– 30 –
Trouble Shooting
Problem Possible cause Corrective action
Piston diffi cult to move - Formation of crystals, dirty - Stop dispensing immediately. Loose
piston by circular motion, but do
not disassemble. Follow all cleaning
instructions (➤ p. 21-23).
Filling not possible - Volume adjusted to minimum setting
- Set to required volume (➤ page 16).
- Sticking fi lling valve - Clean the fi lling valve. If necessary
replace the valve with sealing washer
(➤ page 24).
Instrument does not
dispense liquid
- Discharge tube closure cap
pushed on
- Remove closure cap.
- Discharge tube not fi rmly
connected or damaged
- Push on the closure cap. Hold the
piston in place, and push the original
manufacturer‘s discharge tube on
fi rmly (➤ page 11). Replace a de-
formed or damaged discharge tube
(➤ Accessories and Spare Parts).
Air bubbles in the instrument - Reagent with high vapor pressure
has been drawn in too quickly
- Slowly draw in reagent.
- Seal not inserted, knurled locking
nuts not fi rmly connected
- Double check that seal (R) is in
place, and that the knurled locking
nuts at the discharge tube are fi rmly
seated and fi nger tight.
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
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