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Insinkerator Dishwasher lights flashing or blinking

If your Insinkerator dishwasher lights are flashing or blinking, the machine is usually telling you it is not seeing the right water temperature or it has detected a control issue. The most common cause is a failed heating element or heating element assembly, since the dishwasher expects the water to heat within a set time and will flash the control panel lights if it does not. Next, check the water inlet valve, because low or interrupted fill can also trigger dishwasher flashing error lights. After that, inspect the door latch and its micro switch, since a bad latch switch can make an Insinkerator dishwasher blink and not start or interrupt normal operation. Less often, the control board or main control board is the problem, especially if the dishwasher lights blinking happens with no other clear cause or the board is not sending power where it should. Testing these parts with a multimeter can help narrow it down. Enter your model number on RepairClinic.com to find the exact Insinkerator heating element, water inlet valve, door latch, control board, or main control board that fits your dishwasher.

01 - Insinkerator Dishwasher Heating Element

The heating element heats up the water to operating temperature. If the water doesn’t reach the proper temperature after a set amount of time, a light on the control panel might start flashing. To determine if the heating element has burned out, use a multimeter to test it for continuity. If the heating element does not have continuity, replace it.
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Top Solution

02 - Insinkerator Dishwasher Heating Element Assembly

The heating element assembly heats up the water to operating temperature. If the water doesn’t reach the correct temperature after a set amount of time, a light on the control panel might start flashing. To determine if the heating element assembly has burned out, use a multimeter to test the heating element for continuity.
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Top Solution

03 - Insinkerator Dishwasher Water Inlet Valve

If the dishwasher lights are flashing or blinking, the cause could be a faulty water inlet valve. You can use a multimeter to test the valve's solenoids for electrical continuity to help determine if the component is functioning properly or not.
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Highly Likely

04 - Insinkerator Dishwasher Door Latch

A dishwasher's lights flashing or blinking could indicate a problem with a micro switch inside the door latch assembly. To determine if the micro switch is at fault, use a multimeter to test the switch for continuity. If the switch does not have continuity, replace it or the entire latch assembly.
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Highly Likely

05 - Insinkerator Dishwasher Control Board

The control board provides power to nearly every component of the dishwasher. It's possible that the board has shorted and is causing the lights to flash or blink unexpectedly. Check the owner’s manual for possible fault codes as one of the components may have failed. If the control board is not sending power to one of the components, it's likely the control board is at fault and will need to be replaced.
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Common

06 - Insinkerator Dishwasher Main Control Board

The main control board provides power to nearly every component of the dishwasher. It's possible that the board has shorted and is causing the lights to flash or blink. Check the owner’s manual for possible fault codes as one of the components may have failed. If the control board is not sending power to one of the components, it's likely the main control board is at fault and will need to be replaced.
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Common

Frequently Asked Questions

Why are the lights flashing on my Insinkerator dishwasher?
Can a bad heating element cause my Insinkerator dishwasher lights to blink and not finish the cycle?
How do I know if the door latch is causing my Insinkerator dishwasher to blink or not start?
Should I replace the control board if my Insinkerator dishwasher lights are flashing?
How do I find the right replacement part for my Insinkerator dishwasher?

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