Problem Cause Solution
beeps.
BLE icon and IntelliFlash
light for 5 seconds
BLE fail Replace PCBA
Sensor bay and IntelliFlash
light for 5 seconds
Sensors fail Replace the sensors
Bump icon lights for 30
seconds.
Bump overdue and must
carry out bump testing
before use.
Hold the button for 3 seconds
to start the bump testing or
detector will auto power off
after 30 secs.
Detector alarms after start-
up sequence
Sensor not stabilized
SPE O2 sensor: Wait for at
least 10 min before power on.
Sensors require calibration
NDIR-CH4 sensor must carry
out calibration 5 minutes after
warmed up for power on
Detector does not respond
when button is pressed
The battery state is critically
low, or the battery is
depleted.
Charge the rechargeable
battery pack
Apparatus is performing
operations that do not
require user input.
Button operation restores
automatically when the
operation ends.
Apparatus Doesn’t
accurately measure gas.
Sensor(s) require
calibration.
Carry out calibration.
Apparatus is colder/hotter
than gas temperature.
Allow the apparatus to attain
ambient temperature before
use.
The sensor filter is blocked. Replace sensor filter
The detector does not
alarm.
Alarm setpoints set
incorrectly.
Define the alarm setpoint in
Device Configurator.
Alarm setpoints set to zero.
Define the alarm setpoint in
Device Configurator.
Apparatus is in calibration
mode.
Complete the calibration
procedure.
Apparatus is in DC mode.
Stop data communication via
a mobile phone.
Apparatus is in IR
communication.
Stop data communication via
IR Link.
BW Icon 35 User Manual
www.CanarySense.com
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1.888.610.7664
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