Cooled Evaporator Will Not Reach Low Temperature E.g. 10 °C; High Backpressure From Detector - Agilent Technologies InfinityLab 1290 Infinity II User Manual

6 Troubleshooting and Diagnostics
General Problems
Cooled Evaporator will not reach low temperature
e.g. 10 °C
Probable cause
1
2

High backpressure from detector

Probable cause
1
Agilent InfinityLab ELSD User Manual
Ambient lab temperature too high
Faulty Peltier cooler unit
Nebulizer or nebulizer inlet tube blocked
Suggested actions
Move detector to laboratory where ambient
temperature is <25 °C.
Consult Agilent Technologies or your local agent
if problem persists.
Suggested actions
Manually syringe water into ELSD front Inlet port
to remove obstruction.
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