Service manual

PN 4237242C
7.1-1
7
7
TROUBLESHOOTING
7.1 TROUBLESHOOTING DIAGNOSTICS
Customer Options Available for Troubleshooting
The Diluter Functions menu provides the customer and Service Representative a means of
basic diluter troubleshooting. There are six functions provided on this menu and they are
described in Table 7.1-1.
Table 7.1-1 Diluter Functions Menu Options
Function Description When to Use
CLEAR
APERTURES
Performs an aperture burn or zap, similar to
the zap performed during an aspiration cycle.
r
As a first attempt at clearing a plugged aperture,
perform several times.
DISPENSE LYSE
Dispenses 415 mL of lyse into the WBC bath.
Note: There is no drain function tied to
DISPENSE LYSE
, so it is up to the operator to
monitor and drain the WBC bath if necessary.
Note that the lyse sensor (S9) is not used
during this function.
r
To manually prime the lyse system.
r
To check for bubbles in the lyse system.
r
To verify operation of lyse pump PM5.
r
In the Lyse Volume Adjustment/Verification
procedure (see Heading 4.31).
DRAIN
Drains the baths.
r
Primarily to drain fluid before removing the
baths.
r
To verify the operation of waste pump, PM4, and
solenoids 7 and 10.
RINSE
Primes the diluent reservoir system and fills
both baths with fresh diluent. First, however,
performs a drain to ensure the baths do not
overflow, eliminating the need to
DRAIN
the
baths before using
RINSE
.
r
To verify the operation of rinse pump, PM3, and
solenoid 11.
r
To help detect a plugged 10m filter (FLS2).
r
To check the operation of diluent pump, PM2, if
it is used enough times to force a refill of the
reservoir.
MIX
Operates by sending mixing bubbles to each
bath in turn.
r
To verify the operation of air/mix pump, PM1,
and solenoid 12.
r
To observe plugs or leaks in fluid barrier FLS3
and solenoid 9.
CLEAN BATHS
Drains the baths, then prompts the operator
to add a cleaning solution directly into the
open baths. Use a dilute bleach solution. If
COULTER CLENZ
®
concentrate is not
available, use COULTER CLENZ cleaning
agent.
r
To clean the baths with a solution other than
COULTER CLENZ concentrate (cleaning agent).
r
If the
CLEAR APERTURES
function was
unsuccessful, to add bleach solution as a second
step for attempting to clear a clogged aperture.
C