VistaLab 2100-0003, Operating Manual, Page: 14 / 20

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Troubleshooting
If problem still occurs, contact VistaLab Technical Support at (914) 244- 4068 or techservice@vistalab.com
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Problem Possible Cause Suggested Fix
Slow aspiration
-
Membrane filter clogged
- Not enough force on aspirate button
-
Replace membrane filter
- Press aspirate button with more force
to increase aspirate speed
Aspirating air bubbles
- Pipet tip not fully immersed in liquid while
aspirating
-
Pipet not fully inserted into nozzle insert
-
Aspirating too fast for solution
(ex: detergents)
-
Make sure pipet tip is fully immersed in
liquid throughout aspiration
- Insert pipet more
- Lightly press the aspirate button to slow
aspirate speed
Pipet te drips liquid
-
Pipet not fully inserted into nozzle insert
- Crack in serological pipet
- Membrane filter not properly
positioned or upside down
- Nozzle insert worn or damaged
-
Valve not shutting properly
-
Try Wobble-not low insertion force,
less drip serological pipets
- Get a new pipet
- Insert filter properly (see pg. 4)
-
Replace nozzle insert
- Send ali-Q 2 in for repair service
Pipet does not stay in ali-Q 2 - Nozzle insert worn or damaged - Replace nozzle insert
NOTE: Using Wobble-not pipets will
significantly
decrease
damage to the
nozzle insert.
Out-of-Calibration - Using different equipment or different
density liquid, varying environmental
conditions
- Membrane filter clogged
- See In-lab Calibration on page 12
- Replace membrane filter
ali-Q 2 makes “error” sound
when dispensing aliquots
-
Not
holding
down aliquot button long
enough
-
HOLD aliquot button until status LED
blinks
GREEN
and motor starts (you
will hear and feel motor)
LED blinks or does not light up
when connected to charger
-
Battery not properly installed
- Wrong Power supply
-
Battery / Power supply damaged
-
Firmly push in battery connector
- Only use Power supply Cat. #9020-9005
-
Replace battery/ replace Power supply
Battery does not hold charge
-
Charger not inserted fully
- Battery defective or drained
-
Check charger connection. Replace
charging cord
- Replace battery
ali-Q 2 is unresponsive
-
Dead battery
-
Recharge battery
- Restart unit by unplugging battery for 10
seconds and plug battery back in.