Huawei NetCol8000-A Maintenance And Troubleshooting Manual page 8

Indoor Unit - Indoor Fans Monthly
Maintenance
Inspection
No.
Method
Visual
1 Check that the protective net cover is not deformed.
inspection
Visual
2 Check that no foreign matter exists in the fans.
inspection
Visual
3 Check that the blades are intact.
inspection
Operation Check that no abnormal voice is generated during
4
inspection operation.
Visual
5 Check that the screws are secured and not deformed.
inspection
Visual
6 Check that the wiring terminals are secured.
inspection
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Operations Troubleshooting
Maintain the
protective
net cover.
Clean the foreign
matters.
Maintain the blades. If
the
fault is not rectifed,
replace the fan.
Clean the foreign
matters,
and make sure that
the fan is fxed
properly.
Tighten the screws.
Replace the screws if
necessary.
Tighten the terminals.
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