Whirlpool Washing Machine: drain pump running continuously

Possible Causes

Faulty pressure (water level) switch or blocked pressure hose

How to Identify: Pump runs continuously even with no water present; washing machine believes water remains due to false signal; inspect pressure hose for kinks/clogs.

Part: Pressure switch / pressure hose

Control board or electronic control fault

How to Identify: Pump runs without logical trigger; resets or recalibration procedures sometimes resolves symptom; widespread cycles fail to progress normally.

Part: Electronic control board

Actual water level or siphoning (drain hose installation issue)

How to Identify: Pump appears to run to remove water when drain hose inserted too deeply or improperly, causing siphoning/backflow.

Part: Drain hose

Drain pump mechanical fault

How to Identify: Pump runs constantly and fails to evacuate water properly; unusual noises from pump.

Part: Drain pump assembly

DIY Solutions

Inspect and clear pressure hose blockages

Moderate 20-40 minutes

Tools Needed: screwdriver, flashlight

1. Unplug the washer and move it to access the back or side panel.
2. Locate the pressure hose that runs from the tub to the pressure switch.
3. Disconnect and inspect the hose for clogs or kinks; clear any debris gently.
4. Reconnect the hose securely and run a test cycle.

⚠️ Safety First: Always unplug the appliance before inspecting internal parts.

Reposition or adjust drain hose to prevent siphoning

Easy 5-10 minutes

1. Ensure the drain hose is not inserted more than recommended into the standpipe/drain.
2. Adjust the hose height per manual recommendations (typically hanging at proper standpipe height).
3. Test to see if the continuous pump running stops.

Reset / recalibrate the washer control

Easy 5 minutes

1. Unplug the washing machine for 1-2 minutes.
2. Plug the washer back in to reset controls.
3. Attempt to start a cycle to see if control resets have resolved the symptom.

Professional Repairs

Replace pressure switch or control board

Estimated Cost: $100 - $300+

When to Call a Professional

After DIY diagnostics (pressure hose check and resets) still show continuous pump operation

If internal electronic faults or control board issues are suspected

If unusual noises or mechanical pump failures are present

Preventive Maintenance

• Check pressure hose and drain hose positioning: False water level detection and siphoning issues
  Frequency: annually

Frequently Asked Questions

Why is my Whirlpool Washing Machine Drain pump running continuously?

The drain pump may run continuously due to a faulty pressure switch, control board fault, improper drain hose installation, or a mechanical issue.

How do I fix Whirlpool Washing Machine Drain pump running continuously myself?

You can inspect and clear the pressure hose, adjust the drain hose to prevent siphoning, or reset the washer control.

How much does it cost to fix Drain pump running continuously?

Professional repairs for the drain pump issue typically range from $100 to $300 or more, depending on the problem.

When should I call a technician for Drain pump running continuously?

If DIY solutions do not resolve the issue or if you suspect a complex electronic control fault, it's best to call a technician.

References & Sources

• Continuously Fills / Fills and Drains - Whirlpool Support Official

Can I Fix This Myself?

20%

DIY Success Rate Difficulty: Professional

Common Issues Reported by Users

• Faulty control board (4 mentions)
• Pressure sensor issues (3 mentions)

User Suggested Solutions

1. Replace control board

   Success rate: 20.0%

2. Check pressure sensor and hoses

   Success rate: 0.0%

Community Discussions

drain pump running continuously after wash cycle

likely need a new control board; Whirlpool may cover repair under warranty

Pro needed View on Reddit →

Source: Reddit r/appliancerepair