5-4 Error Messages, Diagnostic Tests, and Troubleshooting
Lamp lighting failure The lamp failed to
ignite.
1. Recycle power to the
detector.
2. Check lamp power
connection.
3. Replace lamp.
Lamp external input
conflict
A timed event or
action from the unit’s
front panel attempts
to change the lamp
state in conflict with
enabled lamp input
contact closure.
1. Check contact closure
status.
2. Check timed events.
3. Recycle power to the
detector.
Calibration not found Stored calibration
data not valid.
Perform manual calibration
procedure.
Peak not found:
Erbium n nm
Erbium filter
calibration range
does not contain a
local maximum.
1. Remove cuvette.
2. Be sure the front left
panel door is closed.
3. Flush flow cell.
Peak not found: 656
nm deuterium
Unit sensors cannot
determine 656-nm
peak.
1. Remove cuvette.
2. Be sure the front left
panel door is closed.
3. Flush flow cell.
Calibration
unsuccessful: Peak
out of range n.nn nm
Results of a
calibration operation
differ by more than
1.0 nm. Unit uses
previously stored
calibration points.
1. Remove cuvette.
2. Be sure the front left
panel door is closed.
3. Flush flow cell.
Startup, calibration, and operating error messages
Error Message Description Corrective Action
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