GE AKTA avant User Manual page 382

8 Troubleshooting
8.4 Troubleshooting: Valves
Inlet valves
Problem
Faulty air sensor in the
valve
pH valve
Problem
Leaking pH valve
Module Panel
Problem
The instrument is un-
able to find some of the
modules
382
Possible cause and action
Hardware error
•
Restart the instrument with the power switch. If this
error is recurrent, generate a System error report and
contact Service.
Possible cause and action
The dummy electrode was dry when it was installed
•
in the valve.
1 Remove the dummy electrode.
2 Wet the dummy electrode properly with distilled
water.
3 Insert the dummy electrode into the pH valve.
4 Rotate the dummy electrode before securing it
with the nut.
Possible cause and action
A Module Panel is missing and the position is left
•
empty
Install the missing Module Panel.
The cable between the Module Panel and the ICU is
•
not connected
Remove the Module Panel and make sure that the
cable is connected.
ÄKTA avant User Manual 29035184 AE