Operation Manual

Nothing appears on the screen. Are the power cord and line connection between the
camera and monitor made properly?
The image on the screen is dim. Is the lens dirty? If so, clean the lens with a soft,
clean cloth.
The contrast on the screen is too
weak.
Adjust the contrast feature of the monitor. Is the
camera exposed to strong light? If so, change the
camera position.
The image on the screen flickers. Does the camera face directly into the sun or
fluorescent lighting? If so, reposition camera.
The image on the screen is distorted. Is the power frequency set properly in sync? If the
power frequency is not set correctly, the line lock
synchronization mode cannot be used. Set the
synchronization mode to INT. (NTSC Model power
frequency in LL mode: 60 Hz.)
No video. – Check that the mains power to the power supply is
on.
– For IP-enabled cameras: Check to see if you have a
web page.
If you do, then try cycling the camera’s power off and
on.
If you do not, then you may have the wrong IP
address. Use Configuration Manager to identify the
correct IP address.
If O.K., then:
– Check that there is 24 V output from the
transformer.
If O.K., then:
– Check the integrity of all wires and mating
connectors to the camera.
Picture is dark.
– Check that the Gain Control is set to High.
If O.K., then:
– Check that the Auto Iris Level is set to the
appropriate level.
If O.K., then:
– Check that the camera lens cover is removed.
If O.K., then:
– Check that the maximum Ethernet cable distance
has not been exceeded.
If O.K., then:
– Restore all camera settings.
Background is too bright to see
subject.
Turn on backlight compensation.
Additional troubleshooting for MIC612 cameras.
MIC612 Thermal Camera
Maintenance and Troubleshooting | en 83
Bosch Security Systems Operation Manual 2016.03 | 2.2 | F.01U.249.416