Honeywell BW Ultra User Manual page 55

Problem
Battery has been charging for
6 hours. Charging indicator
on LCD shows the battery is
still charging
Battery indicator does not
display when charging
Battery does not charge
Sensor fails to zero during
startup self-test
The detector does not
activate.
Detector automatically
deactivates.
BW Ultra
Probable Cause
Battery is trickle charging
Battery is depleted below
normal levels
Depleted battery.
Damaged detector.
Automatic deactivation due
to critical low battery.
Lockout on Self-Test Error is
enabled and a sensor(s) has
failed the startup self-test.
Sensor(s) require
calibration.
55
Solution
Verify the charger is properly
connected to the AC outlet.
Replace the battery.
Replace the battery.
Change the sensor.
Replace the battery.
Contact Honeywell.
Replace the battery.
Change the sensor.
Calibrate the detector.
User Manual