How to Fix Whirlpool Refrigerator Error Flash Code 1-2

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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: Moderate

Problem: Refrigerator sensor open circuit (1 flash pause 2 flashes on control board LED)

⚖️ Repair Decision

✅ WORTH FIXING

Parts under $100

How to Fix Refrigerator Error

Unplug refrigerator and remove rear access panel at top of cabinet to access main control board.
Locate diagnostic LED on control board (typically red LED near edge connector).
Count flash pattern: 1 flash, pause, 2 flashes = refrigerator sensor fault.
Remove interior panels to access refrigerator temperature sensor behind rear wall.
Disconnect sensor connector and measure resistance at room temperature (77°F/25°C): should read 5kΩ ±5%.
If resistance is infinite (open circuit), replace sensor WPW
Inspect wiring harness between sensor and control board for broken wires near door hinge.
Repair broken wires with waterproof heat-shrink connectors or replace entire harness section.
After repair, restore power and verify LED stops flashing error code within 2 minutes.
Monitor refrigerator temperature stabilization within 1 hour of repair.

OEM Part #: WPW10316348

Estimated Market Price: $28

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

Get the ‘Secret Service Mode’ Cheat Sheet for your Whirlpool model. Includes an easy-to-read list of every error code and quick diagnostic tips.

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

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