GOODMAN DIAGNOSTIC REFERENCE MODULATING FURNACE (GMVM97) — DUAL 7-SEGMENT DISPLAY DOC GOODMAN-GMVM97-E9

Goodman furnace: High-Stage Pressure Switch Stuck Open (E9)

Q: What does E9 mean on a Goodman GMVM97 furnace?

High-Stage Pressure Switch Stuck Open (E9). PS2 won't close — blocked hose, flue, or drain per the manual. Note: E9 also displays while the control runs its calibration routine; if calibration completes, it clears on its own.

E9 YOUR LIGHT: DISPLAY CODE E9 — MATCH IT ABOVE

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What does E9 mean on a Goodman GMVM97 furnace? PS2 won't close — blocked hose, flue, or drain per the manual. Note: E9 also displays while the control runs its calibration routine; if calibration completes, it clears on its own.

GOOD NEWS: THE FIRST CHECKS ARE FREE AND TAKE MINUTES.

Try these first — in this order

Hose + vent + trap check; let a calibration cycle finish.

1Check: Blocked hose / flue / drain

Still showing the code? See every cause ↓ Get repair quotes near you

Inducer testing. DIY part cost: $25–60 — a pro visit for this class of fault typically runs $150–350.

What causes it (in order of likelihood)

Blocked hose / flue / drain DIY-CHECKABLE
Weak inducer or failing switch TECH

Parts referenced by this code

Pressure Switch

$25–60 · Model-specific — match to your unit’s parts list

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Always match parts against your model's parts list — part numbers vary within a series.

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.47/65/68

Last verified 2026-07-06 · how we verify