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

Goodman GMVM97 furnace code E9: High-Stage Pressure Switch Stuck Open

E9 YOUR LIGHT: DISPLAY CODE E9 — MATCH IT ABOVE

Professional repair

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.

Before you touch anything: the six signs that mean stop troubleshooting and call a pro →

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)

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

Parts referenced by this code

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

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

Questions about this code

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.

How do I fix Goodman GMVM97 furnace code E9?

If it stays, check the outdoor vent ends from ground level and clear loose snow or leaves by hand. Hose, drain, and inducer testing need a technician.

How much does it cost to fix Goodman GMVM97 furnace code E9?

If E9 was only calibration, there's no cost. Otherwise cost depends on whether a hose, flue, drain, inducer, or switch is responsible.

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 Goodman GMVM97 Service Manual, p.47/65/68

Last verified 2026-07-06 · page updated 2026-10-03 · how we verify

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