16-1
IM 253710-01E
Troubleshooting, Maintenance, and Inspection
16
Chapter 16 Troubleshooting, Maintenance, and Inspection
16.1 Troubleshooting
Troubleshooting
• For the appropriate corrective actions when a message appears on the screen, see
the following pages.
• If servicing is required or if the instrument does not operate properly after taking the
following corrective actions, contact your dealer.
Problem and Corrective Action
Sections
Nothing is displayed when the power is turned ON.
Securely connect the power cord to the power connector of the instrument and the power outlet.
3.6
Set supply voltage within the permitted range.
3.6
Check the display settings.
14.3
Check that the fuse is not blown.
15.5
The displayed data are not correct.
Check that the ambient temperature and humidity are within the specifications.
3.2
Check that noise is not affecting the measurement.
3.1, 3.4
Check the wiring of the measurement cable.
3.4 to 3.10
Check the wiring method.
3.7 to 3.10,
5.3
Check that the line filter is turned OFF.
5.7
Check the measurement/computation period settings.
10.1
Reboot the instrument.
3.11
Keys do not work.
Check the REMOTE indicator. If the REMOTE indicator is ON, press the LOCAL key to turn it OFF.
—
Do a key test. If it is abnormal, the instrument needs servicing.
15.3
Triggering does not occur.
Check the trigger conditions.
chap. 7
Check that the trigger source is being applied.
7.2
Cannot make harmonic measurements.
Check the PLL source settings.
6.4
Check that the PLL source input signal is within the specifications.
6.4,
chap. 17
Cannot print.
The printer head may be damaged or worn out.
—
The instrument needs servicing.
Cannot recognize the medium.
Check that the cables are properly connected.
12.2
Check the format of the medium. If necessary, format the medium.
12.4
The medium may be damaged.
—
Cannot save data to the selected medium.
Check the format of the medium. If necessary, format the medium.
12.4
Check that the write-protect is disabled.
—
Check the free space on the medium. Remove unnecessary files as necessary or use a new medium.
12.4
Cannot set or control the instrument via the communication interface.
Check that the GP-IB address or the parameter settings of the serial interface satisfy the specifications.
—
*
Check that the interface satisfies the electrical and mechanical specifications.
—
*
* See the Communication Interface User’s Manual, IM253710-11E.