Rheem Gas Furnace: RGPK
Re: Lockout Codes
| Power Light | Description |
| On | 24VAC Power Present |
| Off | No Power |
| Status Light | Description |
| 1 | Ignition Failure - 1 Hr Soft Lockout |
| 2 | Pressure Switch Stuck Open |
| 3 | Limit Switch Open - Main Limit or Roll-Out |
| 4 | Pressure Switch Stuck Closed |
| 5 | Twinning Fault |
| Yellow Light Status | Description |
| Off | No Flame Present |
| Rapid Flashing | Flame Sensed - No Call for Heat |
| Slow Flashing | Low Flame Signal |
| On | Flame Present |