YOKOGAWA AQ1215A User Manual

11-1
IM AQ1210-01EN
Troubleshooting, Updating, and Storage
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App
Index
11.1 Troubleshooting
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.
Symptom Corrective Action Reference
Nothing appears on the
screen even when the power
is turned on.
If you are using an USB-AC adapter, make sure that the plug is connected firmly to
the outlet, the power cord is connected firmly to the USB-AC adapter, and the USB-AC
adapter’s DC plug is connected firmly to the instrument.
—
1
Charge the battery, and make sure that the POWER LED is illuminated. —
1
The LCD turns black at high temperatures. At low temperatures, the display slows
down. Make sure that the temperature of the area where you are using the instrument
is within the operating temperature range.
—
1
Holding down the power switch for at least 2 seconds. —
1
The backup file in the instrument may be corrupt due to an improper shutdown
execution. Turn the power off, and restart by following the procedure below.
1. While holding down the MENU key, press the power switch.
2. Keep holding down the key until the instrument starts.
—
1
The display disappears after
some time passes.
The instrument turns off automatically when its battery level is low. Check the battery
level.
—
1
If you have specified a time for the Power Save setting, the instrument will turn off
automatically if there is no user activity for the specified time. Check the settings.
11.2
The screen is dark. The screen will appear dark when the LCD Brightness setting is set to “Power save.”
Check the settings.
11.2
The LCD may be worn out. Servicing is required. 11.2
If the instrument or its battery becomes hot, the LCD brightness is reduced
automatically to prevent damage. Make sure that the temperature of the area where
you are using the instrument is within the operating temperature range.
—
1
The power turns off
automatically while the
instrument is in use.
The instrument 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 the instrument back on. If the Auto Power OFF feature is
enabled in Power Save mode, the instrument automatically turns off after a certain time
elapses.
11.2
11.2
2
The battery cannot be
charged.
The battery may be too cold or too hot. Make sure that the temperature of the area
where you are using the instrument is within the operating temperature range. Let the
instrument sit for about an hour at room temperature.
—
1
The battery may be approaching the end of its service life. Contact your nearest
YOKOGAWA dealer.
—
The power turns off
automatically while the
instrument is starting.
You may have accidentally pressed the power switch twice. —
Touch panel operations do
not work.
Touch operation is not possible with gloves. Touch the screen with bare hands. —
1
1 See the Getting Started Guide, IM AQ1210-02EN.
2 When it is likely that the usage limitations of the instrument will be exceeded, the instrument will display a warning message
and turn off automatically to prevent damage. For the conditions under which such messages appear, see section 11.2.
Chapter 11 Troubleshooting, Updating, and Storage

YOKOGAWA AQ1215A Specifications

General

Brand	YOKOGAWA
Model	AQ1215A
Category	Test Equipment
Language	English