Frigidaire refrigerator SY CF code: communication failure at start-up

The display board could not connect to the main control board when the refrigerator powered up. It is usually caused by a loose or damaged wire harness, a recent power surge, or a failed board.

Likely causes

Listed from most to least common.

1. Loose connector on the main control board or display board
2. Wires pinched or broken in the door hinge
3. Power surge or unstable power at the outlet
4. Failed user interface (display) board
5. Failed main control board

How to fix the SY CF code

Unplug the refrigerator or switch it off at the breaker before removing any panel or filter.

1. 1

   Step 1: Power cycle the refrigerator

   Unplug it or switch off the breaker for 5 minutes, then restore power.

2. 2

   Step 2: Check the outlet

   Make sure the plug is pushed fully in and the refrigerator is not on an extension cord or a GFCI outlet that trips.

3. 3

   Step 3: Check the hinge wiring

   With power off, look at the wires at the top door hinge for pinching or wear.

You'll need: Flashlight.

Parts that may need replacing

Check your model number on the label inside the door or on the back before ordering.

• Frigidaire refrigerator main control boardCheck prices

When to call a technician

If SY CF appears every time the refrigerator powers up, a technician needs to test the harness and boards with a meter.

A typical repair for this code costs $200–$500 in the US, including parts and labor. Prices vary by area and model.

Models this applies to

• Gallery and Professional French door refrigerators
• Side-by-side refrigerators
• Bottom-freezer refrigerators

Codes can differ slightly between models. Your owner's manual is the final word and is available from Frigidaire support.

Common questions