Dionex As - Page 135

4 • Troubleshooting
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Actions:
• Go to the TEMPERATURE STATISTICS screen (press Menu, 8, and
4) and check the following parameters under TRAY SET TEMP:
PELTIER: The Peltier value should be above zero. If it is not,
contact Dionex.
DUTY CYCLE: A value of 255 means the sample temperature
control option is working to capacity. The ambient temperature
may be too high or too low, or the airflow to the Peltier device
may be restricted.
• Select a temperature that is closer to ambient. If possible, adjust
the ambient temperature before running the AS.
• Check the fan intake under the AS and the fan exhaust in the back
for any obstructions restricting airflow. Make sure there is at least
6 cm (2.5 in) of free space behind the AS for ventilation.
• If the problem persists, contact Dionex.
• [482] An injection was skipped because of a problem in the
autosampler. Will continue with next injection.
Possible Causes: Vial not present
Actions: Insert vial in intended location.
• [486] A DIRECT CONTROL command was received while the
sampler door is open. Cannot implement command.
Actions:
• To execute Direct control commands from the front panel (Local
mode), temporarily disable the autosampler compartment door
lock on the
DOOR INTERLOCK BYPASS screen (see
Section C.6.7
).
• If you are running a schedule or Chromeleon or Chromeleon
Xpress sequence, press the
Door button before opening the
sample door (see Section 3.9
).