TROUBLESHOOTING
7-3
Inlet flow too low
Reasons:
Pump diaphragm damaged or
has debris.
Flow path leaks.
Solutions:
Check flow path for leaks;
sensor module O-ring, tube
connectors, Teflon tube
compression fitting.
Replace pump or diaphragm.
“Lamp” message during
operation
Reasons:
Lamp drive circuit.
Weak or defective PID lamp,
defective.
Solutions:
Turn the unit off and back on
Replace UV lamp
Full scale measurement in
humid environment
Reasons:
Dirty or wet sensor.
Solutions:
Clean and dry sensor and
lamp housing. Adjust sensor
fingers to ensure not touching
Teflon. Use water trap filter.
Reading abnormally
low
Reasons:
Incorrect calibration.
Low sensitivity to the specific
gas.
Weak or dirty lamp.
Air leakage.
Solutions:
Calibrate
the
monitor.
Replace sensor.
Clean or replace lamp.
Check air leakage.
Summary of Contents for MiniRAE 2000 PGM-7600
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