Replacing A Hydrogen Exhaust Fan - Huawei FusionModule1000A20 Maintenance Manual

FusionModule1000A20 CT Solution
Maintenance Guide
Figure 5-7 Replacing an air vent air filter
Step 2 Hold the air filter and pull it outwards to remove it.
Step 3 Install a new air filter in the same way.
Step 4 Reinstall the meshed board using the four M4 screw assemblies removed in
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Follow-up Procedure
Dispose of the removed air vent air filter that is confirmed faulty.

5.2.4 Replacing a Hydrogen Exhaust Fan

Prerequisites
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Impact on the System
None
Preparations
Tools: Phillips screwdriver, cable cutter, insulation tape, step ladder, protective gloves
Material: quick-connect terminals, spare hydrogen exhaust fan
Documents: power supply and distribution system diagram
Skill requirement: extra low voltage (ELV) engineer
Issue 01 (2019-02-25)
A hydrogen exhaust fan needs to be replaced.
A spare hydrogen exhaust fan of the same model is available and functional.
For the diagrams, see the initial configuration parameter manual for the solution in use.
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5 Parts Replacement
Step 1.
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