Richmond Essential HVAC System Error Codes
High-Efficiency HVAC System.
9 error codes documented.
Severity breakdown:
4 critical , 5 warning
Error Codes
| Code | Description | Severity |
| 11 | No Ignition | Critical |
| 12 | Flame Failure | Critical |
| E2 | Dry Fire | Critical |
| E4 | High Temp Cutoff | Critical |
| 14 | Overheat | Warning |
| 16 | Outlet Temp Sensor | Warning |
| E1 | Sensor Fault | Warning |
| E3 | Overheat Protection | Warning |
| E5 | Element Fault | Warning |
Cross-Reference: Shared Codes with Other Richmond Models