Controller displays 'Service Required' or 'Maintenance Due'; generator may still run but indicates scheduled service.

Safety First: Turn the controller to OFF and allow the engine to cool before performing maintenance.

• 1. Perform oil and filter change: Drain engine oil, replace with the correct grade, and install a GE-approved oil filter.
• 2. Replace air filter and spark plugs (if due): Inspect and replace the air filter and spark plugs according to the maintenance schedule.
• 3. Inspect belts, hoses, and battery: Check for wear, cracks, or leaks and replace as needed.
• 4. Reset maintenance timer: Use the controller menu to reset the service interval or clear the 'Service Required' message per the GE manual.