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9.
Troubleshooting
Symptoms
The instrument is making an unusual, rapid
clicking noise when it is turned on
The touch screen does not light up when the
instrument is turned on
Wrong language is displayed
Touch screen is out of calibration
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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
TM320 · Revised 4/15
Possible Causes and Comments
• Verify that the Magnetic Rod Assembly/Plunger Bar shipping
anchors and Platform shipping anchors have been removed.
• Sensors may need to be cleaned. Contact Promega or your local
Promega representative for assistance with sensor cleaning.
• Look for obstructions that may be preventing a head from moving
through its full range of motion (for example, plungers in the
tracks of the deck).
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, iden-
tify and correct the cause. Never replace this fuse with a fuse
rated for higher than 3A.
• Contact Promega or 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 Promega or
your local Promega representative for service
If the wrong language is displayed, the Select 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 instru-
ment 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 the touch screen setup screen, where you can recali-
brate. If you still experience problems after recalibration, contact
Promega or your local Promega representative for service.
www.promega.com
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