Goodman Error Code 7: Low Flame Signal
Warning: Your Goodman HVAC system has detected a low flame signal, which could lead to system lockout. It's safe to troubleshoot, but if you're unsure, call a professional.
How to Fix Goodman Code 7
- Step 1: Turn off your furnace at the thermostat and the main gas valve.
- Step 2: Locate and clean the flame sensor using a fine-grit emery cloth or a wire brush designed for this purpose.
- Step 3: If the problem persists, call a professional HVAC technician. Do not attempt to open the unit or touch gas lines.
How to Reset Goodman Code 7
- Turn off the furnace power switch, usually located on or near the unit.
- Turn off the circuit breaker for the furnace. Wait 30 seconds.
- Restore power at the breaker and flip the furnace switch back on.
- Set the thermostat to call for heat. If the error code returns after 2-3 ignition attempts, the fault requires repair.
What does 7 mean?
The Goodman 7 error code indicates that your furnace's flame sensor isn't detecting a strong enough flame from the burner. This could be due to a dirty sensor, a faulty gas valve, or a problem with the ignition system. The system will typically go into lockout to prevent further operation and potential safety hazards.
Affected Models
Recall Notices
Goodman/Daikin Evaporator Coil Drain Pans Recalled Due to Fire Hazard
22-014
Drain pans can overheat, melt, and deform, posing a fire hazard. Recall expanded January 2024.
Replacement Parts
| Part | OEM Number | Est. Cost |
|---|---|---|
| Flame Sensor | 48T81284 | — |
| Gas Valve | 48T81525 | — |
| Hot Surface Igniter | 48T81351 | — |
Related Codes on Same Models
| Code | Description | Severity |
|---|---|---|
| STEADY-ON | Normal Operation | Info |
| 1 | System Lockout | Warning |
| 2 | Pressure Switch Stuck Closed | Warning |
| 3 | Pressure Switch Stuck Open | Warning |
| 4 | Open High Limit Switch | Warning |
| 5 | Flame Sensed With Gas Valve Off | Warning |
| 6 | Open Rollout Switch | Warning |
| 8 | Ignitor Error | Warning |
| CONTINUOUS | Reversed Polarity | Warning |
| F01 | Goodman Code F01 - Ignition Lockout | Critical |