F40Whirlpool Washer
Whirlpool Washer Error F40 – Meaning, Causes & How to Fix
The appliance detected insufficient or restricted water entering the appliance.
Medium Severity
Low
Medium
High
Critical
Expert Verified
Reviewed by a Certified Electrical Engineer & Licensed Technician
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Official Meaning
The appliance detected insufficient or restricted water entering the appliance.
Real-World Causes
- 1Failed sensor component
- 2Loose wiring harness
- 3Faulty electronic control board
- 4Mechanical obstruction in pump or motor
Symptoms
Look for these signs to confirm error F40 on your Whirlpool Washer:
- Look for these signs to confirm F40 on your
- Whirlpool WFW5620HW:
- Display immediately shows error code
- Appliance fails to start program
- Unusual clicking or buzzing noises
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DIY Fix (Safe)
- 1Power cycle the appliance for 5 minutes
- 2Inspect hoses, filters, and accessible sensors
- 3Verify household power and water supply conditions
- 4Run appliance diagnostic mode if available
Professional Action Required
- 1Test electrical components with multimeter
- 2Inspect wiring harness and connectors
- 3Replace defective sensor, pump, motor, or control board if required
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Additional Context
Frequently Asked Questions
What does Whirlpool Washer error F40 mean?
The appliance detected insufficient or restricted water
entering the appliance.
What causes Whirlpool Washer F40 error?
Common causes include: Failed sensor component, Loose wiring harness, Faulty electronic control board.
How do you fix Whirlpool Washer error F40?
Start with these DIY steps: Power cycle the appliance for 5 minutes. Inspect
hoses, filters, and accessible sensors. If the error persists, professional service may be needed.
Related Error Codes
Other Whirlpool Washer Errors
F01The appliance detected water level exceeded safety
threshold
F02The appliance detected sensor readings conflict with
expected parameters
F03The appliance detected cooling or ventilation fan is
not operating
F04The appliance detected the appliance cannot confirm the
door is locked
F25The appliance detected insufficient or restricted water
entering the appliance
F29The appliance detected insufficient or restricted water
entering the appliance
F31The appliance detected insufficient or restricted water
entering the appliance
F50The appliance detected insufficient or restricted water
entering the appliance
About the Author
Technical Review Team
Reviewed by certified appliance technicians with 10+ years of Whirlpool repair experience. Every error code is verified against manufacturer service manuals and real-world repair data.