WeatherKing Gas Furnace: 90RJ
Re: Diagnostic/Fault Codes
| Green Light Status | Description |
| 1 Blink | Soft Lockout |
| 2 Blinks | Pressure Switch Stuck Open |
| 3 Blinks | Limit Circuit Closed |
| 4 Blinks | Pressure Switch Stuck Closed |
| 5 Blinks | Twinning Fault |
| Yellow Light Status | Description |
| Off | No Flame Present |
| Rapid Flashing | Flame Sensed with No Call for Heat |
| SlowFlashing | Low Flame Signal |
| On | Flame Present |