24 U1731B/U1732B User’s and Service Guide
3 Service and Maintenance
Fuse Replacement
The LCR meter is able to self- detect if the input protective fuse is either
open or damaged. In this case, the display will show FUSE and beep will
sound continuously, warning the user to replace the damaged fuse to
maintain the accuracy of measurement. While replacing the fuse, the LCR
meter must be completely turned off.
1 Loosen screws with a suitable screwdriver and remove the battery cover
as shown in Figure 3- 1.
2 Loosen screws with a suitable screwdriver and remove the bottom cover
as shown in Figure 3- 2.
3 Replace the damaged fuse with the a new fuse as specified in
Chapter 4, “General Specifications”.
Figure 3-2 Fuse replacement
Users should use clean/dry gloves when performing fuse replacement. Do not touch any
components except the fuse and plastic parts. No recalibration is required after replacing
the fuse.
Battery cover screw
Bottom cover screw
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