14-1
14
IM 701830-01E
Troubleshooting, Maintenance and
Inspection
14.1 Breakdown Troubleshooting
Corrective Action to be Taken in the case of an Abnormality
• If a message appears on the screen, refer to the following pages.
• If maintenance service is required, or if the instrument still does not operate properly even if
the proper corrective action has been taken, contact your nearest YOKOGAWA
representatives, listed on the back cover of this manual.
Symptom
Possible Cause
Corrective Action
Reference Page
The power does not
The source voltage is outside
Connect the instrument to a source
3-4
come ON.
the rated range.
of the correct voltage.
Nothing is displayed.
Inappropriate screen color has
Select an appropriate screen color.
13-1
been selected.
Back light is OFF
Press any key
13-8
Display is odd.
Instrument is abnormal.
Turn ON the power again.
3-5
Keys do not function.
Instrument is in remote mode.
Press the LOCAL key to activate
2-3
local mode.
Key protect is ON
Press the PROTECT key
13-7
Other causes
Perform key operation check. If
14-6
the check fails, maintenance
service is required.
No trigger is caused.
Trigger settings are not correct.
Make correct trigger settings.
Chapter 6
Measured values are odd.
Insufficient warm-up
Allow instrument to warm up for
-
at least 30 minutes
after the power
is turned ON.
No calibration has been
Perform calibration.
4-9
performed.
Passive probe’s phase has not
Perform phase correction properly.
3-15
been corrected.
Incorrect probe attenuation
Set the correct attenuation.
5-7
Offset voltage is in use
Set the offset voltage to “0”.
5-11
(vertical axis position).
Other causes
Perform calibration. If measured
4-9
values are still odd, maintenance
service is required.
No data is output to printer.
Printer head is damaged or
Maintenance service is required.
-
worn out.
No data is output to plotter.
Plotter is not set to listen-only
Set the plotter to listen-only mode.
-
mode.
Data cannot be saved to
Medium has not been
Format the medium.
11-4
a medium.
formatted.
Medium is write-protected.
Remove write-protection.
-
Insufficient space on medium.
Delete unnecessary files or use
11-15
another medium.
Cannot recognize media.
Cable is not connected.
Connect the cable.
11-3
SCSI ID number is incorrect.
Set the correct SCSI ID number.
11-18
Media format is incorrect.
Format the medium.
11-4
Medium is damaged.
-
-
Settings and operation
The addresses set in the
Make sure that the same addresses
Communication
control are not possible
program differ from those
are set for both program and
Interface
via the GP-IB interface.
used by the instrument.
instrument.
User’s
Instrument is not being used
Use the instrument according to
Manual
according to the electrical
these specifications.
(IM 701830-11E)
and mechanical specifications
Chapter 14 Troubleshooting, Maintenance and Inspection
