Fluke 1508 - Maintenance and Troubleshooting; Cleaning the Tester; Testing and Replacing Batteries; Testing and Replacing the Fuse

1508
Users Manual
18
Cleaning
Periodically wipe the case with a damp cloth and mild
detergent. Do not use abrasives or solvents. Dirt or
moisture in the terminals can affect readings. Allow time
for drying before using the Tester.
Testing the Batteries
The Tester continuously monitors battery voltage. If the
low battery icon (B) appears on the display, there is
minimal battery life left. To test the batteries:
1. Turn the rotary switch to the b position with no
probes inserted.
2. Press the blue button to initiate the fully loaded
battery test. The voltage function displays clear and
the measured battery voltage is shown in the primary
display for 2 seconds, the voltage display then
returns.
Testing the Fuse
XWWarning
To avoid electrical shock or injury, remove
the test leads and any input signals before
replacing the fuse.
Test the fuse as described below and shown in Figure .
Replace the fuse as shown in Figure .
1. Turn the rotary switch to the
o position.
2. Press and hold T. If the display reading is FUSE,
the fuse is bad and should be replaced.