Maintenance and troubleshooting
Instruction manual ATS4, Mar-16
23
•
Screw the new septum punch into position and tighten it.
•
Re-install the baffle bridge.
•
Mount the syringe and the sample rack
5.6
Replacing fuses
•
Switch off the instrument.
•
Disconnect the power cord from the electrical inlet of the instrument.
•
With a small screwdriver pull out the fuse box from above the power connection of
the instrument.
•
Replace the fuse(s). The label 250 V 2.0 AT (slow) is valid to the full voltage range.
•
Push the fuse box back into the instrument.
•
Reconnect the power cord.
Fig.10: Fuse holders
5.7
Troubleshooting
•
During the filling of the syringe bubbles are visible:
The connection between syringe and needle is not tight
Action: check connection and tighten it
The needle is clogged
Action: replace needle
The Teflon small white seal of the needle is missing
Action: Add the Teflon seal between the needle and the syringe
•
During suction (if the plunger is at the top position) bubbles are visible in the
tubing (and only there):
The syringe plunger is not thigh
Action: Replace syringe plunger
The side connector is not tight
Action: check side connector and tighten it
•
Little or no liquid is transported through tubing during suction (if the plunger is at
the top position):
The needle is clogged
Action: Replace needle
Summary of Contents for ATS 4
Page 1: ...INSTRUCTION MANUAL AUTOMATIC TLC SAMPLER 4...
Page 31: ......
