GE AKTA avant, User Manual

Page: 381 / 538

8.4 Troubleshooting: Valves
General
The following table lists the general problems that may occur for the different valves.
Possible cause and action Problem
•
The cable between the valve and the ICU is not
connected
Remove the valve and make sure that the cable is
connected. See Section 4.2 Installation of optional
modules, on page 102.
•
Wrong Node ID
Check the valve Node ID. If necessary, change the
Node ID. See Section 9.15 Check and change the Node
ID of a module, on page 515.
The valve is not found
by the instrument
•
The air intake on the rear or on the left side of the
instrument is covered
Make sure that none of the air intakes on the instru-
ment are covered.
•
Hot surroundings
Decrease the room temperature. Maximum operating
temperature is 35°C.
•
Hardware error
Switch off the instrument and wait until the tempera-
ture has decreased. Restart the instrument. If this error
is recurrent, generate a System error report and con-
tact Service.
The internal valve tem-
perature is too high
•
Hardware error
Generate a System error report and contact Service.
The valve is not
switching or is switch-
ing to wrong position
•
Hardware error
Generate a System error report and contact Service.
External leakage
•
Broken valve
Replace the valve. See Section 4.2 Installation of option-
al modules, on page 102.
Internal leakage
ÄKTA avant User Manual 29035184 AE 381
8 Troubleshooting
8.4 Troubleshooting: Valves