![Agilent Technologies InfinityLab 1290 Infinity II Скачать руководство пользователя страница 70](http://html.mh-extra.com/html/agilent-technologies/infinitylab-1290-infinity-ii/infinitylab-1290-infinity-ii_user-manual_2868509070.webp)
6
Troubleshooting and Diagnostics
General Problems
Agilent InfinityLab ELSD User Manual
70
Peak tailing
Instrument Fails to zero
No power
Probable cause
Suggested actions
1
Eluent particles lingering in the optical
chamber
Increase evaporator gas flow rate.
2
Poor chromatography
Optimize HPLC separation.
Probable cause
Suggested actions
1
Offset too high or output unstable due to
impurity in mobile phase
•
Stop pump flow and switch off unit. Restart
unit and A/Z without liquid flowing.
•
Refer to local distributor or Agilent
Technologies.
•
Optical section contaminated and requires
cleaning.
Probable cause
Suggested actions
1
Mains lead not connected
Attach mains lead to socket and inlet on rear of
instrument.
2
Fuse failure
Replace fuse.
3
Power supply failure
Call Agilent Service representative.