Agilent Technologies 1290 Infinity II - Purge Valve Failed; Reading of Purge Valve Tag Failed; Pump Drive Encoder Rollover

1290 Infinity II High-Speed Pumps User Manual 126
7 Error Information
Pump Error Messages
Purge valve failed
Error ID: 22417
Lost steps of the purge valve encoder.
• Parameter: None
Reading of purge valve tag failed
Error ID: 22420
Reading the purge valve tag failed.
• Parameter: None
Pump drive encoder rollover
Error ID: 22424
Invalid pump drive encoder signals have been detected.
• Parameter: 1 – 4 referring to pump drive
Probable cause Suggested actions
1 Purge valve drive mechanically blocked or
defect.
• Check installation of purge valve head.
• Please contact your Agilent service represen-
tative.
Probable cause Suggested actions
1 Reading of purge valve tag failed.
Check cable connection.
2 Purge valve head tag defect or empty.
Replace purge valve head.
3 Purge valve tag reader is defect.
Please contact your Agilent service representa-
tive.
Probable cause Suggested actions
1 Pump drive encoder is defect.
Please contact your Agilent service representa-
tive.