Cummins Onan P4500i LOW OIL LED
What it means: Low engine oil level stopped the generator. The low oil LED indicates this condition.
What to do
If the low oil LED is illuminated, turn the battery switch to OFF. Add engine oil. Check the engine oil level if the engine starts and then shuts down.
When to call service
The manual lists steps the owner can take. If the code comes back after them, or you are unsure, contact an authorized service dealer. The unit stops or will not start until the cause is cleared.
Source: official Cummins manual, page 25, read . Summary of the manual, not a reproduction.
Models this manual covers
Other Onan P4500i codes
Questions
What does Cummins LOW OIL LED mean?
Low engine oil level stopped the generator. The low oil LED indicates this condition. (Cummins manual for the Onan P4500i, page 25.)
How do I fix Cummins LOW OIL LED?
If the low oil LED is illuminated, turn the battery switch to OFF. Add engine oil. Check the engine oil level if the engine starts and then shuts down.
Fuel, gas and electrical work on a portable / inverter generator is for qualified technicians; follow the safety section of the manual. All 2 Onan P4500i codes →