Pump Error Messages; Encoder Missing; Index Adjustment - Agilent Technologies 1220 Infinity II LC User Manual

Pump Error Messages

These errors are specific to the pump.

Encoder Missing

Error ID: 2046, 2050, 2510
The optical encoder on the pump motor in the module is missing or defective.
The processor checks the presence of the pump encoder connector every 2 s. If
the connector is not detected by the processor, the error message is generated.
Probable cause
1
2

Index Adjustment

Error ID: 2204, 2214
The encoder index position in the module is out of adjustment.
During initialization, the first piston is moved to the mechanical stop. After
reaching the mechanical stop, the piston reverses direction until the encoder
index position is reached. If the time to reach the index position is too long,
the error message is generated.
1220 Infinity II LC System User Manual
Defective or disconnected pump encoder
connector.
Defective pump drive assembly.
Error Information

Pump Error Messages

Suggested actions
Please contact your Agilent service
representative.
Please contact your Agilent service
representative.
10
203