Error Code: F01 Whirlpool

Whirlpool Washer Error F01: Primary Control Failure

F01 indicates a communication error between the main control board and the motor control unit.

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The Logic Verdict

Serious Issue. This usually means the main computer is fried. Try a hard reset first, but prepare to replace the board.

What It Means

The F01 code stands for Primary Control Failure. The main brain of the washer isn’t talking to the motor.

Common Causes

  1. Power surge damaged the board.
  2. Loose connections between CCU and MCU.
  3. Faulty EEPROM on the main board.

Step-by-Step Fix

  1. Hard Reset: Unplug washer for 5 minutes. Plug back in.
  2. Check Connections: Remove top panel. Check all wire harnesses on the Central Control Unit (CCU).
  3. Inspect Board: Look for burn marks on the green circuit board.
  4. Replace: If reset fails, replace the CCU.

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