Goodman GMVM97 furnace code E0: Lockout — Excessive Retries or Recycles
Try DIY first, then call a pro
What does E0 mean on a Goodman GMVM97 furnace? The modulating control exceeded its allowed ignition retries or flame recycles on a single call for heat and entered Soft Lockout — E0 flashes during the lockout period, then the control retries.
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
Clean the flame sensor; watch one ignition attempt through the sight glass.
Repeat lockouts after cleaning = gas pressure/valve diagnosis. DIY part cost: $8–15 / $15–35 — a pro visit for this class of fault typically runs $150–350.
What causes it (in order of likelihood)
- Dirty flame sensor (most common) DIY-CHECKABLE
- Igniter or gas-supply problem DIY-CHECKABLE
Parts referenced by this code
Always match parts against your model's parts list — part numbers vary within a series.
Questions about this code
What does E0 mean on a Goodman GMVM97 furnace?
The modulating control exceeded its allowed ignition retries or flame recycles on a single call for heat and entered Soft Lockout — E0 flashes during the lockout period, then the control retries.
How do I fix Goodman GMVM97 furnace code E0?
Note how often it recurs. Flame sensor, igniter, and gas-supply checks are technician work; if you smell gas, leave and call from outside.
How much does it cost to fix Goodman GMVM97 furnace code E0?
Cost depends on whether the flame sensor, igniter, or gas supply is behind the lockouts. Ask for a quote after the technician identifies the cause.
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.46/63/68
Last verified 2026-07-06 · page updated 2026-10-03 · how we verify
Other Goodman furnace codes
These links include other Goodman model families. Code meanings can change by model and control board, so confirm your model and service manual before using a definition.