Generator controller displays E29 and the unit shuts down with visible coolant around the base.

Safety: Allow engine to cool before touching any cooling components. Coolant under pressure can cause injury.

• Locate leak source: Inspect hoses, radiator, water pump, and expansion tank for wet areas or dried coolant residue.
• Replace damaged parts: Fit new hoses, clamps, or radiator as required. Use OEM or equivalent parts compatible with Himoinsa systems.
• Check radiator cap: Test or replace the cap if it does not hold pressure or if coolant is venting excessively.
• Refill and bleed: Refill with correct coolant mix and bleed air from the system.
• Pressure test: If available, perform a cooling system pressure test to confirm no further leaks.