Goodman · error code

Goodman Air-conditioner ALERT Flash Code 6 Error Code — Meaning & Repair Cost (2026)

Open start circuit - current only in the run circuit. Below: the most likely causes, and what the matching repair costs — Estimated national ranges with a metro localizer. Reviewed July 2026.

CodeALERT Flash Code 6
ApplianceGoodman air-conditioner
Brands covered2
ReviewedJuly 2026

What ALERT Flash Code 6 means

Open start circuit - current only in the run circuit.

Likely causes, most common first

  1. Run capacitor has failed
  2. Open circuit in the compressor start wiring or connections
  3. Compressor start winding is damaged

Also applies to Amana — these brands share the same control platform, so the code and its causes read the same.

Base: 1 published national repair-cost guide (retrieved 2026-07) · full source registry on the methodology page · Code meaning & causes · Reviewed July 2026

What it usually costs to fix Estimated

ALERT Flash Code 6 on a Goodman air-conditioner resolves to the central air conditioning capacitor replacement problem. Goodman parts typically run ×0.85 against the mainstream baseline (Repeatedly cited as the cheapest-parts brand with the widest generic/aftermarket distribution ("Goodman parts are everywhere and inexpensive"); it is the $25-wholesale-capacitor reference point cost guides use when pricing Trane and other brands at a 20-40% premium above it.), and the ranges below already include it.

Repair cost calculator

$200–$630 national estimate to fix the fault behind ALERT Flash Code 6 (Goodman parts ×0.85). Enter a ZIP to localize.

Quality tier (adjusts parts)
National ranges — Goodman air-conditioner capacitor replacement Estimated
Most common repairTypical totalDIY?
Dual-run (run/start) capacitor replacement $200–$440 DIY possible
Capacitor replacement + hard-start kit (weak-compressor start assist) $345–$630 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

See the full central air conditioning capacitor replacement cost guide All error codes

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 who also holds a Technical Safety BC gas ticket (Gas-C) and an ODS/halocarbon refrigerant ticket (CFC/HCFC/HFC).