ICS-90 Ion Chromatography System
4-2 Doc. 031851-05 12/04
• PUMP UNDER PRESSURE ALARM
The system pressure has fallen below the low pressure limit, which is set from
Chromeleon (in the Server Configuration or in the control program).
Chromeleon will stop the pump and display the following error message in
the Audit Trail:
To troubleshoot:
1. Make sure the eluent reservoir is full.
2. Check for liquid leaks (see Section 4.2
).
3. Prime the pump (see Section B.13
).
4. Restart the pump from the ICS-90 Control panel in Chromeleon.
• LOAD/INJECT VALVE ERROR
If the injection valve fails to switch positions within 1 second of being
toggled, the ICS-90 Moduleware will report an error to Chromeleon and the
following error message will be displayed in the Audit Trail:
To troubleshoot:
1. If a sequence is being executed, terminate the sequence by selecting
Stop from the Batch menu.
2. Turn off the ICS-90 power briefly and then restart.
3. Try to toggle the valve from Load to Inject by clicking the
Manual
Override
button on the ICS-90 Control panel in Chromeleon.
4. If the problem persists, call Dionex for assistance.
The pump has lost prime.
Load/inject valve error.
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