Error code reference

Whirlpool Refrigerator Error Code MAIN BOARD + RC SENSOR

Main control board and refrigerator compartment thermistor sensor have both failed.

Whirlpool codes Whirlpool refrigerator codes

Main control board and refrigerator compartment thermistor sensor have both failed.

First step from the service manual

Enter service diagnostics mode to confirm; replace main board and RC sensor as needed.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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Get the full diagnostic procedure for MAIN BOARD + RC SENSOR.

Step-by-step tests with expected resistance, voltage, and continuity values
Wiring diagram references and connector pinouts from the OEM service manual
Verified part numbers when replacement is required

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M+ Max·Whirlpool Refrigerator

MAIN BOARD + RC SENSOR on my Whirlpool WRS325SDHZ

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Main control board and refrigerator compartment

From Tech Sheet W11710879, p.51:

1.Enter service diagnostics mode to confirm; replace main board and RC sensor as needed.

2.Disconnect the sensor and measure resistance at the sensor body. Expected: 10 kΩ to 12 kΩ at 77°F (25°C).

3.Check the sensor harness for opens and shorts. Back-probe the sensor pins at the control board connector; a reading outside 5 kΩ to 50 kΩ indicates a failed sensor.

Part WP8577274

Temperature thermistor

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First step from the service manual

Get the full diagnostic procedure for MAIN BOARD + RC SENSOR.

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