Delta HES Series Instructions For Use Manual page 112

Ventilation channel of cooling system
Check Items
If there is any obstruction in the heat sink, air
intake or air outlet
NOTE
Please use the neutral cloth for clean and use dust cleaner to remove dust when necessary.
Chapter 6 MaintenanceHES Series
Methods and Criterion
Visual inspection
6-5
Maintenance
Period
Half One
Daily
Year Year
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