Huawei PowerCube 500 - Replacing a DC Fuse

PowerCube 500 (CPS300-N18A1H)
User Manual
6 Component Replacement
Issue 02 (2019-08-30)
Copyright © Huawei Technologies Co., Ltd.
53

The new PV module is available.
Procedure
Step 1 Remove the PV input cable from the function module.
Step 2 Transport maintenance personnel to the PV module installation position by using a crane.
Step 3 Disconnect the cable delivered with the damaged PV module from the extension cable
connector.
Step 4 Loosen the screws on the PV module using a wrench and remove the PV module from the
support.
Step 5 Install the new PV module and secure it to the support by tightening the screws using a
wrench.
Step 6 Connect the cable delivered with the PV module to the extension cable connector.
Step 7 Reinstall the PV input cable.
----End
Follow-up Procedure
Pack the faulty component and send it to the local Huawei warehouse.
6.4 Replacing a DC Fuse
Prerequisites

You have prepared a pair of protective gloves, Phillips screwdriver, and flat-head
screwdriver.

You have prepared a new fuse whose model information and specifications are the same
as the old one.
Context
DC fuses are located inside the battery or load wiring terminals, as shown in the following
figure.