User`s manual

15-1
IM 701610-01E
Troubleshooting, Maintenance and Inspection
15
15.1 Troubleshooting
Troubleshooting
For corrective actions when a message appears on the screen, read the following pages.
If servicing is required or if the instrument does not operate properly after taking the
following corrective actions, contact your nearest YOKOGAWA dealer.
Problem Possible Cause Corrective Action Reference Section
The power cannot be The source voltage is outside the Use a correct power supply. 3.3
turned ON. rated range.
The main power switch on the rear Turn ON the main power switch.
panel is not turned ON.
Nothing is displayed. The backlight is turned OFF. Press any key. 14.3
The screen colors are not Select appropriate colors for the screen. 14.1
appropriate.
The display is abnormal. The system is not operating Turn ON the power again. 3.3
correctly.
The waveform display is Loaded waveform data from an Unload the loaded waveform. 11.6
not updated. external storage medium.
Keys do not work. The instrument is in the remote Press SHIFT + CLEAR TRACE activate —
mode. local mode.
Other causes. Execute a key test. If the test fails, 15.3
servicing is required.
Triggering does not occur. The trigger settings are not Set correct trigger settings. Chapter 6
appropriate.
The measured values are Did not allow adequate warm-up Allow at least 30 minutes for the —
odd. time. instrument to warm-up after turning
ON the power.
The instrument has not been Perform calibration. 4.7
calibrated.
The probe’s phase has not been Correct the phase properly. 3.5
corrected.
The probe attenuation is not Set to the correct value. 5.4
correct.
An offset voltage is added. Set the offset voltage to zero. 5.5
Other causes Perform calibration. If the measured 4.7
values are still odd, servicing is required.
Cannot output to the The printer head is damaged or Servicing is required. 15.6
internal printer. worn out.
Output from internal printer The printer head is dirty. Perform the self test for the internal 15.6
is blurred. printer. This can eliminate dirty from
the printer head.
Cannot save to the medium. The medium has not been Format the medium. 11.5
formatted.
The medium is write protected. Remove the write protection from the —
medium.
Insufficient space on the medium. Delete unnecessary files or use a new 11.11
medium.
The instrument cannot be The address used in the program Use the same address in the program Communication
configured or controlled via is different from the actual address. and the instrument. Interface User’s
the communication The GP-IB interface is not being Comply with the specifications. Manual
interface. used according to the electrical (IM701610-17E)
and mechanical specifications.
Chapter 15 Troubleshooting, Maintenance and Inspection