4

Possible Causes

• •Low coolant level
• •Coolant leaks
• •Blocked air inlet or outlet opening on the bottom of the generator set
• •Dirt fouling the radiation fins
• •Excessive connected load (e.g., air conditioners and battery chargers)
• •Engine oil is low
• •Engine oil is above the full mark on the dipstick
• •Active second-level fault code
• •Engine fails to start

Suggested Actions

1. 1Check engine coolant level, add coolant as necessary, and repair any leaks
2. 2Remove objects blocking air inlet or outlet openings on the bottom of the generator set
3. 3Clean dirt out of radiation fins (compressed air or washing with water can be used; do not use a pressure washer or allow copious amounts of water to enter components)
4. 4Reduce the number of connected appliances
5. 5Add oil if the dipstick indicates oil is low
6. 6Drain excess oil if oil is above the full mark on the dipstick
7. 7See second-level fault code

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