User manual

108 1260 Nanoflow Pump User Manual
7 Error Information
Module Error Messages
Wait Timeout
When running certain tests in the diagnostics mode or other special
applications, the pump must wait for the pistons to reach a specific position,
or must wait for a certain pressure or flow to be reached. Each action or state
must be completed within the timeout period, otherwise the error message is
generated.
Possible Reasons for a Wait Timeout:
· Pressure not reached.
· Pump channel A did not reach the delivery phase.
· Pump channel B did not reach the delivery phase.
· Pump channel A did not reach the take-in phase.
· Pump channel B did not reach the take-in phase.
· Solvent volume not delivered within the specified time.
Electronic fuse of SSV
The electronic fuse protecting the solvent selection valve electronics has
blown.
Probable cause Suggested actions
1 Flow changed after starting test.
Ensure correct operating condition for the
special application in use.
2 Defective pump drive assembly.
Please contact your Agilent service
representative.
Probable cause Suggested actions
1 Recoverable error of the SSV electronic.
Restart module, the electronic fuse can recover.
If not, contact Agilent service.
2 Short cut of SSV/cable
Replace cable between board and SSV