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3
Inspections
3.3
Cooling Fan Inspections
3-4
Cooling Fan Inspections
Inspect the cooling fans as required. A defective fan can cause the DX200
to malfunction because of excessive high temperatures inside if the
cooling fans and the heat exchanger do not operate efficiently.
The heat exchanger and the internal sir circulation fan normally operate
while the power is tuned ON, and the backside duct fan normally operate
while the servo power is turned ON. Check if the fans are operating
correctly by visual inspection and by feeling air moving into the air inlet
and from the outlet.
Fig. 3-2: Cooling Fan Construction for the Small Capacity
Fig. 3-3: Cooling Fan Construction for Medium and Large Capacity
Air intake
Air outlet
Backside duct fan
Interior circulation fan
Air intake
Air intake
Air outlet
Air outlet
Backside duct fan
Heat exchanger