Goodman · Furnace

AC1 Cooling, low stage (communicating)

Normal status Goodman/Amana *MVC96 (34.5 in. chassis)

What the display is showing

Compressor is in low-stage cooling with a communicating outdoor unit.

Applies to: GMVC96, GCVC96, AMVC96, ACVC96 (*BA, ComfortBridge)

Settings for these units

Normal status displays (7-segment) · Goodman/Amana GM9S96/AM9S96
Normal status displays (7-segment) · Goodman/Amana GM9S80/AM9S80
Normal status displays (7-segment) · Goodman/Amana GM9C96/AM9C96
Minimum recommended filter size · Goodman/Amana GM9C96/AM9C96

Models that show this code

16 models in Goodman/Amana *MVC96 (34.5 in. chassis)

*CVC960403BNB**CVC960603BNB**CVC960804CNB**CVC961005CNB**CVC961205DNB**MVC960403BNB**MVC960603BNB**MVC960803BNB**MVC960804CNB**MVC961005CNB**MVC961005DNB**MVC961205DNB*ACVC96AMVC96GCVC96GMVC96

Other codes on the same units

AC2 Cooling, high stage (communicating)
dF1 Defrost, low-stage gas heat
dF2 Defrost, high-stage gas heat
E12 Redundant relay open
E13 Redundant relay stuck closed
Eb0 Blower motor not running
Eb1 Lost communication with blower motor
Eb2 Blower motor hp does not match model data

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Source: Goodman Service and Troubleshooting ACVC96*BA/AMVC96*BA/GCVC96*BA/GMVC96*BA , Alarm Code Table p.56 / Status Menu table p.57. Summarized in our own words; check the original manual for your model.

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.