64
7.1 Common problems and solutions
Problems
Cannot be turned on
Suddenly
shut down
Photos are nor- mal
during the day, but
dark at night
Do not read cards
or save filesn
The camera crashed
while it was working
All keys are useless
Potential cause
Low battery or wrong battery model
Wrong battery installation
There's something in the battery
compartment
Incorrect specification or connection of
external power supply
Working temperature is too high or too low
Low battery
Low power or insufficient external power
current, the infrared lamp does notwork
normally
Power outage before file storage
The speed of memory card is too slow
The memory card is damaged or not up to
specification
The battery power is insufficient or the
external power supply does not meet the
requirements
The memory card is damaged or of poor
quality
A short circuit occurs when the camera is
connected to other equipment
A key is stuck
The poor quality of the mem- ory card
makes the camera unable to operate
normally
Solutions
Replace the correct model and full
charged battery
Refer to the instructions to install the
battery in correct way
Check the battery compartment for any
foreign matter and clean up
Using appropriate external power supply
and proper connection
Use the camera at the right temperature
Replace full charged batteries or use
external power supply
Replace full charged batteries or use
external power supply
Replace full charged batteries or use
external power supply
Replace a memory card with write speed of
CALSS4 or more
Replace the qualified memory card and
the camera format it
Replace with new batteries or an
external power supply that meets the
requirements
Replace a qualified memory card, use
the camera format the memory card,
restore the camera to the default setting,
and restart the camera
Disconnect, restart the camera, and
properly connect the camera to other
devices
Press your finger to check each key and
restart the camera
Remove the memory card, reinstall the
batteries and restart the camera