Why Your Frigidaire Dishwasher Isn’t Filling with Water: Control Board Troubleshooting Guide

Ever wondered why your Frigidaire dishwasher seems to be playing hard to get with the water? Picture this: you load up the dishwasher, hit start, and… nothing. Frustrating, right? Don’t worry, you’re not alone in this dishwashing dilemma. But fear not, because in this article, we’ve got your back!

Common Reasons for a Frigidaire Dishwasher Not Filling with Water

If your Frigidaire dishwasher is not filling with water, there are a few common issues you might encounter:

  • Faulty water inlet valve: This part controls the water flow into the dishwasher. If it’s defective or clogged, water won’t enter the machine.
  • Clogged water inlet: Debris or mineral buildup can obstruct the water inlet, impeding the flow of water.
  • Faulty float switch: This component detects the water level inside the dishwasher. If it’s stuck or malfunctioning, the dishwasher may not fill correctly.
  • Broken door switch: The dishwasher won’t operate if the door switch is faulty, as it plays a crucial role in allowing water to flow in.
  • Plumbing issues: Check for kinks in the water supply line or a blocked sink drain leading to improper water flow.

Remember, these are just a few possibilities, and troubleshooting may be required to pinpoint the exact cause of the issue.

Check the Water Supply Line

When your Frigidaire dishwasher isn’t filling with water, one common culprit is the water supply line. This line is responsible for bringing water into the appliance, so any issues with it can lead to a lack of water inside the dishwasher.

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Here are some steps to Check the Water Supply Line:

  • Start by turning off the dishwasher and unplugging it.
  • Locate the water supply line connected to the dishwasher.
  • Check for any kinks or bends that might be restricting water flow.
  • Ensure that the water supply valve is fully open to allow water to enter the dishwasher freely.
  • Disconnect the water supply line and inspect it for blockages or clogs that could be impeding water flow.

By examining the water supply line closely, you can identify and address any issues that might be preventing your Frigidaire dishwasher from filling with water effectively.

Examine the Dishwasher’s Float Assembly

When your Frigidaire dishwasher is not filling with water, a faulty float assembly could be the culprit. The float assembly is a small mechanism located at the base of the dishwasher tub that controls the water level inside. If it gets stuck or obstructed, it can signal to the dishwasher that there is enough water, even when there isn’t.

To examine the float assembly, follow these steps:

  • Turn off and unplug the dishwasher to ensure safety.
  • Locate the float assembly inside the dishwasher. It is usually a small, round device near the front or side of the tub.
  • Check for any debris or objects that may be preventing the float from moving freely.
  • Gently move the float up and down to see if it moves smoothly.
  • Ensure there are no obstructions in the path of the float’s movement.

Regularly inspecting and cleaning the float assembly can help prevent issues with the water fill cycle of your Frigidaire dishwasher. If you find any faults during your examination, addressing them promptly can help restore your dishwasher’s normal functioning.

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Clean the Dishwasher’s Inlet Valve

When your Frigidaire dishwasher isn’t filling with water, a dirty inlet valve might be to blame. The inlet valve is responsible for allowing water to flow into the dishwasher during the fill cycle.

Here’s what you can do to tackle this issue:

  • Shut off the dishwasher: Before you begin any maintenance, make sure to cut off the power supply to the dishwasher to avoid any accidents.
  • Locate the inlet valve: The inlet valve is typically found behind the dishwasher’s kick plate. Refer to your dishwasher’s manual if you’re unsure about its location.
  • Inspect for debris: Check the inlet valve for any buildup of debris or mineral deposits. These obstructions can prevent the valve from opening fully and allowing water to enter.
  • Clean the inlet valve: Using a soft brush and water, carefully clean the inlet valve to remove any blockages. Be gentle to avoid causing damage to the delicate components.
  • Check for smooth operation: After cleaning, make sure that the inlet valve moves smoothly and without any resistance. This ensures proper functioning during the next wash cycle.

Regularly cleaning the inlet valve can help prevent issues with water flow into your dishwasher, ensuring that it operates efficiently.

Inspect the Dishwasher’s Control Board

When troubleshooting why your Frigidaire dishwasher is not filling with water, checking the control board is essential. Here’s how you can inspect it effectively:

  • Locate the control board: It’s usually found on the back or top of the dishwasher.
  • Look for visible signs of damage: Check for burnt marks, loose wires, or any other irregularities on the board.
  • Reset the control board: Sometimes, a simple reset can solve electronic glitches. Turn off the dishwasher, wait a few minutes, then turn it back on.

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Regularly examining the control board of your dishwasher can help identify potential issues and ensure smooth operation.

Remember, when in doubt, it’s always best to consult a professional for assistance.


So, if your Frigidaire dishwasher is not filling with water, remember to check the control board. It’s essential to locate it, inspect for any issues, and reset if necessary. Keeping an eye on the control board regularly will help ensure everything runs smoothly. If you’re unsure about anything, don’t hesitate to reach out to a professional for assistance. Happy dishwashing!

Frequently Asked Questions

How can I fix my Frigidaire dishwasher that is not filling with water?

Inspect the control board by locating it, checking for damage or irregularities, and resetting if necessary. Regularly examine the control board for smooth operation. Consult a professional if unsure.

Charlie Thomson is Appliance Mastery's expert on laundry appliances. With a degree in mechanical engineering and over 8 years of experience in the appliance repair industry, Charlie is a go-to resource for homeowners who want to tackle common issues with their washing machines, dryers, and dishwashers.

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