90 Agilent 1200 Preparative Pump User Manual
6 Troubleshooting and Diagnostics
Error Messages
Wait for Volume Timed Out
The wait time limit until a given volume has been pumped, has been exceeded.
Wait for Pressure Timed Out
The limit, for waiting until a given pressure is reached, has been exceeded.
Composition Cluster Partner Lost
Communication to a composition cluster partner was interrupted.
In a gradient system, two (or more) isocratic preparative pumps can be linked
together in a cluster acting as one gradient pump. The error message is
generated, if the communication between the partners of a cluster is
interrupted.
Probable cause Suggested actions
1 Wrong limit set for the time limit. Set limit accordingly.
2 Flow setting too low. Set flow accordingly.
Probable cause Suggested actions
1 Wrong limit set for the time limit. Set limit accordingly.
2 Leak. Check for leaks with the help of the built in
pressure or leak test and correct them, where
necessary.
Probable cause Suggested actions
1 Composition cluster partner was turned OFF. Turn ON composition cluster partner.
2 CAN-cable to composition cluster partner
disconnected.
Reconnect or replace CAN-cable.
3 Defective CAN-bus. Replace PPM main board.