Troubleshooting
DSX™ System Service Manual 7-3
Symptom Probable Cause Resolution
Z-Drive Belt not in
place or defective
Tighten belt or replace belt (refer to page
7-22 for the procedure).
Z-Drive Not
Functioning or
does not travel
correct distance
Z Transition Board
defective
Replace the Transition Board (refer to page
7-30 for the procedure).
Z-Drive Motor
Defective
Replace the Z-Drive Motor (refer to page
7-27 for the procedure).
Z Optointerrupter
Defective
Replace the Z Optointerrupter (refer to page
7-21 for the procedure).
Z Encoder Defective Replace the Z Encoder (refer to page 7-20
for the procedure).
Z Pulley Misaligned Align one or both pulleys (refer to page 7-50
for the procedure).
Pipette does not
withdraw or
deposit liquid
Defective Pipette
Assembly
Pipette Assembly
clogged
Replace the Pipette Assembly (refer to page
7-4 for the procedure).
Remove the blockage.
Pipette
dispenses
incorrect volume
Defective Pipette
Assembly
Replace the Pipette Assembly (refer to page
7-4 for the procedure).
Pipette does not
lift or deposit
plates
Defective Pipette
Assembly
Defective Z-Drive
Replace the Pipette Assembly (refer to page
7-4 for the procedure).
See Z Drive Not Functioning or does not
travel correct distance above.
Pipette does not
pick up or
deposit pipette
tips
Defective Pipette
Assembly
Defective Z-Drive
Replace the Pipette Assembly (refer to page
7-4 for the procedure)
See Z Drive Not Functioning or does not
travel correct distance above.
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