3-34 Troubleshooting, Testing, and Maintenance
Shutdown messages
Shutdown messages appear on the controller screens when an operator-set
limit is exceeded. These require operator intervention. Determine appropriate
action by consulting the table titled “Shutdown messages” on page 3-35.
To resume programming:
1. Press CLEAR.
2. Check the PUMP SETUP parameters.
3. Make adjustments to the parameters.
4. If the problem continues to occur, notify Waters Technical Service.
System shutdown response
When a shutdown occurs, the system responds as follows:
• A message appears as:
Shutdown Occurred - Reason:.............
• The system resets the flow rate to 0.0 mL/min. Flow and composition
appear on the display.
Invalid Injection
Number
The Injection Number is not part of the Step
indicated. Check the PROGRAM METHOD screen.
This message is accompanied by an audible alarm.
Invalid Vial
Number
A vial number was selected that is not included in the
selected step of the program method. Check the
PROGRAM METHOD screen. This message is
accompanied by an audible alarm.
First Vial Greater
Than Last Vial
Refer to the PROGRAM METHOD screen. The last
vial must always be in a higher location than the first
vial. This message is accompanied by an audible
alarm.
Table Is Full Exceeded the maximum 48 steps for this table. This
message is accompanied by an audible alarm.
Operational warning messages (Continued)
Message Description
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