User`s guide

Troubleshooting
360
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.
Cause: If there has been a power failure, it is possible that
the gripper arm is still holding a tube.
Action: Turn the ATD off and disconnect the power
cord from the AC mains. Slide the tube out of
the gripper. It may be necessary to remove the
case to gain access to the tube. See Removing
and Replacing the Front Covers of the ATD on
page 247. Remove the caps from the decapping
mechanism. If the caps are not on the tube and
are not in the decapping mechanism, they have
been dropped. Locate the caps before replacing
the case. Turn on the ATD.
Cause: A mechanical problem has occurred.
Action: Contact your PerkinElmer service engineer.
Fault: Could Not Open Gripper
Cause: A mechanical problem has occurred.
Action: Contact your PerkinElmer service engineer.
Fault: Could Not Cap Tubes
Cause: You are using the wrong type of caps. If you are
using the PTFE caps that contain o-rings the
decapper cannot recap the tubes.
Action: You must use the new brass, press fit caps on
all sample tubes installed on the ATD carousel.
Cause: The press fit caps have been over-tightened.
Action: Ensure you have assembled the caps correctly.
See Tubes and Caps on page 186.
Cause: If there has been a power failure, it is possible that
the caps have been dropped.
Action: If the caps are not on the tube and are not in the
decapping mechanism, they have been dropped.