28 Oct
1997 20:45
CELL-DYN
®
3/35 Sample Loader TS Guide 9140234B-June 1997
TROUBLESHOOTING
IP - 22 Alarm 2, Mixing Failure 2 of 6
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IP - 22 Alarm 2, Mixing Failure 2 of 6
Mixing
Home Sensor at
CPU Main Bd. =
+5.0V Blocked, 0.0V
Unblocked (See
Figure)
?
Replace Mixing
Home Sensor
(PL-4.11; see
Interrelationship
Matrix - Pg. 3-4)
No
Yes
Replace CPU, Main
Bd (PL-8.1; see
Interrelationship
Matrix - Pg. 3-4)
- Ensure Mixing (Z2) Motor
Wires at CN8 Pins 1 & 2 are
Connected Properly. Push
W ires into CN8 with Flat Blade
Screwdriver.( See Figure next
page.)
- Disconnect Mixing (Z2) Motor
Connection at CN8
- Manually Turn Mixing Drive
Screw to Move Flag Away from
Home and Limit Sensor
- Measure Voltage at Main Bd.
CN8 Across Pins 1 & 2 while
pressing Z
↑
& Z
↓
A3
SL-131B
TP
[NON- CE MARK]
Pin 4 Mixing Limit
Pin 2 Mixing Home
Pin 10
Mixing Limit
Pin 4
Mixing Home
CN5
[CE MARK]
A2A1
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