Dishwasher Won't Run Water

Quick answer

Turn off the dishwasher power and water supply. Check the water inlet valve for clogs or damage, and ensure the water supply is open. If the valve is faulty, replace it.

Confirm the symptom

• Dishes aren't getting clean
• No water entering the dishwasher
• No sound of water flowing during cycle

Tools and prep

• Screwdriver set
• Adjustable wrench
• Plumber's putty
• Replacement water inlet valve (if needed)
• Work gloves
• Turn off power at the circuit breaker
• Shut off the water supply valve

Step-by-step troubleshooting

1. Check Water Supply Valve
   Do: Locate the water supply valve under the sink and ensure it's fully open.
   Observe: Water should flow freely when you turn on the sink.
   Means: The water supply is active.
   Next: Check the water inlet valve.
2. Inspect Water Inlet Valve
   Do: Look for visible damage or debris on the valve and its filter.
   Observe: Clogs or damage may prevent water from entering.
   Means: The valve may need cleaning or replacement.
   Next: Clean the filter if clogged; replace the valve if damaged.
3. Test Water Inlet Valve
   Do: Set the dishwasher to a cycle and listen for a humming sound from the valve.
   Observe: No sound indicates the valve isn't receiving power.
   Means: The valve or wiring could be faulty.
   Next: Test the valve's electrical connections.
4. Check Electrical Connections
   Do: Unplug the dishwasher or turn off power, then inspect the wiring to the valve.
   Observe: Loose or corroded wires may prevent power from reaching the valve.
   Means: Electrical issues are causing the problem.
   Next: Tighten or replace damaged wires.
5. Inspect Dishwasher Filter
   Do: Remove and clean the dishwasher's internal filter.
   Observe: Debris or buildup may be blocking water flow.
   Means: A clogged filter is restricting water.
   Next: Reinstall the filter and test the dishwasher.
6. Run a Test Cycle
   Do: Restart the dishwasher and run a test cycle with the door slightly open to observe water flow.
   Observe: Water should enter and spray during the cycle.
   Means: The issue is resolved or another problem exists.
   Next: If water still doesn't run, consult a professional.

Common causes

Parts matching

Replace these parts if they're faulty or damaged:

• Water inlet valve
• Water inlet valve filter
• Dishwasher filter
• Float switch
• Control board

Purchase parts compatible with your dishwasher model using the manufacturer's website or manual.

When to call a professional

• Water still doesn't run after replacing the water inlet valve
• You suspect a faulty control board or electrical issues
• You're unsure about electrical connections or water supply problems
• The dishwasher leaks after attempting repairs
• You don't have the tools or confidence to complete repairs safely

FAQ

Related guides

• dishwasher not filling with water
• dishwasher not heating water
• dishwasher not draining properly
• dishwasher not starting cycle

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