Replacing An Sbcu - Huawei PowerCube 5000 User Manual

PowerCube 5000
User Manual (SmartLi 100Ah)
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
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Issue 02 (2020-03-17)
A Phillips screwdriver and cabinet door key are available.
The new SBCU is intact.
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9 Parts Replacement
142