Specifications

A64192AA2 FINAL
6-1
CHAPTER 6
Connection Unit
Connection Unit Error Recovery
The Connection Unit Error Code Table 6.1 describes error messages generated by the LH 1500
Hematology Automation System. The table provides the system error codes, the related sensor, a
location reference point on the schematic diagram and a brief explanation of the possible problem
and possible solutions.
Tab le 6. 1 Connection Unit Error Codes
Keypad
Display Sensor
a
Problem
Sensor
Diagram
Grid
Ref Solution
1-01 SN01 Obstruction or
hardware error at lower
limit sensor on the
Cassette Loading Arm.
Connection
Unit
Loading and
Unloading
Arms
D-5 1. Clear any obstruction.
2. If there is no obstruction:
a. SHUTDOWN at Line Controller and Power
OFF automation line at Inlet Unit.
b. Power ON the automation line at Inlet
Unit.
c. Perform STARTUP at Line Controller.
3. If the problem persists, call your Beckman
Coulter Representative.
1-02 SN02 Obstruction or
hardware error at the
middle limit sensor on
the Cassette Loading
Arm.
Connection
Unit
Loading and
Unloading
Arms
C-5 1. Clear any obstruction.
2. If there is no obstruction:
a. SHUTDOWN at Line Controller and Power
OFF automation line at Inlet Unit.
b. Power ON the automation line at Inlet
Unit.
c. Perform STARTUP at Line Controller.
3. If the problem persists, call your Beckman
Coulter Representative.