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Symptoms
The touch screen does not light up when the
instrument is turned on.
Wrong language is displayed.
Touch screen is out of calibration.
Slight variations in run time is observed.
Promega Corporation · 2800 Woods Hollow Road · Madison, WI 53711-5399 USA · Toll Free in USA 800-356-9526 · 608-274-4330 · Fax 608-277-2516
www.promega.com
Causes and Comments
If you cannot hear the motors running:
• Check that the unit is plugged into a working electrical outlet.
• Verify that the plug is securely connected to the back of the
instrument.
• A 3-amp time-lag fuse protects the instrument electronics and
is located next to the power switch. If the fuse is blown,
identify and correct the cause. Never replace this fuse with a
fuse rated for higher than 3A.
• Contact your local Promega representative for service.
If you can hear the motors running:
• Either a cable has become disconnected from the LCD screen,
or the LCD screen is broken or damaged. Contact your local
Promega representative for service.
If the wrong language is displayed, the Language Setup screen
can be accessed by switching the instrument off and on. In the
Home screen, press the up arrow four times on the instrument
keypad. This will open the Select Language screen, and the
desired language can be selected.
If the touch screen is out of calibration and the display is not
centered correctly, you can correct it by turning the instrument
off and on. When the Home screen is displayed, press the back
arrow on the instrument keypad four times. This will take you
directly to touch screen setup, where you can recalibrate. If you
still experience problems after recalibration, contact your local
Promega representative for service.
The instrument checks the temperature within the elution slots.
If the temperature is not high enough, the instrument waits for
the correct temperature before continuing the run. This means
that there may be slight variations in run time.
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TM321 · Revised 4/15
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