Specifications
TOS9220/9221
Maintenance
5-3
5.4
Maintenance
•
The
T
OS9220/9221 scanner handles v
oltages as high as 5 kV A
C/6 kV
DC
.
Since maintenance of the scanner
, such as an
o
v
erhaul, in
v
olves
considerable risk, all maintenance should be performed by our service
personnel.
■
High-v
olta
ge
rela
ys
The high-v
oltage relays inside the scanner are consumables.
Although service life
depends on the usage en
vironment, we recommend that the high-v
oltage relays be
replaced e
v
ery one million withstanding v
oltage tests.
W
e also recommend re
gular
internal inspections and cleaning at the same interv
als.
5.5
Troubleshooting
Not all problems in
v
olv
e mechanical f
ailures. Before requesting repair service,
recheck your problem. Since a malfunction may also be due to the tester proper
, see
"7.5
T
roubleshooting" in the Operation Manual for the
T
OS9200/9201.
Find your problem in the list belo
w
, and correct it as instructed. If it still persists or
if you cannot fi
nd it in the list, contact Kikusui distrib
utor/agent.
Symptom1:
The PO
WER ON LED does not light up.
P
ossib
le cause
Remedy
The A
C po
wer cord is disconnected.
•
Connect the po
wer cord properly by referring to
"1.4
Connecting the A
C P
o
w
er Cord
"
.
The fuse is blo
wn.
•
Replace the fuse with a ne
w one by referring to
"5.3
Replacing the Fuse
"
.
The interf
ace cable is disconnected.
•
Connect the cable properly by referring to
"3.1
Connecting the Scanner to the
T
OS9200/9201
T
ester
"
.
T
h
e
P
O
W
E
R
s
w
i
t
c
h
o
f
t
h
e
T
O
S
9
2
0
0
/
9
2
0
1
t
e
s
t
e
r
is not turned ON.
•
Po
wer to the scanner will be turned on in conjunction
with the tester proper’
s PO
WER switch.
T
urn ON the PO
WER switch of the tester proper in
accordance with the instructions gi
v
en in “3.1
T
urning
ON the Po
wer” of the Operation Manual for the
T
OS9200/9201 T
ester
.
WARNING