FieldBench
Goodman codes

Goodman

EAF / EAL / EAS / Ear

Hazard

A2L mitigation

Leak / comm / relay alarm from the A2L board when paired with R-32 or R-454B outdoor.

Walk EAF / EAL / EAS / Ear in Diagnose

Sign in for the next measurement

First check

1 Confirm this pair is actually A2L

On Goodman GR9S96 FE3 / LE4 / SE5 / rE6-class codes are only valid when this furnace is tied to an R-32 or R-454B outdoor. On R-410A this is a miswired mitigation harness — not a leaking indoor coil.

Expect: Outdoor refrigerant from the outdoor nameplate, not from memory.

If fail: Remove / correct the mitigation harness. Do not condemn the IFC.

The rest of the walkthrough is Diagnose.

On the plates

  • Only valid on A2L pairs. On 410A this is a miswired mitigation harness.

Plates that use EAF / EAL / EAS / Ear