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Goodman GC9S800603AN Error Codes

Updated · by Aurora Star Tech Inc.

Goodman GC9S800603AN error codes and diagnostic codes (also listed as AC9S800603AN, VC9S800603AN, *C9S800603A*). The GC9S800603AN is a Goodman furnace in the Goodman/Amana GM9S80/AM9S80 series.

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Goodman GC9S800603AN error codes list

CodeMeaningSeverity
E10Grounding fault / poor neutral connectionHigh
E11Flame rollout switch openCritical
EE0Lockout - too many ignition retries (3)High
EE1Pressure switch closed at start of heating cycleMedium
EE2Pressure switch did not close (inducer runs, no ignition)Medium
EE3High (primary) limit openHigh
EE4Flame sensed with no call for heatCritical
EE5Open fuse (short in low voltage wiring)Medium
EE6Low flame signalLow
EEAReversed line polarity or grounding errorHigh
EEbExternal gas valve error - valve not energized when it should beHigh
EECInternal gas valve error - valve energized when it should not beCritical
EEEInternal control fault (IRQ loss)High
EEHTwinning errorLow
EEJInducer relay errorHigh
EELIgniter relay / igniter circuit faultHigh
EEnIgniter openHigh

Troubleshooting the GC9S800603AN

Goodman GC9S800603AN specs and setup data

All Goodman Furnace error codes →

Homeowner help: Furnace Not Turning On: What to Check · Furnace Blinking Light: What the Flash Codes Mean

General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.

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