LG Refrigerator Er FS · rS · dS Error Code — Meaning & Repair Cost (2026)
Sensor errors — freezer / fridge / defrost. Below: the most likely causes, and what the matching repair costs — Estimated national ranges with a metro localizer. Reviewed July 2026.
What Er FS · rS · dS means
Sensor errors — freezer / fridge / defrost.
Likely causes, most common first
- An open, shorted, or disconnected temperature sensor
Base: ApplianceRepairService.ca fault-code library · Code meaning & causes · Reviewed July 2026
What it usually costs to fix Estimated
Er FS · rS · dS on an LG refrigerator resolves to the refrigerator not cooling problem. LG parts typically run ×1.2 against the mainstream baseline (proprietary Korean OEM parts, limited aftermarket competition; LG drum-motor repair (~$325) runs above comparable Whirlpool (~$240)), and the ranges below already include it.
$90–$780 national estimate to fix the fault behind Er FS · rS · dS (LG parts ×1.2). Enter a ZIP to localize.
| Most common repair | Typical total | DIY? |
|---|---|---|
| Condenser coil cleaning / condenser fan motor replacement | $90–$285 | DIY possible |
| Evaporator fan motor replacement | $165–$330 | Pro recommended |
| Start relay / capacitor replacement | $90–$240 | DIY possible |
| Defrost system repair (defrost heater / thermostat / timer) | $155–$425 | Pro recommended |
| Temperature control / main control board replacement | $215–$780 | Pro recommended |
Plus a typical service-call / diagnostic fee of $75–$150, often credited toward the repair.
Pick a quality tier for a class-typical estimate, or a specific brand to override it (brand adjusts the parts portion only). Enter a ZIP or Canadian postal code to localize to your metro's labor costs. Everything updates without a page reload; no data leaves your browser except the shard lookup.
Base: 2 published national repair-cost guides (retrieved 2026-07) · full source registry on the methodology page · National base range (BLS OEWS May 2025 + BEA RPP 2024) · Reviewed July 2026 · Estimated
Codes are universal — your location changes the repair price, never the code's meaning. See the methodology for the exact localization formula and sources.
Reviewed by a Red-Seal certified appliance technician.