Front Panel Tests; Test Procedure; Figure 12-1: Fuse Location - Keithley 3700 series Reference Manual

Section 12: Maintenance

Figure 12-1: Fuse location

Fuse Location
(1) Analog
backplane fuse
(2) Instrument
fuse
To replace a fuse:
1. Using a flathead screwdriver, disengage the fuse holder by rotating it counter-clockwise.
2. Pull out the fuse holder and replace the fuse with the correct type (see table).
3. Reinstall the fuse holder.
If the fuse continues to blow, a circuit malfunction exists and must be corrected. Return the unit
to Keithley Instruments for repair.

Front panel tests

There are two front panel tests: one to test the functionality of the front panel keys and one to
test the display.

Test procedure

The keys test lets you check the functionality of each front panel key.
To run the test:
1. Display the MAIN MENU by pressing the MENU key.
12-2
Rating
250V, 3A fast blow 5x20mm
250V / 1.25A slow blow
5x20mm
Series 3700 System Switch/Multimeter Reference Manual
Keithley Instruments part
number
FU-99-1
FU-106-1.25
Document Number: 3700S-901-01 Rev. A / August 2007