15
6. Troubleshooting
Symptom
Possible Cause
Action
Intermittent
Alarm
Sensor may have
become
disconnected
Switch off supply,
check connections,
restart. Otherwise
replace the sensor
Frequent
false alarms
Contaminated
Sensor or other
gases present.
Sensor over 2
years old
Replace the sensor
Regular
beeping
(while not
initialising)
or Fault
light is lit
Low supply
voltage
Check boat power
supply
Alarm after
initialisation
or failure to
initialise
Sensor has
become
disconnected or
has reached end
of life
Check connections
or replace sensor