Siemens Hematek, Operating Manual

Page: 79 / 98

Section 7: Troubleshooting, Page 7—5
Cannula openings are
clogged Remove cannulas from solution
bottles and clean away debris
with cloth and alcohol
Pump tubing is
collapsed from use, or is
perforated Replace pump tubing. Refer to
Replacement of the Pump
Tubing
on page 6-7 .
Underplaten tubing
(from the circuit board
area to the platen) is
clogged with foreign
matter Replace with new tubing. Refer
to
Replacement of the
Underplaten Tubing on page 6-
11 .
Yellow
LOW STAIN
light is not functioning
properly
Stain Pak is not properly
positioned in the well Reposition the Stain Pak so it
moves freely up and down on
the right end
Light is burned out Replace light assembly. Refer
to
Replacement of Light
Assemblies on page 6-4 .
Light switch is not
operating correctly Contact your local technical
support provider or distributor
for information on adjusting the
switch
Switch or associated
circuit is defective Contact your local technical
support provider or distributor
Improper mixing action
between stain and
buffer on platen Instrument is not
properly leveled Adjust the front feet of the
instrument so the bubble is
centered in the circular bubble
level. Refer to
Level the
Instrument on page 2-4 .
Inadequate pump
volume setting Refer to Pump Volume
Adjustment on page 6-14.
Contact your local technical
support provider or distributor
if unable to adjust properly.
Uneven staining Mixing grooves on the
platen are dirty Clean mixing grooves. Refer to
Cleaning the Platen on page 5-
3 .
Too much stain or buffer
solution is being
pumped causing poor
mixing of stain and
buffer Refer to Pump Volume
Adjustment on page 6-14