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Common Problems
The following troubleshooting chart provides solutions to some
common problems you may encounter during routine AA analysis.
Please note that this list is not exhaustive.
Fault
1
Oxidant pressure low
2
Burner fault
3
Liquid trap fault
4
Spraychamber bung fault
5
Lack of control of gas flows
6
High oxidant flow
7
Flame sensed with no flame
Agilent 55B AA Spectrometer User's Guide
8. Troubleshooting/Errors
Common Problems
Error Messages
Check
a) Check gas supply pressure.
a) Check the burner type is correct for the selected flame type and
it is correctly installed.
a) Check liquid trap is full and float is free to move.
b) Check the operation of the liquid trap interlock in the burner
adjuster.
a) Check pressure relief bung is correctly installed in the
spraychamber.
b) Check operation of pressure relief bung interlock.
a) Check as for 1a)
b) Check for blockages in gas supply lines.
a) Check O-rings in nebulizer block.
b) Check nebulizer is correctly assembled and adjusted.
c) Check for leaks.
a) Too much light in the sample compartment. Ensure chimney
and flame shields are fitted. Turn off nearby lights.
b) Flame sensor faulty.
Troubleshooting/Errors
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