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Goodman · technician tips

Goodman service menus, test modes and resets

5 tips for air handler, furnace: access codes, button combinations, test modes and the resets you need at the appliance.

Jump to: Service & test modes (1) · Reset & cancel (4)

Service & test modes

Forced fan, low and high fire, test and diagnostic modes, error history and live data.

Run the R-32 leak alarm test (RDS test mode)

Air handler · Goodman/Amana R-32 AMST/AWSF/ACSF air handlers

Simulates an R-32 leak alarm for 5 minutes to prove the system reacts; the red LED flashes fast as in a real alarm.

  1. Press the manual test button on the control board 2 times within 5 seconds
  2. The LED flashes fast and the control acts as if a leak were detected
  3. The test ends by itself after 5 minutes, or press the button once to stop it early

Applies to: AMST/AWSF/ACSF R-32 air handlers

Source: R-32 GLXS/GLZS and AMST/AWSF service RS6200301, RDS A2L PCB FAULT CODE table p.25 and Recommended Action table p.26. Written in our own words; check the manual for your exact model.

Reset & cancel

Clearing lockouts, service reminders and fault history; skipping purge or de-air programs.

Restart indoor-outdoor communication (Lrn)

Air handler · Goodman/Amana ComfortBridge AVPTC/MBVC

The Lrn menu action restarts communication between the indoor and outdoor units.

  1. Scroll to Lrn with the Left or Right button
  2. Press the Center button to select it

Applies to: AVPTC / MBVC ComfortBridge air handlers

Source: Goodman ComfortNet ASXC-DSXC-GSXC / ASZC-DSZC-GSZC / AVPTC-MBVC service, Air Handler Display (B*) menu table pp.61-62 and Menu Navigation p.64. Written in our own words; check the manual for your exact model.

View and clear the 6 most recent faults (FCL / L6F)

Air handler · Goodman/Amana ComfortBridge AVPTC/MBVC

On communicating systems the FCL menu item (labelled L6F in the furnace-style menu) shows the 6 most recent faults and lets you clear them.

  1. Use the Left or Right button to scroll to FCL
  2. Press the Center button to enter the menu and read the codes
  3. Clear them from the same menu if wanted

Applies to: AVPTC / MBVC ComfortBridge air handlers

Source: Goodman ComfortNet ASXC-DSXC-GSXC / ASZC-DSZC-GSZC / AVPTC-MBVC service, Air Handler Display (B*) menu table pp.61-62 and Menu Navigation p.64. Written in our own words; check the manual for your exact model.

Reset the furnace control to factory defaults (rFd)

Furnace · Goodman/Amana GM9S96/AM9S96, Goodman/Amana GM9S80/AM9S80, Goodman/Amana GM9C96/AM9C96

The rFd menu item returns the control menu settings to factory defaults.

  1. Press the left or right switch until rFd shows
  2. Press the center switch, pick yes or no with the left or right switch
  3. Press the center switch to confirm

Applies to: GM9S96/AM9S96, GM9S80/AM9S80 and GM9C96/AM9C96 furnaces (7-segment control)

Source: GM9S96 service RS6612022r1, LED Display Menu p.27 and chart p.29; GM9S80 service RS6621008r2, LED Display Menu p.30 and chart p.32; GM9C96 service RS6612020r1, LED Display Menu p.33 and chart p.35. Written in our own words; check the manual for your exact model.

View and clear the last 6 stored faults (L6F)

Furnace · Goodman/Amana GM9S96/AM9S96, Goodman/Amana GM9S80/AM9S80, Goodman/Amana GM9C96/AM9C96

The L6F menu item lists the last 6 fault codes, newest first. Read the stored code through the sight glass before opening the blower door, since opening it without holding the door switch closed erases the stored code.

  1. Press the left or right switch until L6F shows
  2. Press the center switch and read the stored faults
  3. To erase them, keep the center switch pressed for 5 to 30 seconds; the display blinks three dashes three times, then shows L6F again

Applies to: GM9S96/AM9S96, GM9S80/AM9S80 and GM9C96/AM9C96 furnaces (7-segment control)

Source: GM9S96 service RS6612022r1, LED Display Menu p.27 and chart p.29; GM9S80 service RS6621008r2, LED Display Menu p.30 and chart p.32; GM9C96 service RS6612020r1, LED Display Menu p.33 and chart p.35. Written in our own words; check the manual for your exact model.

Related

Goodman error codes · Goodman parts

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For licensed technicians. Installer menus, test modes and access codes change settings that affect safety; only use them if you are trained on the appliance and understand the result. Gas, electrical and refrigerant work must be done by a qualified, licensed person, and the manufacturer’s manual for the exact model and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.