Generac Guardian 24kW Auxiliary Shutdown
What it means: Active alarm that must be cleared before the generator can start.
What to do
Verify the controller-face emergency shutdown switch is ON (I). Clear the alarm. If equipped, the rocker switch must be set to ON (I) to clear it.
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 Generac manual, page 17, read . Summary of the manual, not a reproduction.
Models this manual covers
Generac Guardian 24kW, Generac Guardian 22kW, Generac Guardian 26kW, Generac Guardian 18kW, Generac Protector XG 48kW, Generac Protector XG 40kW, Generac EcoGen 15kW, Generac Protector XG 80kW, Generac Protector 20kW Diesel (RD02025).
Other Guardian 24kW codes
Questions
What does Generac Auxiliary Shutdown mean?
Active alarm that must be cleared before the generator can start. (Generac manual for the Guardian 24kW, page 17.)
How do I fix Generac Auxiliary Shutdown?
Verify the controller-face emergency shutdown switch is ON (I). Clear the alarm. If equipped, the rocker switch must be set to ON (I) to clear it.
Fuel, gas and electrical work on a standby generator is for qualified technicians; follow the safety section of the manual. All 54 Guardian 24kW codes →