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Symptoms
The machine makes unusual noises during the run.
Heater error at the elution step.
Installed hardware does not match the displayed
hardware mode.
Plungers are not completely stripped off the rods at
the end of the run.
The buttons do not work.
The program does not advance when I close
(or open) the door.
Expected methods are not shown on the LCD screen. • Verify that the firmware setup is correct. Refer to Section 3.E.
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
The machine will make some noise during a typical run. Unusual
(or louder than usual) noises may indicate that the heads are not
moving freely. Typically this is caused by an obstruction, which
should be removed, but may be due to inadequate lubrication.
Continued operation under these conditions can cause damage
to the instrument. Heads that are not moving freely may be
lubricated with light machine oil. Do not get oil on the drive
belts. Use a small amount of oil on a cotton swab. If this does
not correct the problem, contact your local Promega
representative for service.
The unit is not up to temperature. If the run was paused or the
door was opened, interlocks turn the heater off. After the run is
restarted and the door is closed, the heater should restart, and
the instrument should reach the set point temperature. If it
hasn't reached the set point in a few minutes, there may be a
problem with the heater. Contact your local Promega
representative for service. A heater problem may affect yield.
Turn the machine off, and install the appropriate hardware.
When the machine is powered up after the installation, the
installed hardware will match the hardware mode displayed on
the Home screen.
• Check that Plungers are clear of the Magnetic Rod Assembly
before extending the platform out from inside the instrument.
If the problem occurs consistently, check that the Magnetic
Rods are clean. Wipe them down carefully with a damp cloth.
• Do not reuse Plungers; Plungers that are reused may not be
completely removed at the end of the run. If Plungers are
consistently left on by the instrument, contact your local
Promega representative for service.
Contact your local Promega representative. Do not use spray
cleaner on the keypad or touch screen because it can damage
these components.
There may be a problem with the door sensor. Please contact
your local Promega representative for service.
• Verify that the instrument is in the proper hardware mode
(SEV or LEV). Refer to Section 7 for information on setting
the instrument hardware mode.
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TM321 · Revised 4/15
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