❄️Refrigerator

ER CO

LG · LRSXS2606S 26 cu. ft. Side-by-Side Refrigerator with Ice & Water Dispenser

LG LRSXS2606S 26 cu. ft. Side-by-Side Refrigerator with Ice & Water Dispenser ER CO Error Fix: Communication Error

Communication failure between main control board and display board. Check wiring harness connections. Reseat all connectors. Loose/corroded connector is most common cause. Try less expensive display board first if connections are secure.

High severity2 fixes available✨ Free fix available

Quick Answer

Error ER CO on the LG LRSXS2606S 26 cu. ft. Side-by-Side Refrigerator with Ice & Water Dispenser means: Communication Error. The top-ranked community fix is “Replace the Display Board to Resolve Communication Failure” (medium difficulty, ~45 min, DIY cost: $15-$20). 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:

This is a high severity error — continued use may cause damage or a safety hazard
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: $120-$180.

Other LG Models with Error ER CO

LRFXC2416S 24 cu. ft. Smart Counter-Depth MAX French Door Refrigerator

refrigerator · 2 fixes

Other LG LRSXS2606S 26 cu. ft. Side-by-Side Refrigerator with Ice & Water Dispenser Error Codes

22 22

Compressor Relay Error

2 fixes

CONDENSER DIRTY

Condenser Coil Dirt Accumulation

2 fixes

DISPENSER SWITCH FAIL

Dispenser Actuator/Switch Failure

Door Seal Failure

Condenser Fan Error

Defrost Heater Error

Defrost Sensor Error

Freezer Fan Error

People Also Ask About LG LRSXS2606S 26 cu. ft. Side-by-Side Refrigerator with Ice & Water Dispenser Error ER CO

What does error code ER CO mean on a LG LRSXS2606S 26 cu. ft. Side-by-Side Refrigerator with Ice & Water Dispenser?

Error code ER CO on the LG LRSXS2606S 26 cu. ft. Side-by-Side Refrigerator with Ice & Water Dispenser means: Communication Error. Communication failure between main control board and display board. Check wiring harness connections. Reseat all connectors. Loose/corroded connector is most common cause. Try less expensive display board first if connections are secure.

How do I fix error code ER CO on my LG LRSXS2606S 26 cu. ft. Side-by-Side Refrigerator with Ice & Water Dispenser?

The most successful fix is "Replace the Display Board to Resolve Communication Failure" (medium difficulty, ~45 minutes). Estimated DIY cost: $15-$20. HomeMD has 2 community-ranked fixes for this error.

Is error code ER CO on a LG LRSXS2606S 26 cu. ft. Side-by-Side Refrigerator with Ice & Water Dispenser serious?

This error is rated high severity. You should address it promptly — continued use could cause damage or safety concerns.

Can I fix LG LRSXS2606S 26 cu. ft. Side-by-Side Refrigerator with Ice & Water Dispenser error ER CO myself?

Yes — the top-ranked community fix ("Replace the Display Board to Resolve Communication Failure") is rated medium difficulty and takes about 45 minutes. Tools needed: T15 Torx screwdriver, Needle-nose pliers, Multimeter.

How much does it cost to repair LG LRSXS2606S 26 cu. ft. Side-by-Side Refrigerator with Ice & Water Dispenser error ER CO?

DIY cost: $15-$20. Professional repair typically costs $120-$180. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the LG LRSXS2606S 26 cu. ft. Side-by-Side Refrigerator with Ice & Water Dispenser have?

The LG LRSXS2606S 26 cu. ft. Side-by-Side Refrigerator with Ice & Water Dispenser has 8 other known error codes, including: 22 22 (Compressor Relay Error), CONDENSER DIRTY (Condenser Coil Dirt Accumulation), DISPENSER SWITCH FAIL (Dispenser Actuator/Switch Failure), DOOR GASKET WORN (Door Seal Failure), ER CF (Condenser Fan Error), and 3 more.

Which other LG models have the ER CO error?

Error code ER CO also appears on 1 other LG model: LRFXC2416S 24 cu. ft. Smart Counter-Depth MAX French Door Refrigerator. The fix may vary by model, so check each model's specific page for tailored repair steps.

What other error codes does the LG LRSXS2606S 26 cu. ft. Side-by-Side Refrigerator with Ice & Water Dispenser have?

The LG LRSXS2606S 26 cu. ft. Side-by-Side Refrigerator with Ice & Water Dispenser has 8 other known error codes:

22 22 — Compressor Relay Error (2 fixes)
CONDENSER DIRTY — Condenser Coil Dirt Accumulation (2 fixes)
DISPENSER SWITCH FAIL — Dispenser Actuator/Switch Failure (2 fixes)
DOOR GASKET WORN — Door Seal Failure (2 fixes)
ER CF — Condenser Fan Error (2 fixes)
ER dH — Defrost Heater Error (2 fixes)
ER dS — Defrost Sensor Error (2 fixes)
ER FF — Freezer Fan Error (2 fixes)

Which other LG models have the ER CO error?

Error code ER CO also appears on 1 other LG model:

LRFXC2416S 24 cu. ft. Smart Counter-Depth MAX French Door Refrigerator (refrigerator) · 2 fixes

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