17-1
IM 701240-01E
17
Troubleshooting, Maintenance, and Inspection
17.1 Troubleshooting
Troubleshooting
• If a message is displayed on the screen, read the next section.
• If servicing is necessary, or if the instrument is not operating correctly after performing
the corrective actions, contact your nearest YOKOGAWA dealer.
Problem Probable Cause Corrective Action Reference
Section
The power cannot be Using a power supply outside the Use a correct power supply. 3.4
turned ON.
ratings.
Nothing is displayed. The backlight is turned OFF. Press any key.
16.4
The screen colors are not Power cycle the SL1400 while 16.3
appropriate. holding down the RESET key.
The display is odd. The system is abnormal. Power-cycle the SL1400.
3.4
Keys do not work. The SL1400 is in the remote mode. Press SHIFT + CLEAR TRACE enable –
local mode.
Other causes. Perform a key test. 17.3
If the test fails, servicing is required.
Protected. Press the PROTECT key.
16.5
Trigger does not activate. The trigger settings are not Set the trigger conditions correctly. Chapter 6
appropriate.
Measured values are Insufficient warm-up. Warm up the SL1400 for 30 minutes –
not correct.
after turning on the power.
Not calibrated. Perform a calibration.
4.6
The probe’s phase has not been Correct the phase properly. 3.8
corrected.
An offset voltage is added. Set the offset voltage to 0 V.
5.10
Other causes. Perform a calibration. In addition, 4.6
select Test Item: Carib.Inf. for the self 17.3
test item and execute the self test.
If the measured value is still odd,
servicing is required.
Cannot output to built-in The printer head is damaged or Servicing required. –
printer.
worn out.
Cannot save to the The medium is not formatted. Format the medium.
13.6
specified medium.
The medium is write-protected. Release the medium’s write-protect.
–
No more free space on the medium. Delete unneeded files or use a new 13.16
medium.
Cannot change settings The address of the SL1400 Match the address used in the program
or control the operation used by the program is different to the address of the SL1400.
Communication
Interface User’s
Manual on the
CD-ROM
of the SL1400 via the
from the specified address.
communication interface. The interface is not used in a way Use it in a way that conforms to the
that conforms to the electrical or specifications.
mechanical specifications.
The probe attenuation is not correct.
5.6
Set an appropriate value.
Chapter 17 Troubleshooting, Maintenance, and Inspection