Overspeed Error Codes 1200, 1201, 1204, 1205, and 1206
The Error Code: Overspeed, Code 1200-1206 usually displays when the controller detects high RPM.
Environment
This error applies to Generac liquid and air-cooled home standby generators.
Cause
This can be caused by a lean fuel condition.
Resolution
This will require inspection by a Generac-authorized service dealer, especially if the unit is under warranty. See the How Can I Find a Generac Service Dealer in My Area? article to contact an authorized service dealer.
For a complete list of home standby generator error codes see Where can I find a list of error codes for my generator?