Appliance
Furnace error codes
Gas furnace fault codes. Codes depend on your model family, so check the model number first.
86 codes indexed
- 1 flashGoodman · Furnace / Amana / Daikin
Lockout after too many ignition tries
GMV, GMH, GMS and GMN legacy flash series
- 2 flashesGoodman · Furnace / Amana / Daikin
Pressure switch stuck closed
GMV, GMH, GMS and GMN legacy flash series
- 3 flashesGoodman · Furnace / Amana / Daikin
Pressure switch stuck open
GMV, GMH, GMS and GMN legacy flash series
- 4 flashesGoodman · Furnace / Amana / Daikin
High limit switch open
GMV, GMH, GMS and GMN legacy flash series
- 5 flashesGoodman · Furnace / Amana / Daikin
Flame detected when no flame should be present
GMV, GMH, GMS and GMN legacy flash series
- 6 flashesGoodman · Furnace / Amana / Daikin
Rollout switch open
GMV, GMH, GMS and GMN legacy flash series
- 7 flashesGoodman · Furnace / Amana / Daikin
Low flame signal
GMV, GMH, GMS and GMN legacy flash series
- 8 flashesGoodman · Furnace / Amana / Daikin
Igniter fault or bad grounding
GMV, GMH, GMS and GMN legacy flash series
- 9 flashesGoodman · Furnace / Amana / Daikin
High stage pressure switch stuck open
GMV, GMH, GMS and GMN legacy flash series
- 1 flashGoodman · Furnace / Amana
Furnace lockout after 3 ignition retries
GMSS9 / GCSS9 / AMSS9 / ACSS9
- 2 flashesGoodman · Furnace / Amana
Pressure switch circuit closed
GMSS9 / GCSS9 / AMSS9 / ACSS9
- 3 flashesGoodman · Furnace / Amana
Pressure switch circuit not closed
GMSS9 / GCSS9 / AMSS9 / ACSS9
- 4 flashesGoodman · Furnace / Amana
Primary or auxiliary limit circuit open
GMSS9 / GCSS9 / AMSS9 / ACSS9
- 5 flashesGoodman · Furnace / Amana
Flame sensed with no call for heat
GMSS9 / GCSS9 / AMSS9 / ACSS9
- 6 flashesGoodman · Furnace / Amana
Rollout limit open or control module fuse blown
GMSS9 / GCSS9 / AMSS9 / ACSS9
- 7 flashesGoodman · Furnace / Amana
Flame sense signal low
GMSS9 / GCSS9 / AMSS9 / ACSS9
- 8 flashesGoodman · Furnace / Amana
Problem with igniter circuit
GMSS9 / GCSS9 / AMSS9 / ACSS9
- b0Goodman · Furnace / Amana / Daikin
Blower motor not running
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- b1Goodman · Furnace / Amana / Daikin
Blower communication error
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- b2Goodman · Furnace / Amana / Daikin
Blower horsepower mismatch
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- b3Goodman · Furnace / Amana / Daikin
Blower motor running in power, temperature or speed limit
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- b4Goodman · Furnace / Amana / Daikin
Blower motor current trip or lost rotor
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- b5Goodman · Furnace / Amana / Daikin
Blower motor locked rotor
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- b6Goodman · Furnace / Amana / Daikin
Blower motor voltage or over temperature trip
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- b7Goodman · Furnace / Amana / Daikin
Incomplete parameters sent to motor
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- b9Goodman · Furnace / Amana / Daikin
Low indoor airflow
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- d0Goodman · Furnace / Amana / Daikin
Data not yet on network
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- d4Goodman · Furnace / Amana / Daikin
Invalid memory card data
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- E0Goodman · Furnace / Amana / Daikin
Lockout after too many ignition retries
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- E1Goodman · Furnace / Amana / Daikin
Low stage pressure switch stuck closed at start of heat
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- E2Goodman · Furnace / Amana / Daikin
Low stage pressure switch stuck open
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- E3Goodman · Furnace / Amana / Daikin
Open high limit switch
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- E4Goodman · Furnace / Amana / Daikin
Flame detected when no flame should be present
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- E5Goodman · Furnace / Amana / Daikin
Open low voltage fuse
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- E6Goodman · Furnace / Amana / Daikin
Low flame signal
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- E7Goodman · Furnace / Amana / Daikin
Igniter fault or improper grounding
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- E8Goodman · Furnace / Amana / Daikin
High stage pressure switch stuck closed at start of heat
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- E9Goodman · Furnace / Amana / Daikin
High stage pressure switch stuck open
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- EAGoodman · Furnace / Amana / Daikin
Reversed 115 volt polarity
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- ECGoodman · Furnace / Amana / Daikin
Inducer motor overcurrent fault
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- EdGoodman · Furnace / Amana / Daikin
Rollout switch open
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- EFGoodman · Furnace / Amana / Daikin
Auxiliary input open
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- IFGoodman · Furnace / Amana / Daikin
Internal control fault
GMVM96 / GMVM97 / GCVM96 / AMVM96 / ACVM96
- b0Goodman · Furnace
Blower motor not running
GMVC95 / GCVC95 / GCVC96 / AMVC96
- b1Goodman · Furnace
Blower communication error
GMVC95 / GCVC95 / GCVC96 / AMVC96
- b2Goodman · Furnace
Blower horsepower mismatch
GMVC95 / GCVC95 / GCVC96 / AMVC96
- b3Goodman · Furnace
Blower running in a protection limit
GMVC95 / GCVC95 / GCVC96 / AMVC96
- b4Goodman · Furnace
Blower current trip or lost rotor
GMVC95 / GCVC95 / GCVC96 / AMVC96
- b5Goodman · Furnace
Blower motor locked rotor
GMVC95 / GCVC95 / GCVC96 / AMVC96
- b6Goodman · Furnace
Blower voltage or over temperature trip
GMVC95 / GCVC95 / GCVC96 / AMVC96
- b7Goodman · Furnace
Incomplete parameters sent to motor
GMVC95 / GCVC95 / GCVC96 / AMVC96
- b9Goodman · Furnace
Low indoor airflow
GMVC95 / GCVC95 / GCVC96 / AMVC96
- d0Goodman · Furnace
Data not yet on network
GMVC95 / GCVC95 / GCVC96 / AMVC96
- d4Goodman · Furnace
Invalid memory card data
GMVC95 / GCVC95 / GCVC96 / AMVC96
- E0Goodman · Furnace
Lockout after too many ignition retries
GMVC95 / GCVC95 / GCVC96 / AMVC96
- E1Goodman · Furnace
Low stage pressure switch stuck closed
GMVC95 / GCVC95 / GCVC96 / AMVC96
- E2Goodman · Furnace
Low stage pressure switch stuck open
GMVC95 / GCVC95 / GCVC96 / AMVC96
- E3Goodman · Furnace
Open high limit switch
GMVC95 / GCVC95 / GCVC96 / AMVC96
- E4Goodman · Furnace
Flame detected when no flame should be present
GMVC95 / GCVC95 / GCVC96 / AMVC96
- E5Goodman · Furnace
Open low voltage fuse
GMVC95 / GCVC95 / GCVC96 / AMVC96
- E6Goodman · Furnace
Low flame signal
GMVC95 / GCVC95 / GCVC96 / AMVC96
- E7Goodman · Furnace
Igniter fault or improper grounding
GMVC95 / GCVC95 / GCVC96 / AMVC96
- E8Goodman · Furnace
High stage pressure switch stuck closed
GMVC95 / GCVC95 / GCVC96 / AMVC96
- E9Goodman · Furnace
High stage pressure switch stuck open
GMVC95 / GCVC95 / GCVC96 / AMVC96
- EAGoodman · Furnace
Reversed 115 volt polarity
GMVC95 / GCVC95 / GCVC96 / AMVC96
- IFGoodman · Furnace
Internal control fault
GMVC95 / GCVC95 / GCVC96 / AMVC96
- dFtGoodman · Furnace
Defrost demand
GM9S96 / GR9S96
Not a fault - F01Goodman · Furnace
Blower speed setup value 1
GM9S96 / GR9S96
Not a fault - FAnGoodman · Furnace
Fan command
GM9S96 / GR9S96
Not a fault - gHGoodman · Furnace
Gas heat demand
GM9S96 / GR9S96
Not a fault - IdLGoodman · Furnace
Idle
GM9S96 / GR9S96
Not a fault - E1IGoodman · Furnace
Ignition fault
GM9S96 / GR9S96
- EAFGoodman · Furnace
Flame signal out of range during a heat cycle
GM9S96 / GR9S96
- EALGoodman · Furnace
Airflow fault, lower limit
GM9S96 / GR9S96
- EbLGoodman · Furnace
Blower fault, lower circuit
GM9S96 / GR9S96
- EbUGoodman · Furnace
Blower fault, upper circuit
GM9S96 / GR9S96
- EE0Goodman · Furnace
Lockout after repeated ignition failures
GM9S96 / GR9S96
- 1 flashGoodman · Furnace / Amana
Ignition failure, rollout open, or auxiliary limit open
APG13 / GPG13
- 2 flashesGoodman · Furnace / Amana
Open end centrifugal switch
APG13 / GPG13
- 3 flashesGoodman · Furnace / Amana
Closed end centrifugal switch with no combustion motor
APG13 / GPG13
- 4 flashesGoodman · Furnace / Amana
Open high limit switch
APG13 / GPG13
- 5 flashesGoodman · Furnace / Amana
Flame detected when no flame should be present
APG13 / GPG13
- 6 flashesGoodman · Furnace / Amana
Compressor time delay or short cycle timer
APG13 / GPG13
- 7 flashesGoodman · Furnace / Amana
Limit opened five times in the same call for heat
APG13 / GPG13
- 8 flashesGoodman · Furnace / Amana
Indoor or outdoor thermostat open, cooling only
APG13 / GPG13
- 9 flashesGoodman · Furnace / Amana
Heat pump or loss of charge switch open, cooling only
APG13 / GPG13
Pick your brand, then your model family
86 codes across 6 model families. The model family matters, because two furnace models from the same brand can read the same number as two different faults.
Goodman
86 codesGoodman, Amana and Daikin furnaces run on shared control platforms, so they share code tables. The same number can mean different things on different Goodman model families.
GMVM96
26 codes · 2010sGMVC95
23 codes · 2000s-2010sSimilar to GMVM96 but has no rollout code, which changes the safety story.
GM9S96
11 codes · 2020sOn this platform F01 to F09 are blower speed setup values in the installer menu, not faults. IdL means Idle, not 1DL.
APG13
9 codes · 2000sOne LED counter is shared between the gas section and the cooling section, so furnace and AC codes cannot be separated.
GMV / GMH / GMS / GMN
9 codes · 1980s-2000sOne shared control table covers the whole legacy group, so these series are listed together. Not every series reports every code: the GMN, GMP and GMT group stops at 5 flashes, the GDS, GHS, GMS and GKS group stops at 7, and only the two-stage GMV reports 9. Each code page states which series it applies to.
GMSS9 / GCSS9
8 codes · 2000sA Honeywell-platform control with its own wording and its own code assignments. It is not the GMV table.
Amana
52 codesAmana heating and cooling is built on Goodman control platforms, so Goodman model families and code tables apply.
AMVM96 / ACVM96
26 codes · 2010sAmana units with this platform run the same control board, so Goodman publishes the codes and you are reading the same table.
AMV / GCH / GDS
9 codes · 1980s-2000sAmana units with this platform run the same control board, so Goodman publishes the codes and you are reading the same table.
One shared control table covers the whole legacy group, so these series are listed together. Amana units in the GMN, GMP and GMT group stop at 5 flashes and those in the GDS, GHS, GMS and GKS group stop at 7, so the higher codes do not apply to every Amana in this group. Each code page states which series it covers.
APG13
9 codes · 2000sAmana units with this platform run the same control board, so Goodman publishes the codes and you are reading the same table.
One LED counter is shared between the gas section and the cooling section, so furnace and AC codes cannot be separated.
AMSS9 / ACSS9
8 codes · 2000sAmana units with this platform run the same control board, so Goodman publishes the codes and you are reading the same table.
A Honeywell-platform control with its own wording and its own code assignments. It is not the GMV table.
Daikin
35 codesDaikin furnaces use Goodman control platforms, so Goodman model families apply. Daikin VRV IV heat pumps and Daikin mini split and thermostat codes are entirely separate systems with their own code tables.
GMVM96 platform
26 codes · 2010sDaikin units with this platform run the same control board, so Goodman publishes the codes and you are reading the same table.
GMV / GMH / GMS / GMN platform
9 codes · 1980s-2000sDaikin units with this platform run the same control board, so Goodman publishes the codes and you are reading the same table.
Daikin-badged units in this group run the same control as the Goodman and Amana legacy furnaces, so the same table and the same per-series code coverage apply.