Goodman · Furnace
Goodman APG13 error codes
Goodman and Amana APG13, GPG13, APG15 combined furnace and AC flash codes. 9 codes.
Check this is your model before you read on
The model number on your data plate should start with APG13, GPG13. These platforms share one LED counter between the gas section and the cooling section, so a furnace table and an AC table cannot be separated. On the APG15 the gas codes run 1 to 5 and the cooling codes start at 6.
One LED counter is shared between the gas section and the cooling section, so furnace and AC codes cannot be separated.
The same table applies to amana, Daikin models on the same control platform.
How to read this code
Single LED, counted blinks, pause between groups.
2000s. 9 codes on this control platform.
9 fault codes
Every one of these means something is wrong. Ordered by how urgent they are.
1 flashGoodmanIgnition failure, rollout open, or auxiliary limit open2 flashesGoodmanOpen end centrifugal switch3 flashesGoodmanClosed end centrifugal switch with no combustion motor4 flashesGoodmanOpen high limit switch5 flashesGoodmanFlame detected when no flame should be present6 flashesGoodmanCompressor time delay or short cycle timer7 flashesGoodmanLimit opened five times in the same call for heat8 flashesGoodmanIndoor or outdoor thermostat open, cooling only9 flashesGoodmanHeat pump or loss of charge switch open, cooling only