Maintenance (cont'd)
Fuse Replacement
Electric shock hazard:
The fuse is an integral part of the overvoltage protection. When fuse
replacement is necessary, refer to "Specifications" for the correct type,
size and capacity. Using any other type of fuse will void the overvoltage
protection rating of the unit.
Failure to observe this warning could result in severe injury or death.
1.
Disconnect the unit from the circuit. Turn the unit off.
2.
Remove the two screws from the back cover.
3.
Remove the back cover.
4.
Replace the fuse.
5.
Center the battery in the battery compartment and align the two halves
of the unit.
6.
Replace the cover and screws.
Cleaning
Periodically wipe the case with a damp cloth and mild detergent; do not
use abrasives or solvents.
DM-300 • DM-310 • DM-330 • DM-350
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