Aligning The Plate Handler - Applied Biosystems 7900HT User Manual

Aligning the Plate Handler

When to Perform
Preparing the
Instrument for the
Alignment
Applied Biosystems 7900HT Fast Real-Time PCR System and SDS Enterprise Database User Guide
Perform the following procedure if the Applied Biosystems 7900HT Fast Real-Time
PCR System is moved or the Zymark Twister Microplate Handler becomes
misaligned.
Symptoms that the Plate Handler is out of alignment include:
• Excessive downward movement of the Plate Handler arm (the arm grinds when
grasping or releasing plates)
• The Plate Handler arm collides with the plate stacks
• The Plate Handler arm releases plates above the bottom of the plate stacks
• Reaction plates tip or tilt when placed into the instrument tray by the arm
1. Remove the covers for the fixed-position bar code reader and the underlying
platform.
GR2009
7900HT
Front view with Robot
7900HT FAST Real-Time PCR System
GR2009
Fixed-position bar code reader
and underlying platform covers
2. Loosen the three black thumbscrews on the platform connecting the 7900HT
instrument and the Plate Handler base.
3. Move the instrument tray to the out position.
a. Start the Automation Controller Software.
If an error dialog box appears reading, 'Machine calibration values are
not valid. Please refer to documentation for calibration process,'
click .
b. Click
The 7900HT instrument moves the instrument tray to the out position,
perpendicular to the instrument.
c. Select File > Exit.
The software quits the Automation Controller Software.
4. Select >
The Zymark Twister Software starts.
Black thumbscrews
.
Programs > Zymark Twister Plate Handler > Twister.
September 1, 2004 11:39 am, CH_Maintenance.fm

Aligning the Plate Handler

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