I/O-box E9
Possible cause and actionProblem
•
Hot surroundings
Decrease the room temperature. Maximum operating tempera-
ture is 35 C.
•
Hardware error
The internal temperature of
the I/O-box is too high
•
Wrong Node ID
Make sure that the Node ID is (00) for the primary box, and (01)
for a potential secondary box.
The I/O-box is not detected
by the system
•
Cables incorrectly connected
Make sure that the cables are connected correctly, earth to earth
etc.
The system does not detect
Digital signals correctly
•
Digital Out connections switched
Check that the digital Out cables are correctly connected, earth
to earth etc.
Digital In always ”0”, regard-
less of input signals
•
Cables incorrectly connected
Make sure that the cables are connected correctly, earth to earth
etc.
To isolate the problem:
External digital equipment
does not respond to set
changes in Digital Out
1
Connect Digital Out (e.g. pin 6) to Digital In (pin 1,2,3, or 4).
2
Change the Digital Out 1 signal between ”1” and ”0”. Verify that
Digital out follows.
3
If not: contact Service.
If it does: the problem probably lies within the connected equip-
ment.
•
Auto-zero on the wrong level
Reset Auto-zero.
•
Digital Out connection error
Make sure that Digital Out is connected correctly, earth to earth
etc.
Analog In does not measure
expected voltage
•
Too long cable between the external equipment and E9
Use as short cable as possible. Use shielded cable. Connect the
cable shield to the D-sub connector’s shield.
Noisy analog signal
•
Analog In is not calibrated
Contact Service.
Analog In does not measure
expected voltage
ÄKTA pure User Manual 29119969 AB 399
8 Troubleshooting
8.7 Troubleshooting: Other components
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