32 U1241B/U1242B User’s and Service Guide
4 Service and Maintenance
Figure 4-10 Fuse 1 replacement
5 If you want to replace a defective Fuse 2, remove Fuse 1 then loosen
the four screws (shown in Figure 4- 11) to lift and remove the circuit
board from top case.
6 Gently remove the defective Fuse 2 by prying one end of the fuse loose
and removing it out of the fuse bracket, see Figure 4- 11.
7 Replace a new fuse of the same size and rating into the center of the
fuse holder.
Figure 4-11 Fuse 2 replacement
8 Place Fuse 1 back to its original position and then re- fasten the circuit
board and the bottom cover respectively.
Fuse 2 (11 mA/1000 V)
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