KT-195
● KT-385 ● KT-200 ● KT-400 – USER MANUAL
57
11 Troubleshooting
Problems
Causes
What to do
The camera doesn’t
turn on
Insufficient battery po-
wer
Recharge the battery and try to use it again
Poor battery contact
Remove the battery, insert it correctly back into the
battery chamber
The external battery
charger plug is not in-
serted correctly
Pull out the plug and re-insert it
Deviation between the
battery consumption in-
dicator and actual ener-
gy consumption
discharged battery
Replace the battery with a fully charged one
the battery has exceed-
ed its expiration date
Insert new battery
IR image is blurry
Focus adjustment has
not been made correctly
Manual focus adjustment needs tweaking to make
the image sharp
steamed up or polluted
lens
Clean the lens with a specialized lens cleaning kit
Visible light image is
blurry
The surroundings are
too dark
Improve lighting
The front part of the de-
vice is steamed up or
polluted
Clean the front part with a specialized cleaning kit
The temperature meas-
urement is
not accurate.
Focus adjustment is not
correct
Manually adjust the focus to make the image clear
and then read the temperature
Temperature measure-
ment parameters are
not set properly
Change the parameter setting or restore the default
parameters
The auto calibration
procedure has not been
performed for a pro-
longed period of time
Perform the auto calibration procedure
Temperature measure-
ment starts immediately
upon start-up
To ensure the best accuracy of the temperature
measurement, we recommend to start the tempera-
ture measurement 5-10 minutes after start-up
Long time since the last
factory calibration
To ensure accurate temperature measurements, we
recommend to periodically send back the thermal
imager for calibration (once a year)
