Troubleshooting/Errors
138
Agilent 55B AA Spectrometer User’s Guide
9
Igniter will not light
a) Check that there is a spark to light the tongue of the
flame. If not, call Agilent trained and certified
personnel.
b) Check operation of Ignite push-button.
c) Check as for fault 8.
10
Flame will not light
a) Oxidant flow may be too high - see fault 5. There may
not be an error message.
b) Check as for faults 1, 2, 3, 8.
c) Check operation of Ignite push-button.
d) If “flame sensed” error message displayed, check as
for fault 7.
e) Check flame shield interlock.
11
Poor light throughput a) Check lamp alignment.
b) Clean lamp windows.
12
High gain readings
a) Check PMT supply.
b) Change HC lamp.
c) Check as for fault 11.
13
Low sensitivity with
flame
a) Check nebulizer uptake rate.
b) Check nebulizer capillary is not blocked.
c) Check impact bead alignment.
d) Check for chemical interference.
e) Check fuel to oxidant ratio is correct.
f) Check burner is clean and clear of deposits.
g) Check solutions have not expired.
h) Check wavelength selection and calibration.
