Troubleshooting - VITLAB piccolo 1 Mode D'emploi

11. Troubleshooting

Trouble
Piston is difficult
to move
Reagent is not
aspirated
Cylinder does
not fill
Intake-/dischar-
ge tube not
firmly con-
nected
Air is aspirated
Dispensed volu-
me is too low
If these measures do not help, return instrument for repair
(see chap. 13).
34
Possible causes
Formation of crystals
Sticking filling valve
Discharge valve damaged Clean discharge valve;
Tubes damaged
Intake valve not firmly
connected
Intake tube not firmly
connected or damaged
Reagent with high vapor
pressure has been drawn
in too quickly
Intake valve leaks
Intake tube not firmly
connected or damaged
Action to be taken
Clean instrument
(see chapter 8)
Clean intake valve;
replace if necessary
(see chapter 9.1)
replace if necessary
(see chapter 9.2)
Replace intake-/
discharge tube
Tighten intake valve;
replace if necessary
(see chapter 9.1)
Push intake tube on
firmly; replace if neces-
sary
Aspirate reagent more
slowly
Clean intake valve;
replace if necessary
(see chapter 9.1)
Push intake tube on
firmly; replace if neces-
sary