620
Users Manual
20
Maintenance
General
Periodically wipe the case with a damp cloth and
detergent; do not use abrasives or solvents. Clean and
dry as required. If the test tool will remain unused for an
extended period, remove the batteries to prevent damage
from leakage.
Replacing Batteries
Two 1.5 V AA alkaline batteries power the test tool and
typically provide 50 hours of operation. Using the
backlight may significantly reduce battery life. The battery
compartment is located at the bottom of the test tool. To
remove the battery cover, push the lip in and lift the cover
off (see Figure 5).
When Something Goes Wrong
If it appears that the test tool is not working properly,
perform the checks in Table 9 before returning the test
tool to Fluke for repair. Repairs or servicing not covered
in this manual should be performed only at an authorized
Fluke Service Center.
To contact Fluke, call one of the following telephone
numbers:
USA and Canada: 1-888-99-FLUKE (1-888-993-5853)
Europe: +31 402-678-200
Japan: +81-3-3434-0181
Singapore: +65-738-5655
Anywhere in the world: +1-425-356-5500
Or, visit Fluke’s Web site at www.fluke.com.
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abm42f.eps
Figure 5. Battery Compartment
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