Troubleshooting And Diagnostics - Agilent Technologies 1290 Infinity II User Manual

Agilent 1290 Infinity II ELSD User Manual
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Troubleshooting and Diagnostics

Troubleshooting
Troubleshooting an HPLC System
General Problems
Baseline noise
Baseline spikes
Low sensitivity
Spiky peak tops but flat baseline
Large Baseline offset
Peak tailing
Instrument Fails to zero
No power
No response (completely flat baseline)
Temperature error as soon as instrument powered on
Display not on, but power connected
Cooled Evaporator Temperature reads zero at start-up and cannot be
changed
Vapor sensor error occurs, but there is no solvent or vapor leak inside
unit
Cooled Evaporator will not reach low temperature e.g. 10 °C
High back-pressure from detector
This chapter gives an overview about the troubleshooting and diagnostic
features.
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