Troubleshooting - GE AKTA Valve INV-907 Instructions Manual

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Troubleshooting

Valve INV-907 Instructions 56-8101-01 Edition AE
If the suggested actions do not correct the fault, call GE Healthcare.
Fault
The valve is not switching
The valve is switching to wrong position
External leakage
Internal leakage
High back pressure (clogging)
Other faults
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Troubleshooting 5
Action
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 parts may have been incorrectly
assembled after replacement.
1 Check that the distribution plate marking 3 is
horizontal.
1 Check the tubing connections.
Tighten or replace if required.
Internal leakage are easy to detect 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.
1 Do cleaning-in-place according to the
instructions in section 4.
2 Change channel plate and distribution plate
according to section 4.
Contact GE Healthcare.
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