Generac

003503

UnclassifiedLubrication

What This Code Means

Loss of oil pressure; Unit ran for 10 days straight (approximately 234 hours); Providing power

Possible Causes

  • •Low oil level
  • •Liquid-cooled engines use oil while running
  • •Extended run time requires periodic oil level checks and general inspections

Suggested Actions

  1. 1Check oil level
  2. 2Add oil as needed
  3. 3Perform periodic shut-down to check oil level and do a general inspection for extended run times (several weeks)

Related Generac Fault Codes

420042043217BATTERY CHARGER AC FAILURE ALARM3215E-CODE2910F12790F32780F4
Browse all Generac fault codes

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for 003503 on your specific Generac unit — cited to the OEM manual, not a forum guess.

TRY IT FREE