HT2000H_en_n.doc Page 122 of 167
Solution:
Tap “CONTINUE” to edit the method (set “Fill volume” to a value different from zero or set the
“Syringe Pre-fill” to NO).
8.4 Touch Sensor problems
Error message:
“Warning: Check Touch Sensor!”
Causes:
Touch sensor is not working correctly (normally always on). It is possible that there are mechanical
problems.
Solution:
Tap “DISENGAGE” to enter the screen from which it is possible to move the motors to try to unlock
the system and solve the problem (see paragraph 4.2.3 “Setup: Manual operations“).
Ensure that the vial locator can move up and down freely and that the left safety lock is higher than
the right lock (see paragraph 3.3.2 “Safety Lock setting”)
To exit manual operations, tap “EXIT”. If the problem is solved, the autosampler will re-start the
Automatic run procedure from the point of interruption.
8.5 Falling vials
In most cases if a vial falls during transport the problem is due to an incorrectly crimped cap (see
paragraph 3.7.1 “Vial capping (Crimping Cap)“ for correct vial capping).
Warning
The autosampler only works properly by using vials with a round bottom. It has been tested
with vial types reported in 12.2 “Sample vials“.
To reduce this problem, the crimping tool should be regularly checked to ensure that the cap
cannot turn once it is crimped, and that the under edge of the cap is flush with the vial lip. Also,
check that any obstacles do not hinder the turret and that the vial handlers at the end of the arm
are clean.
In that case we recommend to check:
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