SY CF
Whirlpool Main Control Board Failure

Display shows SY CF, unit may not cool or respond properly.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Internal main control fault, Power surge damage, Corrupted control firmware, Shorted component on control board

How to Fix / Troubleshooting

Safety First: Unplug the refrigerator before accessing the rear control compartment.

Steps:

  • Power cycle: Disconnect power for 5–10 minutes, then restore. If SY CF returns immediately, the board is likely failed.
  • Inspect board: Remove the rear cover and visually inspect the main control for burnt components or corrosion.
  • Check harnesses: Ensure all connectors are fully seated and no pins are bent.
  • Replace control: Install a new Whirlpool OEM main control board, transferring any jumpers or programming plugs as directed in the instructions.
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Repair Difficulty

Hard 4/5

Required Part

Main Control Board
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