5.3 Pump
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855 Robotic Titrosampler
Problem Cause Remedy
Swing Head – The Swing
Head drive is defective.
Contact Metrohm Service.
5.3 Pump
Problem Cause Remedy
The pump is leaking. Sample Processor – A tub-
ing connection is leaking.
Check the tubing connections especially
between the distributor and the pump and
seal tightly.
Canister – There is too
much pressure on the
pump valve.
■ Make sure that the canisters are not placed
on a higher level than the pump.
■ Check the fill level of the canisters.
■ Make sure that the canisters are not com-
pletely sealed (overpressure).