Westinghouse Dishwasher Error F8

⚡ Quick Answer: The Westinghouse dishwasher F8 error indicates a heating fault, where water fails to reach the required temperature during a wash cycle. This issue ca... ✅ DIY Fixable

What Does Error F8 Mean?

The Westinghouse dishwasher F8 error indicates a heating fault, where water fails to reach the required temperature during a wash cycle. This issue can result in dishes not being cleaned or dried properly, often accompanied by unusual sounds from the pump. Common causes include a faulty heating element, an incorrectly reading temperature sensor, or wiring issues within the heating circuit.

Common Symptoms:

  • Dishwasher displays F8 during or at end of cycle
  • Dishes not properly cleaned or dried
  • Water not heating or lukewarm wash

Possible Causes

  • Faulty or failing heating element (medium)
  • Temperature sensor (NTC/thermistor) reading incorrectly (medium)
  • Wiring/connectivity issues in heating circuit (low)

How to Fix Error F8

DIY Fix Basic checks before service call

  1. Confirm water supply temperature is adequate (hot water inlet)
  2. Ensure dishwasher filters and spray arms are clean so water circulates properly
  3. Power cycle dishwasher by disconnecting mains for 5–10 minutes and retry a cycle

Technician Only Inspect and repair heating components

  1. Disconnect power and access heating assembly
  2. Measure resistance of heating element to check for continuity
  3. Test temperature sensor (NTC) resistance against manufacturer spec
  4. Inspect wiring harness for breaks or loose connectors
  5. Replace faulty heater or sensor as needed

Parts needed: heating element, temperature sensor (NTC), wiring harness

🛑 When to Call a Pro:
  • If error persists after basic checks and reset
  • If internal components testing is outside user comfort/safety

Technical Specifications

wattage 50W
component Drain Pump
resistance 10-20 ohms
part_number WDW-123456
voltage_rating 120V AC

Common Questions

What does F8 error mean on Westinghouse dishwasher?

F8 error indicates a heating fault, causing dishes to not be cleaned or dried properly.

Can I fix Westinghouse dishwasher F8 error myself?

Yes, check water supply temperature, clean filters, and power cycle the dishwasher.

How much does it cost to fix F8 error?

Repair costs for the F8 error range from $50 to $200+, depending on parts.

When should I call a technician for F8?

Call a technician if the error persists after basic checks or if internal testing is outside your comfort level.

Data last verified: 2026-03-09

User Comments (0)

Share your experience or solution below.

Be the first to comment!