5-1
IM DLM3054-03JA
Troubleshooting, Maintenance, and Inspection
1
2
3
4
5
6
App
Index
5.1 If a Problem Occurs
Faults and Corrective Actions
• If a message appears on the screen, see the following pages for reference.
• If servicing is necessary, or if the instrument does not operate properly even after you have
attempted to deal with the problem according to the instructions in this section, contact your nearest
YOKOGAWA dealer.
Description
Probable Cause
Corrective Action
Refer To
The instrument does not turn on. Using a power supply outside
the ratings.
Use a correct power supply.
2.3
Nothing is displayed.
The backlight is turned off.
Press any key.
4.4*
The screen is displayed with
inappropriate colors.
Turn the power off, and then turn the power
on again while pressing RESET.
3.7
The display is odd.
The system is not operating
properly.
Turn off the instrument and then turn it
back on.
2.3
Keys do not work.
The keys are malfunctioning.
Perform a key test.
If the test fails, servicing is required.
5.3
Triggering does not work.
The trigger settings are not
appropriate.
Set the trigger conditions correctly.
Chapter 2*
The measured values are not
correct.
Insufficient warm-up.
Warm up the instrument for 30 minutes
after turning on the power.
—
The instrument has not been
calibrated.
Calibrate the instrument.
3.8
The probe’s phase has not been
corrected.
Perform phase correction properly.
2.5
The probe attenuation is not
correct.
Set an appropriate value.
1.1*
Offset voltage is applied.
Set the offset voltage to 0 V.
1.1*
Other causes.
Calibrate the instrument.
If the measured values are still not correct,
servicing is required.
3.8
Cannot print to the built-in printer. The printer head is damaged or
worn out.
Servicing is required.
—
Cannot save to the specified
storage device.
The storage device is not
formatted.
Format the storage device.
5.6
No more free space on the
storage device.
Delete unneeded files or use another
storage device.
—
Unable to configure or control
the instrument through the
communication interface.
The instrument’s address used
by the program is different from
the specified address.
Match the address used in the program
to the instrument’s address.
Communication
Interface
User’s Manual
(IM DLM3054-
17EN)
The interface is not used
in a way that conforms to
the electrical or mechanical
specifications.
Use the interface in a way that conforms
to the specifications.
*
User’s Manual
(IM DLM3054-02EN)
Chapter 5
Troubleshooting, Maintenance, and Inspection
