Generac 101
This Generac product line is designed for whole-home backup using air cooling.
What is the Guardian Series?
This is the first step when a unit shows a red light.
What is check the controller for the fault code?
This part ensures your generator breathes cleanly.
What is the air filter?
This is the required clearance from windows and doors.
What is 5 feet?
Generac recommends changing the oil at this interval.
What is every 200 hours or semi-annually?
This certification ensures you can perform warranty service on Protector Series units.
What is Protector Series Certification?
A low battery voltage error often points to this failed part.
What is the T1 Fuse?
It ignites the fuel-air mixture in the combustion chamber.
What is the spark plug?
Gas lines must have this installed just before entering the generator.
What is a hard pipe stub-out?
This maintenance step is often skipped but critical for long-term engine life.
What is valve adjustment?
Generac headquarters is located in this U.S. state
What is Wisconsin?
This fault can occur if valve clearance is too tight.
What is Overcrank?
This small but critical part opens and closes to regulate fuel flow.
What is the fuel solenoid?
A customer’s warranty can be voided if this is not done.
What is regular maintenance?
This synthetic oil weight is commonly used in air-cooled units.
What is 5W-20 full synthetic?
This is the typical kilowatt output range for home standby air-cooled units.
What is 10kW to 26kW?
Oil pressure sensor faults often occur during this weather condition.
What is cold weather or startup in freezing temps?
The controller’s brain is commonly referred to as this.
What is the Nexus or Evolution board?
This agency’s code governs standby generator installations.
What is the National Electrical Code (NEC)?
This inspection step involves checking the enclosure for rats and corrosion.
What is the visual inspection of the enclosure and base?
Generac’s logo features this symbol, representing a power surge.
What is the Orange Power Bar?
You might suspect a failed controller when this happens on every startup attempt.
What is no crank and no diagnostic LED activity?
A 26kW air-cooled unit uses this number of cylinders.
What is two cylinders?
You must ground a generator using this method.
What is a grounding bond to the main panel (per NEC rules)?
This should be tested with a load or simulated outage during service.
What is the transfer switch operation?