How to Fix Whirlpool Refrigerator Error Er 20F

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⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.

Error Code: Refrigerator Difficulty: Hard

Problem: Control board watchdog timer failure – processor locked up

⚖️ Repair Decision

⚠️ CHECK WARRANTY / AGE

$100 – $250 Range

How to Fix Refrigerator Error

Unplug refrigerator for 10 minutes to fully reset processor.
Remove rear access panel to access main control board.
Inspect board for signs of overheating (discolored components near processor).
Check ventilation around control compartment – ensure no dust buildup blocking airflow.
Verify ambient temperature isn’t exceeding 120°F near control board location.
Test all input devices (door switches, temperature sensors) for intermittent shorts that could crash processor.
If no external causes found and error recurs within 3 cooling cycles, control board processor has failed.
Replace main control board assembly W
During installation, ensure board mounting screws are tight to provide proper heat sinking.
After replacement, monitor refrigerator through 3 complete cooling cycles to confirm stability. Document any power interruptions that preceded failure – may indicate need for surge protection.

OEM Part #: W11035831

Estimated Market Price: $240

If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

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Appliance Type

Appliance Age

Estimated repair cost (parts, or parts + labor) Most DIY parts are $50–$250. If you have a quote, use the total.

Is it under warranty?

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EPA Section 608 Certified Technician with 18+ years experience.