Alarms And Errors

This article explains what to do when the Field Pro app displays FFFFFFFFFF instead of a generator's serial number. It provides separate support guidance for Independent Authorized Service Dealers and non-authorized installers or other users so they can contact the appropriate resource for assistance.

Error code 2770, labeled "CHARGER WARNING," indicates that the battery is not charging properly due to a blown T1 fuse or an issue with the charging circuit. Basic troubleshooting includes checking the battery health, verifying charging connections, and ensuring there is no corrosion at the battery terminals. If problems persist, it is...

Clear a generator alarm or error code and run a no-load test in Manual mode to see if the same code returns. This procedure applies to air-cooled home standby generators with Power Zone 200, Evolution (Evo 1/Evo 2), Sync, and Nexus controllers. It explains safe no-load setup using the main line circuit breaker, how to start in MANUAL,...

If Product Registration shows “We couldn’t verify this address,” the address validation service may not recognize the address yet, such as in new development areas. Contact Generac Customer Support at 1-888-922-8482 to complete registration, then use Recheck registration status to confirm, for reliable registration status in the app.

Explains the differences between generator maintenance reminders, warnings, and alarms, how they appear, what each status means, and what actions are needed to resolve them.

This article helps you look up Generac home standby generator error codes (also called alarm or warning codes), what the red and yellow lights mean, and the Mobile Link message you’ll see in the app. It lists the most-searched codes—1100 Overcrank, 1200 Overspeed, 1300 Low Oil Pressure, 1400 High Temperature, 1500 RPM Sense Loss, 1600...

This article explains why Mobile Link shows “Device ID doesn’t exist” when adding a fuel monitor and clarifies which monitors are supported. It lists quick checks to confirm the monitor ID, identify discontinued Wi-Fi units, and recognize Anova-owned cellular models that must be managed in the Tank Utility app. Use this to resolve...

The Inspect Battery alert is a maintenance reminder to check the condition of the battery.

When your home standby is displaying an Error Code: Low Oil Pressure, Code 1300, the first thing to check is your oil level.  If oil is needed, add oil per recommendations in your owner’s manual.  Be careful not to overfill the engine.  If the oil level is good and your unit is still not working, a service call is needed.

This can occur because of a lean fuel condition. Contact an authorized service dealer to address this error.