Replacing A Rectifier - Huawei Telecom Power TP48200A-HX09A3 User Manual

TP48200A-HX09A3, TP48200A-HX09A4,
TBC300A-DCA3, TBC300A-DCA5 and
TBC300A-TCA2 Telecom Power
User Manual

Do not maintain devices on raining days, preventing water from entering and damaging
devices.

Disconnect the FAN-POWER cable and then the fan cable.

Ensure that you have connected the fan cable correctly according to the silk screen on the
panel before you connect the FAN-POWER cable.

4.4.1 Replacing a Rectifier

Prerequisites


Protect yourself from being burnt when removing the rectifier as it has a high temperature.
Procedure
Step 1 Put on protective gloves.
Step 2 Unscrew the rectifier panel using a screwdriver.
Step 3 Gently pull the handle outwards, and then remove the rectifier from the subrack, as shown in
Figure 4-1.
Figure 4-1 Removing a rectifier
Step 4 Insert a new rectifier into the subrack. Then loosen the screws on the handle and pull out the
handle.
Step 5 Push the rectifier into the subrack slowly along the guide rail. Then lock the handle.
Step 6 Tighten the screws on the handle, as shown in Figure 4-2.
Issue 04 (2019-11-15)
You have obtained an ESD wrist strap, a pair of protective gloves, an ESD box or bag,
and the cabinet door key.
The new rectifier is intact.
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