19. TROUBLESHOOTING
This table lists all the problems that may arise when
operating the device. Carry out the recommended
checks and repairs in the order shown in the table.
If a defect should occur that is not listed in the table,
or if it is impossible to repair the defect yourself,
the device should be returned for repair.
Malfunction
Thermal imager
does not power
up.
Does not operate
from external
power
source.
Image is unclear,
with vertical lines
and uneven
background
The image is too
dark.
Colored lines
appear on
display or the
image has
disappeared.
Possible reason
Battery comple-
tely discharged
USB cable
damaged
External power
source dischar-
ged
Calibration
required
Low brightness
level set.
The device was
exposed to static
electricity during
operation.
Correction
Charge the
battery
Replace USB
cable
Charge external
power source
(if necessary).
Perform image
calibration
according to
Section 10
„Calibration" of
the Manual
Adjust display
brightness.
After exposure to
static electricity,
the device may
either reboot
automatically
or require turning
off and on again.