GE akta start - Page 94

4.1 UV
Warning messages
ActionPossible causeDescriptionWarning code
•
Flush the UV flow cell and
mount it securely
Or,
•
Replace the UV flow cell and
re-calibrate.
For instructions, see:
In the Settings and service:UV
screen:
When trying to calibrate; if the
detector output is less than 2700
mV, even for a maximum UV
light strength of 1024.
UV intensity
low
111
Section 5.4 UV flow cell, on
page 122
Section 3.5.1 UV LED calibration,
on page 39
•
Set a lower UV light strength
(maximum 500).
•
Tap Calibrate to get a signal
of about 2700 mV.
In the Settings and service:UV
screen:
When trying to save the UV light
strength after calibration, if the
signal is greater than 4000 mV.
UV intensity
high
112
•
Replace the UV Monitor.
•
Perform UV LED calibration.
For instructions, see:
In the Settings and service:UV
screen:
When trying to save the UV light
strength after calibration, if the
UV light strength is in the range
1016 to 1020.
UV reaching
end of lifetime
113
Section 3.5.1 UV LED calibration,
on page 39
Section 3.5.3 Flow cell path
length, on page 44
•
Replace the UV Monitor.
•
Perform UV LED calibration.
For instructions, see:
In the Settings and service:UV
screen:
When trying to save the UV light
strength after calibration, if the
UV light strength is 1020.
UV reached
end of lifetime
114
Section 3.5.1 UV LED calibration,
on page 39
Section 3.5.3 Flow cell path
length, on page 44
94 ÄKTA start Maintenance Manual 29060308 AD
4 Troubleshooting
4.1 UV