Huawei NetCol8000-A Maintenance And Troubleshooting Manual page 32

Replacing Indoor Fan (4)
Step 13 Open the electric control box, press down the areas marked gray in
Figure using a small-sized flat-head screwdriver, pull out all signal cable
s and power cables, and remove the screw (PE cable) in the area marked yell
ow in using a 5 x 200 mm flat-head screwdriver;
Step 14 Remove the eight screws securing the fan to the bottom plate using
an adjustable wrench, pull up the fan cover, and take out the fan, as shown
in Figure;
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