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Delta Electronics Elevator Drive VFD-VL User Manual

Page 192

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Chapter 6 Fault Code Information and Maintenance|

Revision Nov. 2008, VLE1, SW V1.03 6-15

„

Ventilation channel of cooling system

Maintenance

Period

Check Items

Methods and Criterion

Daily

Half

Year

One

Year

If there is any obstruction in the
heat sink, air intake or air outlet

Visual inspection

{

NOTE

Please use the neutral cloth for clean and use dust cleaner to remove dust when necessary.