Troubleshooting: Valves - GE AKTA avant User Manual

8.4

Troubleshooting: Valves

General
The following table lists the general problems that may occur for the different valves.
Problem
The valve is not found
by the instrument
The internal valve tem-
perature is too high
The valve is not
switching or is switch-
ing to wrong position
External leakage
Internal leakage
ÄKTA avant User Manual 29035184 AE
Possible cause and action
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 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.
Hardware error
•
Generate a System error report and contact Service.
Hardware error
•
Generate a System error report and contact Service.
Broken valve
•
Replace the valve. See Section 4.2 Installation of option-
al modules, on page 102.
8 Troubleshooting
8.4 Troubleshooting: Valves
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