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Agilent 1260 Infinity II Preparative Autosampler User Manual
139
Error Information
8
Sampler Error Messages
Metering Home Failed
Error ID: 34202, 34201, 34224
The metering piston has failed to move back to the home position.
The home position sensor on the hydraulic unit flex board monitors the home
position of the piston. If the piston fails to move to the home position, or if the
sensor fails to recognize the piston position, the error message is generated.
Probable cause
Suggested actions
1
Blockage in the flow path.
Change needle or needle seat.
2
Defective sensor.
Exchange the optical sensor cable.
3
Broken piston.
Exchange the metering piston and seal.
4
Defective metering-drive motor.
Exchange the metering-drive motor.
5
Defective main board.
Exchange the main board.
6
Loose belt.
•
Check belt tension.
•
Exchange the belt