16-1
IM AQ1300-01EN
Troubleshooting, Maintenance, and Inspection
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App
Index
16.1 If a Problem Occurs
Dealing with Unusual Circumstances
• If a message appears on the screen, see the following pages for reference.
• If servicing is necessary or the AQ1300 and AQ1301 do 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.
Symptom
Solution
Reference
Even when the power is
on, nothing appears on
the screen.
If you are using an AC adapter, make sure that the plug is connected firmly to the outlet,
the power cord is connected firmly to the AC adapter, and the AC adapter’s DC plug is
connected firmly to the AQ1300 and AQ1301.
—
1
If you are using a battery pack, make sure that it is attached firmly.
—
1
Charge the battery pack, and make sure that the ON lamp is illuminated.
16.6
The LCD turns black at high temperatures. At low temperatures, its display speed becomes
slower. Make sure that the temperature of the area where you are using the AQ1300 or
AQ1301 is within the operating temperature range.
—
1
The display disappears
after time passes.
The AQ1300 or AQ1301 turns off automatically when its battery is low. Check the
remaining battery power.
16.6
If you have specified a time for the Power Save setting, the AQ1300 or AQ1301 will turn
off automatically if no operations have been performed for the specified time. Check the
settings.
15.3
The screen is dark.
The screen is dark when the LCD Brightness setting is set to “Power save.” Check the
settings.
15.3
The LCD may be worn out. Servicing is required.
16.8
When the temperature of the AQ1300, AQ1301, or its battery pack is high, the AQ1300
or AQ1301 lowers the LCD brightness automatically to prevent damage. Make sure that
the temperature of the area where you are using the AQ1300 or AQ1301 is within the
operating temperature range.
—
1
The measurement
conditions cannot be
changed.
In the setup software, when “Enable to edit with MFT” is set to OFF, the measurement
conditions cannot be changed. Check the settings.
—
2
The power turns off
automatically while the
AQ1300 or AQ1301 is
being used.
The AQ1300 or AQ1301 turns off automatically when it detects an error. A warning
message will appear when this happens. Read the message. Fix the problem indicated in
the message, and then turn on the AQ1300 or AQ1301.
16.2
3
The battery pack cannot
be charged.
The battery pack temperature may be too low or too high. Make sure that the temperature
of the area where you are using the AQ1300 or AQ1301 is within the operating
temperature range. Remove the battery pack from the AQ1300 or AQ1301 and let it sit for
awhile in a room temperature environment.
—
1
The battery pack may be reaching the end of its life expectancy. Replace it with a new
one.
16.6, 16.8
The power turns off
automatically while the
AQ1300 or AQ1301 is
starting.
You may be holding down the power switch for too long when you turn on the power.
—
The fan has stopped.
Press the power switch to turn off the power immediately. Contact your nearest
YOKOGAWA dealer for repairs.
—
Unexpected optical
interface measurement
errors occur.
Clean the ends of the XFP and SFP module optical components with a stick-shaped
cleaning tool.
—
The OPM port measured
values are unstable.
Clean the OPM port.
16.7
1 See the operation guide, IM AQ1300-02EN.
2 See the
Setup Software User’s Manual
, IM AQ1300-61EN.
3 When it is likely that the usage limitations of the AQ1300 or AQ1301 will be exceeded, the AQ1300 or
AQ1301 will display a warning message and turn off automatically to prevent damage. For the conditions
under which messages appear, see section 16.2.
Chapter 16 Troubleshooting, Maintenance, and Inspection
