Index Limit; Index Missing - Agilent Technologies 1220 Infinity II LC User Manual

10
Error Information
Pump Error Messages
Probable cause
1
2

Index Limit

Error ID: 2203, 2213
The time required by the piston to reach the encoder index position was too
short (pump).
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 index position is reached too fast, the error
message is generated.
Probable cause
1
2

Index Missing

Error ID: 2205, 2215, 2505
The encoder index position in the module was not found during initialization.
During initialization, the first piston is moved to the mechanical stop. After
reaching the mechanical stop, the piston reverses direction until the encoder
204
Irregular or sticking drive movement.
Defective pump drive assembly.
Irregular or sticking drive movement.
Defective pump drive assembly.
Suggested actions
Remove the pump head, and examine the
seals, pistons, and internal components for
signs of wear, contamination or damage.
Exchange components as required.
Please contact your Agilent service
representative.
Suggested actions
Remove the pump head, and examine the
seals, pistons, and internal components for
signs of wear, contamination or damage.
Exchange components as required.
Please contact your Agilent service
representative.
1220 Infinity II LC System User Manual