Agilent Technologies 1100 Series Manual de instrucciones Pagina 79

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79
Troubleshooting and Test Functions
Stroke Length
Stroke Length
The distance between the lower plunger position and the upper mechanical
stop is out of limits (quaternary pump).
During initialization, the quaternary pump monitors the drive current. If the
plunger reaches the upper mechanical stop position before expected, the
motor current increases as the quaternary pump attempts to drive the
plunger beyond the mechanical stop. This current increase causes the error
message to be generated.
Probable Causes Defective pump drive assembly.
Suggested Actions Exchange the pump drive assembly.
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