❄️Refrigerator

Whirlpool · Whirlpool WRS331SDHM 21 cu. ft. Side-by-Side Refrigerator

Whirlpool Whirlpool WRS331SDHM 21 cu. ft. Side-by-Side Refrigerator CF Error Fix: Communication Fault

A communication error between the display board and the main electronic control board. The display may be blank, show "CF," or behave erratically. Check the wiring harness between the display board (in the door or grille) and the main board (typically at the back of the refrigerator). On French door models, the display communication wire runs through the door hinge area and can break from repeated door opening. Unplug the refrigerator for 5 minutes to attempt a reset. If CF persists, the display board or main control board may need replacement.

warning2 fixes available✨ Free fix available

Quick Answer

Error CF on the Whirlpool Whirlpool WRS331SDHM 21 cu. ft. Side-by-Side Refrigerator means: Communication Fault. The top-ranked community fix is “Replace Display Board or Main Control Board” (medium difficulty, ~60 min, DIY cost: $50-$120). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · refrigerator

Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.

When to Call a Professional

While many refrigerator repairs can be done safely at home, consider hiring a qualified technician if:

The repair involves electrical wiring, gas lines, or refrigerant
You've tried the top-ranked fix and the error persists
You smell gas, see sparking, or notice water leaking
The repair requires specialized tools you don't have
Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $150-$300.

Other Whirlpool Models with Error CF

Whirlpool WRF535SWHZ 25 cu. ft. French Door Refrigerator

refrigerator · 2 fixes

Whirlpool WRT318FZDW 18 cu. ft. Top Freezer Refrigerator

refrigerator · 2 fixes

Other Whirlpool Whirlpool WRS331SDHM 21 cu. ft. Side-by-Side Refrigerator Error Codes

Defrost Bimetal/Thermostat Failure

2 fixes

Defrost Heater Failure

2 fixes

Defrost Timer/Board Failure

2 fixes

MECH-COMPRESSOR

Compressor Click-and-Buzz Failure

2 fixes

MECH-ICE-BUILDUP

Frost/Ice Buildup in Freezer

2 fixes

MECH-ICE-MAKER

Ice Maker Not Making Ice

2 fixes

MECH-NOISY

Refrigerator Making Loud Noise

2 fixes

MECH-NOT-COOL

Refrigerator Not Cooling

2 fixes

People Also Ask About Whirlpool Whirlpool WRS331SDHM 21 cu. ft. Side-by-Side Refrigerator Error CF

What does error code CF mean on a Whirlpool Whirlpool WRS331SDHM 21 cu. ft. Side-by-Side Refrigerator?

Error code CF on the Whirlpool Whirlpool WRS331SDHM 21 cu. ft. Side-by-Side Refrigerator means: Communication Fault. A communication error between the display board and the main electronic control board. The display may be blank, show "CF," or behave erratically. Check the wiring harness between the display board (in the door or grille) and the main board (typically at the back of the refrigerator). On French door models, the display communication wire runs through the door hinge area and can break from repeated door opening. Unplug the refrigerator for 5 minutes to attempt a reset. If CF persists, the display board or main control board may need replacement.

How do I fix error code CF on my Whirlpool Whirlpool WRS331SDHM 21 cu. ft. Side-by-Side Refrigerator?

The most successful fix is "Replace Display Board or Main Control Board" (medium difficulty, ~60 minutes). Estimated DIY cost: $50-$120. HomeMD has 2 community-ranked fixes for this error.

Is error code CF on a Whirlpool Whirlpool WRS331SDHM 21 cu. ft. Side-by-Side Refrigerator serious?

This error is rated warning severity. It is generally not urgent and can often be resolved with a simple DIY fix.

Can I fix Whirlpool Whirlpool WRS331SDHM 21 cu. ft. Side-by-Side Refrigerator error CF myself?

Yes — the top-ranked community fix ("Replace Display Board or Main Control Board") is rated medium difficulty and takes about 60 minutes. Tools needed: T15 Torx screwdriver, Multimeter.

How much does it cost to repair Whirlpool Whirlpool WRS331SDHM 21 cu. ft. Side-by-Side Refrigerator error CF?

DIY cost: $50-$120. Professional repair typically costs $150-$300. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the Whirlpool Whirlpool WRS331SDHM 21 cu. ft. Side-by-Side Refrigerator have?

The Whirlpool Whirlpool WRS331SDHM 21 cu. ft. Side-by-Side Refrigerator has 8 other known error codes, including: 1 (Defrost Bimetal/Thermostat Failure), 2 (Defrost Heater Failure), 3 (Defrost Timer/Board Failure), MECH-COMPRESSOR (Compressor Click-and-Buzz Failure), MECH-ICE-BUILDUP (Frost/Ice Buildup in Freezer), and 3 more.

Which other Whirlpool models have the CF error?

Error code CF also appears on 2 other Whirlpool models: Whirlpool WRF535SWHZ 25 cu. ft. French Door Refrigerator, Whirlpool WRT318FZDW 18 cu. ft. Top Freezer Refrigerator. The fix may vary by model, so check each model's specific page for tailored repair steps.

What other error codes does the Whirlpool Whirlpool WRS331SDHM 21 cu. ft. Side-by-Side Refrigerator have?

The Whirlpool Whirlpool WRS331SDHM 21 cu. ft. Side-by-Side Refrigerator has 8 other known error codes:

1 — Defrost Bimetal/Thermostat Failure (2 fixes)
2 — Defrost Heater Failure (2 fixes)
3 — Defrost Timer/Board Failure (2 fixes)
MECH-COMPRESSOR — Compressor Click-and-Buzz Failure (2 fixes)
MECH-ICE-BUILDUP — Frost/Ice Buildup in Freezer (2 fixes)
MECH-ICE-MAKER — Ice Maker Not Making Ice (2 fixes)
MECH-NOISY — Refrigerator Making Loud Noise (2 fixes)
MECH-NOT-COOL — Refrigerator Not Cooling (2 fixes)

Which other Whirlpool models have the CF error?

Error code CF also appears on 2 other Whirlpool models:

Whirlpool WRF535SWHZ 25 cu. ft. French Door Refrigerator (refrigerator) · 2 fixes
Whirlpool WRT318FZDW 18 cu. ft. Top Freezer Refrigerator (refrigerator) · 2 fixes

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