User`s guide

Troubleshooting
359
details.
Cause: The carousel has not been aligned correctly.
Action: Contact your PerkinElmer service engineer.
Fault: Could Not Retract Arm
Cause: The tube cannot get free of the mobile seal.
Action: Turn the ATD off and disconnect the power
cord from the AC mains. Remove the front
covers as outlined in Removing and Replacing
the Front Covers of the ATD on page 247. Slide
the tube out of the gripper. Remove the caps
from the decapping mechanism. If the caps are
not in the decapping mechanism, they have been
dropped. Locate the caps before replacing the
case. Touch the Tools button, press Reset in the
menu and answer Yes to the pop-up question.
The instrument will reset itself and clear the
fault.
Action: If the fault reappears, the mobile seal may
require adjustment. Contact your PerkinElmer
service engineer.
Cause: Tubes have not been installed correctly on the
carousel and the gripper cannot grab the tube
securely, in order to pull it free of the carousel.
Action: If pen clips are installed on your tubes, the tube
must be inserted into the carousel with the pen
clip facing in, toward the center of the carousel.
Re-orient the tube on the carousel. Touch the
Tools button, press Reset in the menu and
answer Yes to the pop-up question. The
instrument will reset itself and clear the fault.
Press the Start button on the display to start the
analyses.
Fault: Could Not Close Gripper
Cause: Tubes have not been installed correctly on the
carousel.
Action: If pen clips are installed on your tubes, the tube
must be inserted into the carousel with the pen
clip facing in, toward the center of the carousel.