GOODMAN DIAGNOSTIC REFERENCE MODULATING FURNACE (GMVM97) — DUAL 7-SEGMENT DISPLAY DOC GOODMAN-GMVM97-D1

Goodman furnace: Configuration: Single-Stage Cooling + Dehumidification (d1)

Q: What does d1 mean on a Goodman GMVM97 furnace?

Configuration: Single-Stage Cooling + Dehumidification (d1). A configuration status code — conventional 1-stage compressor cooling with dehumidification is active. Informational, not a fault.

d1 YOUR LIGHT: DISPLAY CODE D1 — MATCH IT ABOVE

Info — not a fault

What does d1 mean on a Goodman GMVM97 furnace? A configuration status code — conventional 1-stage compressor cooling with dehumidification is active. Informational, not a fault.

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Nothing to fix.

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Applies to

GMVM97

Different Goodman generations use different code maps. If your series isn't listed, don't assume this meaning — check your blower-door label.

Verified against GMVM97-Service, p.68

Last verified 2026-07-06 · how we verify