ICI TDL 300 User Manual page 18

Handheld laser methane detector
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6. Troubleshooting
Symptom
Probable Cause(s)
Cannot power on
Improper battery
device
installation
Low battery
Reflection fault
Scanning beyond the
alarm displays
detector's range
Background surface
is absorbing laser
or causing a false
reading to occur
Dust on lens
System Fault
Laser wavelength
drift
Low Battery
Constant leak
Bad battery contact
warning sound
when scanning
Charger fault
34
Solution
Check to see if the
battery is properly
installed, if not,
remove battery and
install correctly
Check, recharge, or
change the battery
Move closer to
target
Change angle to
the target to obtain
a better reflection
surface
Clean lens
Reboot detector
Perform calibration
Contact ICI
Check, recharge, or
change the battery
Take out battery
and put it back in
Reboot charger
Contact ICI
Symptom
Probable Cause(s)
No alarm sounds
Laser wavelength
when gas detected
drift
Scanning too fast
Background
reflection too high
Charging
Bad contact of
indicator flashes
battery
continuously
Charger fault
• Should you have a problem not listed or the solution does not
work, contact ICI for further assistance.
35
Solution
Reboot detector
Perform wavelength
calibration
Change angle to
target
Take out battery
and put it back in
Reboot charger
Contact ICI

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