Dishwasher Won't Pump Water

Quick answer

First, check if the dishwasher is getting power and water. Ensure the float switch isn't stuck. If these are fine, you may need to inspect the pump or motor. Always turn off power before starting any repairs.

Confirm the symptom

• Dishwasher fills with water but doesn't drain.
• No water enters the dishwasher during cycles.
• Dishwasher makes noise but doesn't pump water.
• Dishes aren't getting clean due to lack of water flow.
• Error code related to water pump or flow on the display.

Tools and prep

• Screwdriver (Phillips and flathead)
• Pliers
• Multimeter
• Bucket and towels (for water)
• Flashlight
• Turn off power at the circuit breaker
• Shut off water supply to the dishwasher
• Clear the area around the dishwasher for easy access

Step-by-step troubleshooting

1. Check Power and Water Supply
   Do: Ensure the dishwasher is plugged in and the circuit breaker is on. Check the water supply valve under the sink.
   Observe: Power indicator light on the dishwasher, water flow when valve is open.
   Means: Dishwasher has power and water supply.
   Next: Check the float switch.
2. Check the Float Switch
   Do: Locate the float switch inside the dishwasher tub. Lift it manually to see if it moves freely.
   Observe: Float switch movement, no obstructions.
   Means: Float switch is not stuck.
   Next: Inspect the water inlet valve.
3. Inspect the Water Inlet Valve
   Do: Locate the valve at the bottom of the dishwasher. Check for clogs or damage.
   Observe: Water flow when valve is opened manually.
   Means: Water inlet valve is functioning.
   Next: Test the pump and motor assembly.
4. Test the Pump and Motor Assembly
   Do: Access the pump and motor assembly at the bottom of the dishwasher. Use a multimeter to test for continuity.
   Observe: Continuity reading on the multimeter.
   Means: Pump and motor assembly is working.
   Next: Check the drain hose.
5. Check the Drain Hose
   Do: Inspect the drain hose for kinks, clogs, or damage. Ensure it's properly connected.
   Observe: Clear and properly connected drain hose.
   Means: Drain hose is not the issue.
   Next: Test the dishwasher.
6. Test the Dishwasher
   Do: Run a test cycle with the dishwasher. Monitor for water flow and pumping.
   Observe: Water flows and pumps as expected.
   Means: Issue is resolved.
   Next: None.

Common causes

Parts matching

If you've identified a faulty part, here are the components you might need to replace.

• Water Inlet Valve: Controls water flow into the dishwasher.
• Pump and Motor Assembly: Responsible for circulating and draining water.
• Drain Hose: Allows water to exit the dishwasher.
• Float Switch: Prevents overfilling by shutting off water supply.
• Control Board: Manages dishwasher operations, including pump function.

Always ensure you have the correct part number for your specific dishwasher model before purchasing.

When to call a professional

• If you're not comfortable with electrical components.
• If the dishwasher is under warranty.
• If the issue persists after troubleshooting.
• If you suspect a gas leak or serious water damage.
• If you encounter any safety hazards during inspection.

FAQ

Related guides

• dishwasher not draining
• dishwasher not filling with water
• dishwasher not cleaning dishes

Related searches: dishwasher pump replacement, dishwasher float switch issues, dishwasher water inlet valve, dishwasher control board problems, dishwasher drain hose clog, dishwasher error codes, dishwasher water supply problems, dishwasher motor issues, dishwasher repair tips