AMANA DIAGNOSTIC REFERENCE DUAL 7-SEGMENT DISPLAY (TWO-STAGE VARIABLE-SPEED) DOC AMANA-B0

Amana furnace: ECM Blower Motor Not Running (b0)

Q: What does b0 mean on an Amana furnace?

ECM Blower Motor Not Running (b0). The control can't detect the ECM blower running when it should be. Official causes: loose/disconnected wiring between motor and control, an open inductor (¾ HP and 1 HP motors), or a failed ECM motor.

b0 YOUR LIGHT: DISPLAY CODE B0 — MATCH IT ABOVE

Professional repair

What does b0 mean on an Amana furnace? The control can't detect the ECM blower running when it should be. Official causes: loose/disconnected wiring between motor and control, an open inductor (¾ HP and 1 HP motors), or a failed ECM motor.

See what causes this code ↓ Get repair quotes near you

ECM diagnosis (UltraCheck-EZ style motor test). DIY part cost: $400–800 — a pro visit for this class of fault typically runs $150–350.

What causes it (in order of likelihood)

Loose harness between motor and control TECH
Failed ECM blower motor TECH

Parts referenced by this code

ECM Blower Motor

$400–800 · Model-specific

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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.45

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
b1	ECM Motor Communications Lost (b1)
d4	Invalid Memory Card Data (d4)
b2	Motor Horsepower Mismatch (b2)
d0	No Shared Data (d0)

See all Amana furnace fault codes →