
Close the door and listen for a click, then test the latch switch with a multimeter for continuity.
Could a blown fuse on the control panel stop the dishwasher from powering on?
Yes, if that fuse fails, no power will reach the dishwasher's electronic components.
What should I do if the latch and fuse seem okay but there's still no power?
Check the wiring harness for loose connections and ensure the wall outlet is delivering electricity.
Repair Dishwasher Resources
Learn how to drain a GE dishwasher with our step-by-step guide. Keep your dishwasher running smoothly with our expert tips.
Find out why your dishwasher won’t turn on and get expert tips from Sears Home Services to fix the problem.
If the dishes in your dishwasher are no longer getting clean, it could be the spray arm is clogged.
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.