Goodman

4 field manuals · 10 error codes · 0 guides

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Goodman furnaces

Manual · Furnace

80% gas forced-air furnace: field service manual

Non-condensing (about 80% AFUE) induced-draft gas furnaces with hot surface ignition and an integrated control board; metal flue vent

6 components3 common failuresCarrier, Bryant, Payne, Goodman, Amana, Daikin, Trane, American Standard, Lennox, Rheem, Ruud, York, Coleman, Heil, Tempstar, Comfortmaker
Manual · Furnace

90%+ condensing gas furnace: field service manual

High-efficiency condensing furnaces (about 90-98% AFUE) with a secondary heat exchanger, PVC venting and a condensate trap; single-stage, two-stage and modulating

3 components2 common failuresCarrier, Bryant, Goodman, Amana, Daikin, Trane, American Standard, Lennox, Rheem, Ruud, York, Heil, Tempstar
Manual · Furnace

Electric furnace / air handler with heat strips: field service manual

Electric furnaces and air handlers with resistance heat strips, sequencers or relays, and limits/thermal links

3 components3 common failuresGoodman, Carrier, Trane, Rheem, Lennox, York, Nordyne/Intertherm
Manual · Furnace

Goodman GM9S / GMVC96 condensing gas furnaces: quick sheet

Goodman 96% condensing furnaces: GM9S96 / GM9S80 (single-stage, LED flash codes) and GMVC96 (two-stage, variable-speed). Amana and Daikin badge similar platforms. Some newer boards use a 7-segment display instead of a single LED.

7 components4 common failuresGoodman, Amana, Daikin

Error codes

1 flash Ignition failure / lockout2 flashes Pressure switch stuck closed3 flashes Pressure switch stuck open4 flashes High limit open5 flashes Flame sensed with no call for heat6 flashes Rollout switch open (varies by b…7 flashes Low flame signal8 flashes Board-specific (igniter / lockou…Rapid continuous flashing Reversed line polaritySteady on Internal control failure

Official Goodman manuals & support

Brand names identify appliances only. OnCall Tech is not affiliated with or endorsed by Goodman.