Huawei NetCol5000-C30 kW Maintenance And Troubleshooting Manual page 12

Semi-annual Maintenance (2)
Inspection
No.
method
Use a brush or compressed dry air to
clean various electric components,
Visual control components, the main control
7
inspection board, and the
surge protection and voltage test
board.
Check whether the display panel,
Visual humidity
8
inspection and temperature sensor or cables is
aging on the surface.
Use a high-precision humidity and
temperature sensor to calibrate the
Visual
9 humidity
inspection
and temperature sensors inside and
outside the cabinet.
Visual The heat exchanger fns are not
10
inspection pushed down.
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Operation Troubleshooting
N/A
Replace the components or cables.
If the temperature deviation is greater
than 1°C or humidity deviation is greater
than 5%, calibrate or replace the
humidity and temperature sensor.
Use a fn brush to organize the fns that
are pushed down.
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