7. Connect the cables to the power module in the original sequence, and
reinstall the protective cover.
8. Switch on the corresponding circuit breaker on the power distribution cabinet.
Verify the functions of the new power module.
– If the STAT indicator on the panel of the power module is on and is
green, power module works normally.
– Run the display device command on the console interface to check the
running status of the new power module. If the Status is displayed as
Normal, it indicates that the power module runs normally.
If the fan module fails to return to the normal state, you should contact a
Huawei local oce for timely technical support.
Follow-up Procedure
After replacing the power module, collect the tools. If a power module that is
replaced is conrmed to be faulty, you should ll in the Osite Repair Card for
Faulty Materials, and send the card and the faulty power module to a Huawei
local
oce for timely maintenance.
4.1.11.2.2 Replacing the AC Power Module
Precautions
Before replacing a power module, you need to note the following points:
Before replacing a power module, switch o the corresponding circuit breaker on
the power distribution cabinet.
Do not touch metal parts when removing or installing a power module with the
power on.
Tools
Before replacing a power module, you need the following tools:
● ESD wrist strap or ESD glove
Procedure
1. Check the location of the power module to be replaced.
Before pulling out a power module that is to be replaced, you should rst
check the location of the module, for example, the cabinet and chassis where
the power module resides. Then, locate the power module to be replaced in
the chassis and attach a label to the panel to identify the power module.
2. Switch o the corresponding circuit breaker on the power distribution cabinet.
Thus, the power module to be replaced is powered
o.
3. Wear the ESD wrist strap and connect the grounding terminal to the ESD jack
on the rack.
4. Disconnect power cables from the wiring terminals.
5. Press and hold the lock on the power module rightward with your thumb,
slowly pull the power module out by the handle, as shown in Figure 4-73.
HUAWEI NetEngine 8000 F
Hardware Guide 4 Hardware Installation and Parts Replacement
Issue 05 (2023-03-31) Copyright © Huawei Technologies Co., Ltd. 433