Metrohm 889 IC Sample Center Basic Manual page 39

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Problem
889 IC Sample Center Basic
Cause
WARNING
Observe the maximum pressure of 350 bar in order to avoid any valve
leakage.
Remedy
4. Clean the needle.
5. If washing solution is flowing out of the
open end, check the rotor seal. If not, then
check the entire flow path to determine
whether the connections have been tight-
ened too firmly.
If the problem persists, undo the buffer
tubing from the syringe valve.
6. Clean the needle.
6 Troubleshooting
31
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