York Rooftop Unit: ZQG
Re: Ignition Lockout Codes
| Light Status | Description |
| Off | No Power |
| On | Control Failure - Replace Control |
| Heartbeat | Normal Operation - No faults |
| 2 Flashes | The induced draft pressure switch did not close. |
| 3 Flashes | The induced draft pressure switch is stuck closed. |
| 4 Flashes | Ignition Failure (3 Tries) |
| 5 Flashes | Flame Loss (5 Times) |
| 6 Flashes | Open Limit (Less than 6 min) |
| 7 Flashes | Open Rollout |
| 8 Flashes | Flame Sensed with Gas Valve Off |
| 9 Flashes | Open Limit (More than 6 min) |
| 10 Flashes | Power Improperly Sensed on Gas Valve |