PAC R6000S, Operation Manual

Page: 74 / 95

Page 72 of 92 PAC L.P., All Rights Reserved, 2015
R6000S Operation Manual: Rev. G
Symptom Probable Cause Corrective Action
Baseline Drift, Continued UV Lamp is Unstable Replace UV Lamp.
High-voltage is unstable Monitor high-voltage for
stability. Replace high-voltage
board if necessary.
Light Leak Use Light Leak Check
procedure to check. Correct if
necessary.
Baseline High-Frequency
Noise PCB contacts dirty Clean PCB contacts.
Defective PMT Replace PMT.
Defective Pre-amp PCB Replace Pre-amp PCB.
Defective Amplifier PCB Replace Amplifier PCB.
Unstable AC power source Determine cause of instability
and correct.
Unstable gas regulator Replace regulator.
High-voltage power supply is
unstable Use high-voltage adjustment
procedure to monitor high-
voltage for stability. Replace if
necessary.
Defective PMT tube Replace PMT tube.
Baseline Low-Frequency
Noise Light leakage Use light leak test to find leaks
and repair as needed.
Baseline Noise-Cyclic
Unstable AC power source Determine cause of instability
and correct.
Unstable gas regulator Replace regulator.
Defective PMT Replace PMT.
Light leakage Use light leak test to find leaks
and repair as needed.
Low Response Gas leak Use gas leak test to find leaks
and repair as needed.
Change in gas flow Restore proper gas flow.
Incomplete sample
combustion Ensure furnace temperature
and gas flows are correct.
Faulty Membrane Dryer Replace Membrane Dryer.