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Won't start is the most common symptom for Lg LDS5540ST. The instructions below from DIYers like you make the repair simple and easy. Many parts also have a video showing step-by-step how to fix the "Won't start" problem for Lg LDS5540ST. So, if your LDS5540ST dishwasher not operating, will not run or will not turn on, the following info will help you identify the problem.
Parts for LG LDS5540ST
The Locker Assembly is an OEM replacement part for LG dishwashers. It securely holds the dishwasher door lock in place during operations and transport.
Symptoms of a bad locker assembly include:
Causes of a bad locker assembly can include broken components or wear over extended use reducing its secure attachment.
This LG replacement part is also compatible with Sears/Kenmore dishwashers.
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This is a dishwasher control board. The board is located inside the machine and manages the functions of the appliance. It takes information from sensors to determine if all the appliance components are working correctly. If something is wrong with the main control board, it might have blinking lights, stuck keys, or the dishwasher may fail to run.Before replacing this part, make sure that the dishwasher has been disconnected from power. Wearing work gloves will offer extra protection during the replacement process. Remove the inner door panel to access the main control board and disconnect it from the wiring harness. Replace the wiring harness on the new component before installing it. Reassemble the rest of the dishwasher, including the inner door panel, and test it before further use.The main control board is made to be compatible with LG dishwashers and is directly provided by the manufacturer. This component is sold individually. It is an authentic OEM replacement part.