Troubleshooting
DSX™ System Service Manual 13-3
Symptom Probable Cause Resolution
Dispense
problems
(Cont’d)
The waste level
sensor connector is
defective
Replace the sensor assembly.
Aspirate pump
does not operate
Defective pump Replace the pump (refer to the section
entitled Replacing The Aspirate Pump
Assembly on page 13-13).
Defective Main Board Replace the Main Board (refer to the section
entitled Replacing the Printed Circuit Board
Assembly on page 13-20).
Aspiration is not
complete.
The aspiration pins
are clogged
Remove the Wash Head assembly and clean
it using the manifold head cleaning wire.
The aspiration pin
height is set too high
Repeat the plate set-up procedure.
The seal on the
waste container is
leaking
Check the seal and waste tubing for leaks.
The wash protocol is
not optimized
Add additional aspiration cycles to the wash
protocol.
Aspiration tubing may
be blocked or kinked
Check the aspiration tubing and remove any
blockages or kinks.
The vacuum exhaust
may be blocked
Remove any obstructions at the vacuum
exhaust.
The vacuum pump
may be contaminated
by overflow
Clean the vacuum pump.
The wash head is not
correctly positioned
on the arm
Reposition the wash head on the arm so it is
level with the plate bottom when inserted in
the plate carrier.
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