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• Open the LV cabinet door, place one side of the door limit bracket in the limit socket to
realize the opening limit.
• Check the fuse fault indicator through the transparent window above the fuse box to
determine the fault branch.
• Disconnect the switch disconnector of the fault branch.
• Measure with a multimeter to confirm that there is no power in the branch.
• Insert the extension rod into the end of the wrench handle to extend the wrench.
Procedure
step 1 Remove a total of 6 fixing bolts from the top and bottom of the fuse in turn, slide the fuse box
to the right and take it out forward.
step 2 Remove the fixing bolts (M5) of the fuse box, open the fuse box, and replace the faulty fuse.
The fuse failure indicator should be facing the transparent window of the fuse box.
step 3 Close the fuse box and fasten the fixing bolts.
step 4 Put the fuse box into the maintenance branch from front to back.
step 5 Tighten 6 fixing bolts on the fuse box. The recommended torque is 25N. m.
step 6 Close the load switch of the fault branch
step 7 Place the door limit bracket at the initial position and lock the door.
- - End
9 Routine Maintenance System Manual
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