User Guide

49
7.2 Troubleshooting
索引
4
3
2
1
7
6
5
10
9
8
Maintenance and Service
An incorrect ID number is
displayed
Is the test cable connected cor-
rectly?
→When Open or No Shield is dis-
played because a cable is not
connected correctly, an incor-
rect ID number may be dis-
played. (Open or No Shield is
displayed when a wire is not
connected.)
Cable length is not
obtained when cable
length calibration has
been performed
Is the cable between 2 and 300 m
long?
→The cable length measurement
range of this instrument is 2 to
300 m (6.6 to 984-ft.). However,
cable length cannot be mea-
sured if the cableÅfs characteris-
tic impedance is far from 100 Ω.
The mark is blinking
→Replace the batteries (p.51).
Nothing is displayed even
when pressing the
POWER key
→Replace the batteries (p.51)
Are the batteries installed cor-
rectly?
→Check whether the batteries are
installed correctly.
If installed incorrectly, reinstall
the batteries (p.51).
Symptom Checks and Remedy
ON/OF
F