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CHAPTER
22
Problem
Cannot turn on power
after charging the battery
Lost password
Reading abnormally high
Reading abnormally low
Buzzer inoperative
Inlet flow too low
Handheld PID Monitors
TROUBLESHOOTING
Reasons
Solutions
Solutions
Reasons
Solutions
Reasons
Solutions
Reasons
Solutions
Reasons
Solutions
Possible Reasons & Solutions
Discharged battery.
Defective battery.
Charge or replace battery.
Call Technical Support toll-free at +1 888-749-
8878
Dirty filter.
Dirty sensor module.
Excessive moisture and water condensation.
Incorrect calibration.
Replace filter.
Blow-dry the sensor module.
Calibrate the unit.
Dirty filter.
Dirty sensor module.
Weak or dirty lamp.
Incorrect calibration.
Replace filter.
Remove Calibration Adapter.
Calibrate the unit.
Check for air leakage.
Bad buzzer.
Check that buzzer is not turned off.
Call authorized service center.
Pump diaphragm damaged or has debris.
Flow path leaks.
Check flow path for leaks; sensor module O-ring,
tube connectors, Teflon tube compression fitting.
Call Technical Support toll-free at +1 888-749-
8878
124
User Manual
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