11-1
IM 704210-01E
Troubleshooting and Maintenance
11
11.1 Troubleshooting
• For a description of corrective actions to be taken when a message appears on the screen, refer
to Section 11.2 “Messages”.
• If maintenance service is required, or if the instrument still does not operate properly even after
the following corrective action has been taken, contact your nearest YOKOGAWA
representative, listed on the back cover of this manual.
Symptom
Possible Cause
Corrective Action
Reference
Section
The power does not come ON.
The source voltage is outside the rated range.
Connect the instrument to a source of the
3.3
correct voltage.
Circuit breaker is activated.
Check for the cause, then reset the circuit
11.7
breaker.
Nothing is displayed.
The screen is extremely dark.
Adjust the contrast.
10.6
The screen is extremely cold.
Make sure that the ambient temperature is
–
5ºC or higher.
Display is odd.
Instrument is abnormal.
Turn ON the power again.
–
Keys do not function.
Instrument is in remote mode.
Press the LOCAL key to activate local mode. *
Measurement cannot be
Incorrect trigger level
Set the correct trigger level.
6.1
carried out.
No measuring channel is selected.
Check the measuring channels.
5.2 to 5.6
Allowable measuring range is exceeded.
Check the measuring range.
5.2 to 5.6
Incorrect arming
Check the arming setting.
6.3
Incorrect inhibit
Check the inhibit setting.
6.4
Incorrect reference signal.
Check the reference signal.
10.2
Data cannot be saved to a
Floppy disk has not been formatted.
When you are using a new floppy disk, it
9.2
floppy disk.
must be formatted.
Floppy disk is not properly inserted into
Insert it until the eject button pops up.
9.1
the floppy disk drive.
Floppy disk is write-protected.
Remove write-protection.
–
Insufficient space on floppy disk
Delete unnecessary files or use another
9.1, 9.2, 9.7
floppy disk.
Data cannot be loaded from
Floppy disk is not properly inserted into the
Insert it until the eject button pops up.
9.1
a floppy disk.
floppy disk drive.
Attempted to load data during measurement.
Stop or interrupt the current measurement,
9.3, 9.4
then load the data.
* Refer to the GP-IB Interface User's Manual (IM704210-12E).