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Troubleshooting24
When a malfunction occurs, it may not be serious and can be corrected easily. The following de-
scribes the most common problems and solutions. Please refer to the following before calling
Lorex technical support:
Error Possible Causes Solutions
• System is not receiving power,
or is not powering up.
• Cable from power adapter is
loose or is unplugged.
• Confirm that all cables are con-
nected correctly.
• Confirm that the power adapter
is securely connected to the
back of the unit.
• Cables are connected, but sys-
tem is not receiving sufficient
power.
• Confirm that the system is
powered on (LED indicators on
the front should be ON).
• If the unit is connected through
a power bar or surge protector,
try bypassing the bar and con-
necting the power directly to
the wall outlet.
• Confirm that there is power at
the outlet:
◦ Connect the power cable to
another outlet.
◦ Test the outlet with another
device (such as a lamp or
phone charger).
• Hard drive is not detected by
the system.
• Hard drive cables are loose or
not properly connected.
• Remove the housing and check
that hard drive cables are
firmly connected.
• There is no hard drive in the
system.
• Open the housing and install
compatible hard drive. Make
sure to format the drive after
installing. For details, see 22
Replacing the Hard Drive,
page 99.
• Hard drive is full (0%) and the
unit is no longer recording.
• Overwrite is not enabled. • See 9.5 Configuring Hard
Drive Overwrite, page 24 for
full instructions on enabling
hard drive overwrite.
• There is no picture on monitor/
TV after connecting it to the
system.
• Monitor/TV not detected by
system.
• Power off the monitor/TV and
system. Power on the monitor/
TV, and then power on the
system.
• Input channel for system not
selected on monitor/TV.
• On the monitor/TV, select the
input channel the system is
connected to.
• Video cable is loose or has be-
come disconnected.
• Check the video cable connec-
tion to the system and monitor/
TV.
Camera is not compatible with the
recorder.
Visit lorex.com/compatibility and
navigate to N842 Series for a list
of all compatible cameras.
#LX400113; r. 7.0/56940/56940; en-US 108
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