Troubleshooting - Honeywell BW Ultra User Manual

Troubleshooting

Detector does not display
normal gas reading after
startup sequence
Detector does not respond to
button
Detector does not accurately
measure gas
Detector does not enter alarm
Detector intermittently enters
alarm without reason
Features and options are not
operating as expected
BW Ultra
Problem Probable Cause
Sensor not stabilized
Sensor requires calibration
Target gas is present
Battery is in critical low
battery state or is
completely depleted
Detector is performing
operations that do not
require user input
Sensor requires calibration
Detector is colder/hotter
than gas temperature
Sensor filter is blocked
Alarm setpoint(s) are set
incorrectly
Alarm setpoint(s) set to zero Reset the alarm setpoints.
Detector is in calibration
mode
Ambient gas levels are near
alarm setpoint or the sensor
is exposed to a puff of
hazardous gas
Alarm setpoints are set
incorrectly
Detector requires calibration Calibrate the detector.
Missing or faulty sensor
Changes in Safety Suite
Device Configurator (SSDC)
54
Solution
Used sensor: wait 60
seconds.
New sensor: wait 5 minutes.
Calibrate the detector.
Detector is operating
properly. Use caution in
suspect areas.
Replace the battery.
Button operation restores
automatically when the
operation ends.
Calibrate the detector.
Allow the detector to acquire
ambient temperature before
use.
Clean the sensor filter.
Reset the alarm setpoints.
Complete calibration.
Detector is operating
normally. Use caution in
suspect areas. Check MAX
gas exposure reading.
Reset the alarm setpoints.
Change the sensor.
Verify the setup in Safety
Suite Device Configurator
(SSDC)
User Manual