Generac Air Cooled Nexus & Evolution 1.0 Service & Repair Diagnostic Manual. A complete guide to repairing Generac Air Cooled Evolution generators. Includes all troubleshooting flow charts, wiring diagrams, pinouts, and more! This is the book that a Generac trained service tech carries.
Manual is in full color with full color wiring diagrams (some images are in black and white).
Includes a complete list of the e-Codes (Alarm Fault Codes) for both controllers.
This manual covers Air Cooled Nexus & Evolution 1.0 controllers, however if you have an Evo 1.0 unit, you should use the most current diagnostic manual found below. It does not include the newer Evolution 2.0 controller with WiFi. That manual can be found here: Generac Air Cooled Evolution 1.0/2.0/WiFi Service & Repair Diagnostic Manual
All digital downloads are non-refundable due to their nature. Once payment is received a download link will be sent by our system automatically. In some cases the payment must be manually approved on our end and there may be a delay in receiving your download link, usually no longer than 24 hours.
This is a PDF copy of the manual, not a paper or bound copy. You will need the most current version of Adobe Reader installed in order to view or print the manual.
Generac Service & Repair Manuals will also usually fit the following Generac branded generators: Honeywell, Guardian, Siemens, Carrier, Watchdog, Centurion, Eaton & Bryant.
Gentek Power is not responsible for errors or missing information in these manuals. These are provided by Generac to us and no warranty is implied. We make every effort possible to keep them updated to the latest version.