Error Code: Washer Difficulty: Hard
Problem: Motor control module communication failure or speed sensor fault
How to Fix Washer Error
- Power cycle washer by unplugging for 2 minutes.
- Access motor control unit (MCU) located under tub near motor.
- Inspect all connectors at MCU for corrosion, bent pins, or loose seating.
- Check motor speed sensor wiring harness for damage near motor shaft.
- Measure resistance at motor windings (should be 4-6 ohms between any two terminals).
- Verify 120V AC reaches MCU during operation.
- If wiring checks good but error persists, replace MCU W10312695 first.
- If F03 returns after MCU replacement, replace main control board (CCU) W
- Run diagnostic mode to verify motor operation at multiple speeds.
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Recommended Replacement Part
Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.
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When It’s Better to Replace Than Repair
Sometimes replacing an appliance makes more financial sense than putting more money into repairs.
Here are a few signs it may be time to shop for a new one:
For repair parts, verify exact fit with the full washer model number before buying; these links are general replacement-appliance shopping options.
- ✓Appliance over 8-10 years old
- ✓Repair cost over 50% of replacement
- ✓Multiple recent breakdowns
- ✓Major component failure
Recommended Replacement Options
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- Fast, Scheduled Delivery – You pick the date and time
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Expert: Mike Sullivan
EPA Section 608 Certified Technician with 18+ years experience.
Read Editorial Standards →Browse all Whirlpool error codes: Whirlpool Error Codes
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