600H, 750, 750H, 750HH, 825, 900, 900H USER MANUAL SECTION 5
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Engine overheating Loose or broken fan belt Tighten or change belt.
Dirty radiator core Clean thoroughly.
Dirty oil cooler Clean thoroughly.
Low water level Refill.
Dirty aftercooler Clean thoroughly.
Low fluid level Refill.
Faulty water pump Change pump.
Plugged radiator Clean and flush thoroughly.
Defective engine thermostat Replace engine thermostat.
Shutdown panel lights Faulty switch indicated by light Replace the switch.
Engine warning Refer to Engine Manual Refer to Engine Manual
SYMPTOM PROBABLE CAUSE REMEDY