Waters 2410 Operator's Manual page 94

Table 7-1 Abnormal Baseline Troubleshooting (Continued)
Symptom
Baseline noise, random
7
93 Troubleshooting
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Possible Cause Corrective Action
Air in flow cell Purge fluid path to remove
air.
Solvents not properly Degas/sparge solvents
degassed or sparged (see Section 4.3, Solvent
Degassing).
Flow erratic, pump not Prime the pump.
primed
Check for air in the pump,
failing seals.
Solvents contaminated Use fresh solvent.
Column contaminated Clean/replace column.
Dirty flow cell Clean fluidic path (see
Section 6.1, Cleaning the
Fluidic
Analog output cable not Properly connect cable.
properly connected
between 2410 and data
system or recorder
System improperly Plug into different outlet on
grounded different electrical circuit.
Use power conditioner.
Recorder voltage Set recorder to correct
incorrect voltage.
Radio frequency noise Eliminate interference.
Path).