Westinghouse Dishwasher Error F4

⚡ Quick Answer: The Westinghouse dishwasher error F4 indicates a flow meter fault, where the main control board fails to receive a valid reading during the water fill... ✅ DIY Fixable

What Does Error F4 Mean?

The Westinghouse dishwasher error F4 indicates a flow meter fault, where the main control board fails to receive a valid reading during the water fill phase. This may result in the dishwasher displaying the error during or after the fill phase, leading to issues such as improper filling or failure to complete cycles. Users might notice abnormal water fill levels, either too much or too little, accompanied by unusual sounds during operation.

Common Symptoms:

  • Dishwasher displays F4 during or after fill phase
  • Dishwasher may not fill correctly or finish cycles properly
  • Water fill seems abnormal (too much or too little)

Possible Causes

  • Faulty flow meter (water flow sensor) (medium)
  • Faulty water inlet valve or lack of water flow (low)

How to Fix Error F4

DIY Fix Basic flow and inlet checks

  1. Ensure water supply to the dishwasher is turned on.
  2. Inspect inlet hose for kinks or blockages.
  3. Check for any obvious leaks or loose connections at water inlet.
  4. Restart the dishwasher to see if the error clears after addressing basic water supply issues.

Technician Only Inspect and replace flow meter or associated parts

  1. Disconnect power and water supply.
  2. Access and inspect the flow meter sensor for visible damage or loose connections.
  3. Test the flow meter with a multimeter according to manufacturer specs.
  4. If confirmed faulty, replace the flow meter.
  5. Also inspect water inlet valve if flow meter replacement does not resolve the issue.

Parts needed: flow meter (water flow sensor), water inlet valve

🛑 When to Call a Pro:
  • Error persists after basic checks
  • User is not familiar with safe disassembly or electrical/water systems

Technical Specifications

wattage 40W
component Drain Pump
resistance 10-30 ohms
part_number WPW10195047
voltage_rating 120V AC

Common Questions

What does F4 error mean on westinghouse dishwasher?

F4 error indicates a flow meter fault, causing improper water filling and cycle completion.

Can I fix westinghouse dishwasher F4 error myself?

Yes, you can check the water supply, inlet hose, and connections for issues.

How much does it cost to fix F4 error?

Estimated repair costs range from $50 to $200 for parts, excluding labor.

When should I call a technician for F4?

Call a technician if the error persists after basic checks or if you're unfamiliar with appliance repairs.

Data last verified: 2026-03-09

User Comments (0)

Share your experience or solution below.

Be the first to comment!