Amana furnace: No Shared Data (d0)
Professional repair
What does d0 mean on an Amana furnace? The control has no shared data set (it drives the variable-speed motor and airflow math). The furnace cannot function until a model-specific memory card loads the data. Display shows ON when accepted.
Dealer memory card for your exact model, then power-cycle per the manual.
What causes it (in order of likelihood)
- Board replaced without loading the memory card TECH
Parts for this code
No specific part number is verified for this code — it typically points at wiring, power, a blown fuse, or communication between components rather than one standard replacement part. If your diagnosis does land on a replaceable component, match its part number against your model's parts list before ordering.
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.44-45
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 |
|---|---|
| d4 | Invalid Memory Card Data (d4) |
| EA | Reversed Line Polarity (EA) |
| b0 | ECM Blower Motor Not Running (b0) |
| E9 | High-Stage Pressure Switch Stuck Open (E9) |