Goodman · Furnace

gPt Gas pressure test

Menu / mode display Goodman/Amana *MVC96 (34.5 in. chassis)

What the display is showing

Locks the furnace on 100% fire so you can read manifold pressure. Select Yes. The furnace runs high fire for 5 minutes or until any of the three buttons is pressed. Gas work: qualified gas tech only.

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

dHL Dehumidify logic input level
dHU Dehumidifier on
gAF Gas heat airflow
gFd Gas heat fan off delay
gSt Gas heat stage multiplier
gbP Backup heat balance points
gnd Gas heat fan on delay
gtF Gas heat trim factor

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 Service and Troubleshooting ACVC96*BA/AMVC96*BA/GCVC96*BA/GMVC96*BA , Furnace menu table p.58 and Menus p.34-35. 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.