Det-Tronics 000499-140 DVR, 4 Camera, 250GB (GE Security) - Manual (Page 103)

TruVision DVR 10 User Manual 99
Appendix C
Troubleshooting
Place the TVR 10 in well-ventilated space so that it operates within the allowed range
of temperature and humidity as in specification.
If the circuit board is wet, dust on circuit board can cause a short circuit. The circuit
board, plug and socket, housing fan and housing should be cleaned by brushing
regularly.
Failure Possible reasons
After plugging in and turning on the unit, the
POWER light on the front panel does not turn on,
and the fan does not work. Power cable is not functioning.
Power supply is not functioning.
After plugging in and turning on the unit, the
POWER light on the front panel turns green but
the fan does not work. Front panel cable is not functioning.
Fan is not functioning.
After plugging in and turning on the unit, the
POWER light on the front panel turns green and
the indicator lights on the panel turn on, but the
fan does not work. The ATX plug in main board is not plugged in.
TVR 10 continuously reboots after starting up
every 10 seconds. Upgraded using the wrong firmware
Main board failure
There are no images in the monitor connected
with VOUT after TVR 10 is started. The cable connected with the monitor is not
functioning.
Main board of TVR 10 failure.
Cannot find the hard disk in reboot process. Hard drive cable is not functioning.
The power cable of the hard drive is not connected.
Hard drive failure.
TVR 10 cannot control PTZ through RS-485/422
port. RS-485/422 cable is not connected properly or not
functioning.
PTZ parameters error.
RS-485 port failure.