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Goodman gas furnace error codes

Complete list of 105 checked codes for Goodman gas furnaces, with what each code means and whether you can fix it yourself.

Reference sheet from https://faultcodeindex.com/goodman/gas-furnace/ (checked against Goodman manuals).

105 codes
Code Meaning What you can do
b0 Circulator blower motor not running Call a pro
b1 Lost communication with the circulator blower motor Call a pro
b2 Blower motor size does not match the shared data Call a pro
b3 Blower motor limiting its power, temperature or speed You can often fix it
b4 Blower motor tripped (lost rotor control or high current) Safe checks first, then a pro
b5 Blower motor fails to start (locked rotor) Call a pro
b6 Blower motor shut down for voltage or overheating Call a pro
b7 Blower motor lacks the data it needs to run Call a pro
b9 Low indoor airflow You can often fix it
d0 No shared data loaded on the control board Call a pro
d4 Invalid memory card data Call a pro
E0 Lockout after three failed ignition attempts Safe checks first, then a pro
E1 Low-stage pressure switch closed at start of heating Call a pro
E1A Onboard return air sensor shorted Call a pro
E2 Low-stage pressure switch not closing Safe checks first, then a pro
E3 Overheat (depends on model) Safe checks first, then a pro
E4 Flame sensed with no call for heat Safe checks first, then a pro
E5 Open fuse on the control board Call a pro
E6 Weak flame signal Call a pro
E7 Igniter circuit problem or poor ground Call a pro
E8 High-stage pressure switch closed at start of heating Call a pro
E9 High-stage pressure switch not closing Safe checks first, then a pro
E10 Grounding fault or poor neutral connection Call a pro
E11 Rollout switch open Call a pro
E15 External return air sensor circuit open Call a pro
E16 External return air sensor circuit shorted Call a pro
E17 Supply air sensor circuit open Call a pro
E18 Supply air sensor circuit shorted Call a pro
E19 Onboard return air sensor unplugged Call a pro
EA Reversed polarity or poor ground Call a pro
EA0 R-32 refrigerant leak detected Safe checks first, then a pro
EA1 R-32 refrigerant sensor fault Safe checks first, then a pro
EA2 A2L relay fault on the control board Safe checks first, then a pro
EAF Lost communication with the R-32 refrigerant sensor Safe checks first, then a pro
EAL R-32 refrigerant leak detected Safe checks first, then a pro
EAr A2L relay fault on the control board Safe checks first, then a pro
EAS R-32 refrigerant sensor fault Safe checks first, then a pro
Eb0 Circulator blower motor not running Call a pro
Eb1 Lost communication with the circulator blower motor Call a pro
Eb2 Blower motor size does not match the shared data Call a pro
Eb3 Blower motor limiting its power, temperature or speed You can often fix it
Eb4 Blower motor tripped (lost rotor control or high current) Safe checks first, then a pro
Eb5 Blower motor fails to start (locked rotor) Call a pro
Eb6 Blower motor shut down for voltage or overheating Call a pro
Eb7 Blower motor lacks the data it needs to run Call a pro
Eb9 Low indoor airflow You can often fix it
EbF Inducer communication error Call a pro
EbL Blower motor drawing too little current (hard lockout) Call a pro
EbU Blower motor drawing current during pre-purge (hard lockout) Call a pro
EC Inducer motor overcurrent Call a pro
ECF Gas valve stepper motor communication error Call a pro
Ed Manual-reset rollout switch open Call a pro
Ed0 No shared data loaded on the control board Call a pro
Ed1 Invalid shared data Call a pro
Ed8 Invalid call, outdoor unit setting does not match Call a pro
EE No power to the control board, or an internal control fault You can often fix it
EE0 Lockout after three failed ignition attempts Safe checks first, then a pro
EE1 Pressure switch closed at start of heating Call a pro
EE2 Pressure switch not closing Call a pro
EE3 Primary limit switch open Safe checks first, then a pro
EE4 Flame sensed with no call for heat Safe checks first, then a pro
EE5 Open fuse on the control board Call a pro
EE6 Weak flame signal Call a pro
EE7 Igniter circuit problem Call a pro
EE8 High-stage pressure switch closed at start of heating Call a pro
EE9 High-stage pressure switch not closing Call a pro
EEA Reversed polarity or poor ground Call a pro
EEb Gas valve not powered when it should be Call a pro
EEC Gas valve powered when it should be off Safe checks first, then a pro
EEd Auxiliary limit switch open (blower compartment) Safe checks first, then a pro
EEE Internal control board fault Call a pro
EEF Auxiliary (condensate) switch open Call a pro
EEH Twinning error Call a pro
EEJ Inducer relay error Call a pro
EEL Igniter circuit problem Call a pro
EEn Igniter open Call a pro
EF Condensate blockage (depends on model) Call a pro
IdL Idle, normal operation You can often fix it
IF Internal control board fault Call a pro
1 amber flash Low-stage heat call You can often fix it
2 amber flashes High-stage or single-stage heat call You can often fix it
3 amber flashes Second-stage heat call without first stage Safe checks first, then a pro
4 amber flashes Cooling call without a fan signal Safe checks first, then a pro
amber light flashing rapidly Weak flame signal Call a pro
1 green flash Low-stage cooling call You can often fix it
2 green flashes High-stage or single-stage cooling call You can often fix it
green light flashing rapidly Fan-only call You can often fix it
steady green light Standby, waiting for a call You can often fix it
light off No power to the control board Safe checks first, then a pro
1 red flash Ignition failure or gas valve fault (depends on model) Safe checks first, then a pro
2 red flashes Pressure switch closed when it should be open Call a pro
3 red flashes Pressure switch not closing Safe checks first, then a pro
3 double red flashes High-stage pressure switch stuck open Call a pro
4 red flashes Overheat (depends on model) Safe checks first, then a pro
5 red flashes Sensor fault or overheat (depends on model) Safe checks first, then a pro
6 red flashes Overheat / flue or venting fault (depends on model) Depends on your model
7 red flashes Flame loss or ignition failure (depends on model) Depends on your model
8 red flashes Ignition failure or flame loss (depends on model) Depends on your model
9 red flashes Configuration error or electrical fault (depends on model) Call a pro
10 red flashes Power supply problem or gas valve fault (depends on model) Depends on your model
11 red flashes Ignition failure or overheat (depends on model) Call a pro
12 red flashes Flue or venting fault / ignition failure (depends on model) Call a pro
red light flashing rapidly Electrical fault or configuration error (depends on model) Call a pro
steady red light Normal operation or control board internal fault (depends on model) Depends on your model
On Normal operation You can often fix it

Model ranges