PAC R6000S - Page 76

Page 74 of 92 PAC L.P., All Rights Reserved, 2015
R6000S Operation Manual: Rev. G
Symptom
Probable Cause
Corrective Action
Non-repeatable Results
Amplifier saturation
Reduce Sample size,
concentration or amplifier gain.
Contaminated gas supply
Replace gas supply.
Contaminated Pyrotube
Clean or replace Pyrotube.
Incomplete sample
combustion
Ensure furnace temperature
and gas flows are correct.
Flow-path restrictions
Check fittings, ferrules,
Pyrotube, and vents in the
flow path and remove
restrictions.
Defective Membrane Dryer
Replace Membrane Dryer.
Reduced UV source output
Replace UV Lamp.
PMT Voltage Change
Replace or adjust PMT HV.
Abnormal ambient temp
change
Stabilize ambient temperature.
Light leakage
Use light leak test to find leaks
and repair as needed.
Defective PMT or Cooler
Replace PMT or Cooler.
Defective Pre-amp PCB or
Amplifier PCB
Replace Pre-amp PCB or
Amplifier PCB.
Gas leak
Use gas leak test to find leaks
and repair as needed.
Inaccurate Results
Inaccurate calibration curve
Perform Calibration
Procedure.
Inaccurate calibration
standards
Replace cal standard.
Contaminated gas supply
Replace gas supply.
Contaminated Pyrotube
Clean or replace Pyrotube.
Incomplete sample
combustion
Ensure furnace temperature
and gas flows are correct.
Reduced UV source output
Replace UV Lamp.
PMT Voltage Change
Reset PMT high-voltage.