Goodman · Air conditioner

Comfort Alert 3 Yellow ALERT 3 flashes - short cycling

Medium severity Goodman/Amana R-410A GSX/ASX/DSX (ANX/SSX/VSX)

What the control is telling you

Compressor runs only briefly before stopping.

Applies to: Amana ASX13 (CA revision) and ASX14 (1CA, 1BA and 421DA revisions) condensers fitted with the 2-wire Comfort Alert module

Likely causes

Intermittent thermostat demand
Faulty time delay relay or control board
High or low pressure switch cycling (see codes 2 and 1)

Test and repair steps

Check the thermostat and wiring for intermittent contact.
Check the time delay relay / defrost board.
If pressure switches are fitted, check why they cycle (codes 1 and 2).

Models that show this code

142 models in Goodman/Amana R-410A GSX/ASX/DSX (ANX/SSX/VSX)

ANX130181ANX130241ANX130301ANX130361ANX130421ANX130481ANX130601ANX130611ANX140181ANX140191ANX140241ANX140251ANX140301ANX140361ANX140371ANX140421ANX140431ANX140481ANX140601ASX130181ASX130241ASX130301ASX130361ASX130421ASX130481ASX130601ASX130611ASX140181ASX140191ASX140241ASX140251ASX140301ASX140311ASX140361ASX140371ASX140421ASX140431ASX140481ASX140601ASX160181ASX160241ASX160301ASX160311ASX160361ASX160371ASX160421ASX160481ASX160601ASX160611ASX180**1ABASXH5***10DSX160241DSX160361GSX110903GSX110904GSX111203GSX111204GSX130181GSX130241GSX130301

Other codes on the same units

Comfort Alert 1 Yellow ALERT 1 flash - long run time
Comfort Alert 2 Yellow ALERT 2 flashes - system pressure trip
Comfort Alert 4 Yellow ALERT 4 flashes - locked rotor
Comfort Alert 5 Yellow ALERT 5 flashes - open circuit
Comfort Alert 6 Yellow ALERT 6 flashes - open start circuit
Comfort Alert 7 Yellow ALERT 7 flashes - open run circuit
Comfort Alert 9 Yellow ALERT 9 flashes - low control voltage
Comfort Alert TRIP Red TRIP LED - call present but compressor not running

Save it for the next call

Star this code in the HVACopedia app and keep the whole library on your phone for jobs with no signal.

Open the app

Source: Goodman RS6200006r103 R-410A ASX/GSX/DSX/ASZ/GSZ/DSZ service (text export) - Goodman_R_410A_ASX_GSX_DSX_A_C_and_ASZ_GSZ_DSZ_HP_covers_GSX_GSZ_lines_GSXH5_GSZH5_service.txt - section Diagnostics Table: 2-Wire Comfort Alert Module. Summarized in our own words; check the original manual for your model.

Homeowner looking at this code? See what it means for you and when to call a technician.

For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.