Troubleshooting
Mechanical/Electrical Problems
122
Recovering from vial jam problems
The headspace sampler attempts to recover from vial jams and continue where
it left off. Sometimes this is not possible. The simplest way to recover from a
vial jam problem is as follows:
1. Determine which vial was the last one that was completed (the sample
was run and you have believable run data).
WARNING Vials removed from the oven are hot!
2. Clear the jam.
Note that if the robotic arm jams in the x–axis, a protection circuit may
engage, disabling the arm for 10 to 15 minutes until the circuitry cools
down. After this time has elapsed, press Adv Fctn, . , 1, and Enter to
reset the sampler.
3. Turn the sampler off, then on again. The sampler should return all vials
back into the tray in their appropriate positions.
If it does, you have recovered from the vial jam.
If it does not, turn the sampler off and continue with the next step.
4. Remove all vials from the oven and the gripper. Place into the tray any
vials from the oven or gripper that still need to be run.
5. Press the Clear key and turn the power on. Continue to hold the Clear
key until you see the message Remove all vials!!!. At this point, the
instrument is reset. Adjust the method for the new range of vial locations,
then restart the run.
Mechanical/Electrical Problems
Instrument Resets Continuously
Probable Causes
Shorted temperature sensor
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