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5-2
Troubleshooting the Analyzer
If you are unable to correct a problem and require service assistance, please contact your local
technical support provider or distributor.
Alignments and Adjustments
Adjusting the Hgb Baseline Value
When to adjust the Hgb colorimeter-lamp baseline value
•
After replacing the lamp.
•
If the baseline value is >4.2 volts.
•
If indicated during troubleshooting.
To adjust the Hgb baseline value
1.
At the
Procedures
menu, select the
Adjust Lamp/Temp
tab.
2.
Select
Hgb
Baseline
.
3.
Pop out the small white plug on the colorimeter to access the potentiometer
adjustment screw on the Hgb Power Supply Preamp PCB.
Potentiometer (1) on the Hgb Power Supply Preamp Board
4.
Select
Start Cycle
. As the analyzer is checking the baseline value, use a
small screwdriver to turn the adjustment screw so that the
Current
value is
4.1
.
To increase the value, turn the screw clockwise.
To decrease the value, turn the screw counterclockwise.
5.
Select
Exit
and replace the plastic plug.
Summary of Contents for ADVIA 2120
Page 1: ...ADVIA 2120 2120i Hematology Systems Operator s Guide 067D0157 01 Rev 201 0 ...
Page 30: ...1 26 Welcome to the ADVIA 2120 2120i Hematology System ...
Page 46: ...3 12 Daily Routine ...
Page 171: ...7 2 Status Line messages T 93 U 94 V 96 W 98 X 99 Y 99 Z 99 ...
Page 269: ...7 100 Status Line messages ...
Page 341: ...8 72 Methods ...