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Generac Guardian 26kW

Standby generator. Specs from the manufacturer page (checked ).

Generac Guardian 26kW
Photo: Generac

The Generac Guardian 26kW is a standby generator with 26,000 W (26 kW) running output on liquid propane, and 24 kW rated maximum continuous power on natural gas. It has built-in cellular connectivity for remote monitoring and control through Mobile Link, and comes with a 5-year limited warranty.

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Running
26000W
Fuel
dual-fuel
Weight
238kg
Warranty
5yr

Key features

What it is for

Specifications

Running watts26000 W
Fueldual-fuel
Weight238 kg (524.7 lb)
Dimensions117.9 × 66.8 × 78 cm (46.4 × 26.3 × 30.7 in)
Warranty5 years

From the Generac page. Values the manufacturer does not publish are left out.

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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

CodeMeaningWhat to doManual page
Auxiliary ShutdownActive 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
OvercrankFault 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 ProblemListed 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 ErrorListed 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 ACListed 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 WarningListed 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 55 codes. From the Generac manual. All 55 Guardian 24kW / Guardian 22kW / Guardian 26kW / Guardian 18kW codes →

FAQ

Can the Generac Guardian 26kW start a sump pump or well pump?

Starting surge matters more than running watts: this unit is rated 26000 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.

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