Possible cause and actionProblem
•
The Node ID for one or more of the modules is incor-
rect
Check Node ID and change the Node ID according to
Section 9.15 Check and change the Node ID of a mod-
ule, on page 515.
An unknown instru-
ment module is con-
nected to the system
Mixer
Possible cause and actionProblem
•
Leaking tubing connections
Check the tubing connections. Tighten or replace if
necessary.
Check the O-ring. Replace it if it is damaged. See Sec-
tion 7.8.3 Replace the O-ring inside the Mixer, on
page 340.
Check the Mixer chamber. Replace it if the liquid has
penetrated the Mixer chamber walls and sealings. See
Section 7.8.2 Replace the Mixer, on page 338.
See Mixer, on page 522.
Leakage
•
Bad mixing of eluents
Check the function of the Mixer. Place a stirrer bar in
the palm of your hand. Hold the hand above the Mixer.
The stirrer should move when the Mixer is activated.
Check the Mixer chamber size and change chamber
if necessary. See Section 7.8.2 Replace the Mixer, on
page 338.
Unstable gradients
and/or noisy UV signal
•
The Mixer chamber is not correctly installed
Verify that the Mixer chamber is correctly installed.
See Section 7.8.2 Replace the Mixer, on page338. If the
error is recurrent, replace the Mixer chamber. See
Mixer, on page 522.
The Mixer chamber
was not recognized
ÄKTA avant User Manual 29035184 AE 405
8 Troubleshooting
8.7 Troubleshooting: Other components
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