AMANA DIAGNOSTIC REFERENCE DUAL 7-SEGMENT DISPLAY (TWO-STAGE VARIABLE-SPEED) DOC AMANA-E9

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

Q: What does E9 mean on an Amana furnace?

High-Stage Pressure Switch Stuck Open (E9). High-stage switch won't close. Official checklist: blocked or pinched switch hose, blocked flue and/or intake pipe, blocked drain, weak induced-draft blower, or a failing switch.

E9 YOUR LIGHT: DISPLAY CODE E9 — MATCH IT ABOVE

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What does E9 mean on an Amana furnace? High-stage switch won't close. Official checklist: blocked or pinched switch hose, blocked flue and/or intake pipe, blocked drain, weak induced-draft blower, or a failing switch.

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

Try these first — in this order

Hose + vent + trap check, 15 minutes.

1Check: Blocked/pinched hose, flue, or drain

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

Inducer performance 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/pinched hose, flue, or 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

AMVC96 · ACVC96

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

Verified against Goodman GMVC96/GCVC96 Service Manual, p.44

Last verified 2026-07-06 · how we verify

Related Amana fault codes

These codes use the same dual 7-segment display (two-stage variable-speed) system.

Pattern	Meaning
E8	High-Stage Pressure Switch Stuck Closed (E8)
EA	Reversed Line Polarity (EA)
d0	No Shared Data (d0)
E7	Igniter Fault or No Ground (E7)

See all Amana furnace fault codes →