Huawei NetCol5000-A - Replacing the Driver

NetCol5000-A 42 kW Air Cooled In-row Precision Air
Conditioner
User Manual
5 Operation and Maintenance
Issue 01 (2017-07-27)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
175
5.4.6 Replacing the Driver
Prerequisites

The driver needs to be replaced.

A spare driver of the same model is available and functional.

Tools: Phillips screwdriver, diagonal pliers, cable tie.
Before checking and maintaining the NetCol5000-A, ensure that the primary power supply to
the NetCol5000-A is disconnected and the drive has been placed without primary power
supply for 10 minutes. Otherwise, electric shocks may occur.
Procedure
Step 1 On the controller home screen, tap Shutdown, and turn off the air conditioner switch in the
PDC.
Exercise caution because the device is still energized after it is shut down on the controller
home screen.
Step 2 Open the rear door and remove the air filter.
Step 3 Remove all cables from the driver and cut the cable ties using diagonal pliers.