6.2 When the Device Appears to be a Problem
CA5350
6-4
6.2 When the Device Appears to be a Problem
When the device appears to be a problem, check the following table to see if a solution is
given. When the problem is not solved or the device cannot be recovered after the
corrective action was taken, please contact NF Corporation or one of our
representatives.
Table6-5 When the device appears to be a problem
Problem
Possible cause
Correction action
The power does
not turn on
The power cord is not
connected correctly.
Insert the power cord tightly.
Settings of the voltage
selector switch are
incorrect.
Align the voltage selector switch to
the voltage of the power supply.
The power supply out of
rated range is used.
Check the voltage of the power
socket with tester, etc.
Fuse is blown.
Replace the fuse. Ensure to use the
fuse of pre-decided rating.
Panel operation
does not work
The device is in remote
state.
When the remote display appears,
return to the local state by
performing local operation.
If there is a local lockout (
LLO
) in
GPIB, you cannot return to local
with panel operation. Either operate
the controller for go to local (
GTL
) or
disconnect the GPIB cable.
Keys are deteriorated.
Please ask NF Corporation or one of
our representatives for repair.
Settings using
external control
cannot be made
Different address or USB
ID was set with the setting
in control program
Set the address so that it matches
with the program. Change the
program so that it matches with USB
ID.
Same address with another
device’s
Set the address such that it does not
overlap with other device.
Too much noise
Noise is getting mixed
Separate the input cable from the
power cord or noise source.
Source of vibration is near
by
Vibration in case or input cable will
result in noise. Move away from the
source of vibration or take
vibration-proof measures.
Signal is small
Connection error of the
connection cable
Check that the cable has not
disconnected. Moreover, clean the
contact.
Output signal is
abnormally
large
Short circuit of the
connection cable
Check that inner and outer
conductor of input cable are not short
circuit.
Saturation state
Check after setting I/V range to
minimum (×10
4
) and current
suppression to OFF.