Huawei PowerCube 5000 - Replacing an SBCU

PowerCube 5000
User Manual (SmartLi 100Ah)
9 Parts Replacement
Issue 02 (2020-03-17)
Copyright © Huawei Technologies Co., Ltd.
142
Before the replacement, ensure that the services are not affected or obtain written consent
from the customer.
Procedure
Step 1 Turn off the battery breaker QF1 and BCU power switch QS1.
Step 2 Remove the cables from the BCU and mark the connection positions.
Step 3 Unlock and remove the faulty BCU.
Figure 9-21 Removing the BCU
Step 4 Install the new BCU and lock it.
Step 5 Reinstall the communications cables.
Step 6 Turn on the battery breaker QF1 and BCU power switch QS1.
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9.2.3 Replacing an SBCU
Prerequisites

A Phillips screwdriver and cabinet door key are available.

The new SBCU is intact.