OPTI-UPS ES1500C - Manual (Page 28)

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Replacement Procedure for ES1000C- RM, ES1500C- RM
1. Remove the front panel.
2. Remove the screws of the battery box.
3. Pull out the battery box.
4. Change and Slide the new battery box into the UPS.
5. Screw the battery box on the case.
6. Close the cover.
6.3 Fuse Replacement Procedure
Changing the batteries in your UPS is a safe and easy procedure.
Replacement Procedure for ES550C, ES800C
1. Use a slotted screwdriver to take out the fuse socket.
2. Take out the broken fuse from the fuse socket.
3. Throw away the broken fuse.
4. Use the slotted screwdriver to push out the spare fuse.
5. Put the spare fuse into the fuse socket.
6. Push the fuse socket into the AC input socket.