Generac Protector XG 80kW
Standby generator · Protector Series. Specs from the manufacturer page (checked ).

The Generac Protector XG 80kW is a standby generator rated at 80,000 running watts that starts automatically during a power outage. It is listed with a 4.5 L 4-cylinder engine, dual-fuel operation on liquid propane or natural gas, and an included Group 27 flooded lead-acid battery.
Key features
- Quiet-Test mode runs for five minutes at a lower speed and can be scheduled weekly, biweekly, or monthly
- Cellular connectivity for monitoring through Mobile Link (owner) and Fleet (servicer)
- TruePower technology with less than 5% total harmonic distortion
- Fuel type is selected from the controller only (410 Controller)
- Regular maintenance points (oil and oil filter, air filter, spark plugs, coolant, battery) are on one side of the unit
- Aluminum enclosure, electro-galvanized steel and aluminum frame components, and stainless-steel exhaust system for corrosion resistance
What it is for
- Home backup
- Business backup
Specifications
| Running watts | 80000 W |
|---|---|
| Fuel | dual-fuel |
| Weight | 808 kg (1781.3 lb) |
From the Generac page. Values the manufacturer does not publish are left out.
What is in the box
- Flooded Lead Acid battery, Group 27
Similar standby generators
Connection and wiring
Follow the diagrams in the Generac manual. Connecting to a home panel needs a transfer switch or interlock and a licensed electrician.
Open the Generac manual (PDF) →
Error codes and troubleshooting
| Code | Meaning | What to do | Manual page |
|---|---|---|---|
| Auxiliary Shutdown | Active alarm that must be cleared before the generator can start. | 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. | 17 |
| Overcrank | Fault during initial startup. The generator may exceed the normal number of start attempts because air accumulated in the fuel system during installation. | Reset the alarm and restart up to two more times, if necessary. If the unit still fails to start, contact an IASD for assistance. Call service if it persists. | 19 |
| Battery Problem | Listed as a warning. Warnings do not disable the unit or require immediate correction. No specific description given. | Unless correctly trained to correct and clear warnings, contact an IASD or trained service technician. To clear the message, press OFF on the controller, then ENTER. Call service if it persists. | 26 |
| Canbus Error | Listed as a warning. Warnings alert the operator to conditions that do not disable the unit or require immediate correction. No specific description given. | Unless correctly trained to correct and clear warnings, contact an IASD or trained service technician. To clear the message, press OFF on the controller, then ENTER. Call service if it persists. | 26 |
| Charger Missing AC | Listed as a warning. Warnings do not disable the unit or require immediate correction. No specific description given. | Unless correctly trained to correct and clear warnings, contact an IASD or trained service technician. To clear the message, press OFF on the controller, then ENTER. Call service if it persists. | 26 |
| Charger Warning | Listed as a warning. Warnings do not disable the unit or require immediate correction. The manual notes a warning appears when the battery requires service. | Unless correctly trained to correct and clear warnings, contact an IASD or trained service technician. To clear the message, press OFF on the controller, then ENTER. Call service if it persists. | 26 |
6 of 54 codes. From the Generac manual. All 54 Guardian 24kW / Guardian 22kW / Guardian 26kW / Guardian 18kW codes →
FAQ
Can the Generac Protector XG 80kW start a sump pump or well pump?
Starting surge matters more than running watts: this unit is rated 80000 W output (no separate peak published). That covers a typical 1/2 HP sump pump (about 2150 W to start). Use the calculator with your exact pump.