TA Instruments DSC Autosampler CE - Page 162

Diagnostics
6–30 TA I NSTRUMENTS DSC A UTOSAMPLER CE
NOTE:
Press RESET SAMPLER and then
press ENTER to return the Autosam-
pler CE to the home position; then
retry the interrupted task.
The “Contact Error” messages are functional
only when the Autosampler CE is connected to
the GPIB and is plugged into an outlet to provide
a ground.
Contact Error
Both Fingers
Problem: Both of the gripper fingers have
touched the DSC cell. Motion is
stopped when this occurs to prevent
damage to the cell or gripper fingers.
All motion keys except the RAISE key
become inoperable.
Solution: Press the RAISE key to clear the
gripper fingers from the cell. Then use
the other motion keys to reposition the
grippers before you retry the inter-
rupted task.
- OR -
Press RESET SAMPLER and then
press ENTER to return the Autosam-
pler CE to home position; then retry
the interrupted task.
Error
GPIB IC U13
Problem: The confidence test has detected that
the TMS9914 chip cannot generate