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SECTION 8 Troubleshooting of the Model IAQ10 This table lists the symptoms, possible causes, and recommended solutions for the Model IAQ10. Symptom Possible
Causes Corrective
Action(s)
No display Unit not
switched on
Switch on the
unit
Low or dead
batteries
Replace the
batteries
Dirty battery
contacts
Clean the
battery
contacts
Batteries
installed
incorrectly
Refer to
battery
illustration
inside battery
cover
BAT is
blinking
Dirty battery
contacts
Batteries are
low
Clean the
battery
contacts
Replace the
batteries
Cal err Error in field
calibration
Perform
calibration
again