Champion aXis 14kW
14000 W, dual-fuel
Generac EcoGen 15kW
Standby generator. Specs from the manufacturer page (checked ).
The Generac EcoGen 15kW is a standby generator rated at 15,000 W running output that operates on natural gas or LP fuel. It is designed to provide essential circuit power protection for a home during an outage. It carries a 5-year limited warranty for automatic standby generators.
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Running
15000W
Fuel
dual-fuel
Weight
209kg
Warranty
5yr
Key features
- Max. continuous power of 15,000 W on both LP and natural gas
- Fuel conversion between natural gas and LP in the field in a few seconds, without tools
- True Power Technology with less than 5 percent total harmonic distortion
- G-Force pressure-lubricated engine
- Evolution Controller with dual-line, tri-lingual LCD display
- Third-party certified to NFPA standards for installation as close as 18" from the home's exterior wall, away from doors, windows, and fresh-air intakes, unless local codes direct otherwise
- All-weather aluminum enclosure with powder-coat finish, able to withstand 150 mph winds
- 24/7/365 customer support
What it is for
- essential circuit power protection for your home
Specifications
| Running watts | 15000 W |
|---|---|
| Fuel | dual-fuel |
| Weight | 209 kg (460.8 lb) |
| Dimensions | 121.92 × 63.5 × 73.66 cm (48.0 × 25.0 × 29.0 in) |
| Warranty | 5 years |
From the Generac page. Values the manufacturer does not publish are left out.
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Generac EcoGen 15kW comparisons
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 EcoGen 15kW start a sump pump or well pump?
Starting surge matters more than running watts: this unit is rated 15000 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.