24
Troubleshooting
The power has been restored after a
• Has the power failure lasted a long time (more than 1 week)?
power failure but recording does not
Set the timer recording switch to EXT to ensure that the unit is
automatically resume.
set to the recording mode even after a prolonged power failure.
Recording cannot be stopped.
• First set the MENU/REC LOCK switch to OFF and then operate.
• Is REC LOCK on Menu Screen 1 at OFF?
1-week programmed timer recording
• Are the date and time on the regular displays correct?
cannot be conducted properly.
(See page 12)
One or more cameras do not record
• Turn the time adjustment control on the sequential switcher, and
when a multiple number of cameras are
adjust it to a setting which is longer than the video recording
used.
duration in the recording time mode.
• Connect a camera switching cable between the unit and
sequential switcher. (See page 21)
No auto repeat recording.
• Has the stop button been pressed during auto rewinding?
No timer recording.
• Are the present time and start/stop times for the timer recording
correct?
• Has INT or EXT lighted on the display?
No alarm recording.
• Have the alarm sensors and alarm input connectors been
connected properly?
• Has the alarm recording mode been selected on Menu Screen 3?
Trouble with playback
Noise sometimes appears on the
• Adjust the tracking buttons. (See page 22)
playback pictures.
Dirty playback picture.
• The video heads may be dirty or clogged or they may have
reached the end of their service life. Consult with your dealer.
“Snow” on playback picture.
• The video heads may be dirty or clogged. Consult with your
dealer.
While a multiple number of cameras are
• Has the camera switching signal cable been connected
being used, two scenes appear as the
properly?
playback picture when the cameras are
switched.
Recording starts when the unit’s power
• Has INT or EXT lighted on the display?
plug is connected to or disconnected
from the power outlet.
No playback because recording starts
• Has INT or EXT lighted on the display?
when the main power for the connected
equipment is set to ON.
