Onan 29 fault code — Generator
Applies to: QG 7000i DF HGLCA Spec A
What 29 means
The Cummins Onan QG 7000i DF HGLCA operator manual list Code 29 as High Battery Voltage.
Owner-safe checks
- Check RV battery state from installed monitors.
- Use normal owner battery-maintenance access to recharge or correct RV battery state if needed.
Service-only work
- Internal generator electrical output, inverter, controller, sensors, fuel system, ignition, AC circuit, and engine diagnosis belongs to Cummins service or a qualified generator technician.
Safety boundary
Generators can produce carbon monoxide, hot surfaces, fuel hazards, moving-part hazards, and lethal voltage. Shut the generator down and do not open energized compartments unless qualified.
Official sources
Related symptom guides
- RV appliance low-voltage warning
- Onan generator stopped and shows a fault code
- Pre-service checklist for RV appliance calls