Trouble shooting 5
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Instructions 56-8101-02 Edition AE
If the suggested actions do not correct the fault, call GE Healthcare.
Fault Action
The valve is not switching
1 Check the connection to the pump. The
valve should be connected to the
UniNet 2
socket, not the
UniNet 1
socket.
2 Check the ID-switch on the valve. The ID
number should correspond to the number
set in UNICORN.
3 Check the UniNet cable and replace if
required.
The valve is switching to wrong position
The valve parts may have been incorrectly
assembled after replacement.
1 Check that the distribution plate marking i/o
is horizontal.
External leakage
1 Check the tubing connections.
Tighten or replace if required.
Internal leakage
Internal leakage can be detected at the small
hole on the underside of the valve body.
1 Internal valve parts may be worn.Change
channel plate and distribution plate
according to section 4.
High back-pressure
1 Do cleaning-in-place according to the
instructions in section 4.
2 Change channel plate and distribution plate
according to section 4.
Other faults
Contact GE Healthcare.
5 Trouble shooting
