User Manual for Commercial Series Net DVR

Appendix E Troubleshooting

 

Failure

 

Possible reasons

 

 

 

After plugging in power, turning on the power switch,

1)

Power cable is damaged.

 

 

 

“POWER” light in front Panel does not turn on, and fan

2)

Power supply is damaged.

 

 

 

does not work.

 

 

 

 

 

 

 

 

After plugging in power, turning on the power switch,

1)

Front

panel

cable

is

 

“POWER” light in front panel turn to green while fan does

 

damaged.

 

 

 

 

 

not work.

2)

Fan is broken.

 

 

 

 

 

After plugging in power, turning on switch, “POWER”

The ATX plug in main board is

 

light turn to green, the indicator lights in the panel turn on

not plugged in well.

 

 

 

 

at the same time, but fan does not work.

 

 

 

 

 

 

 

 

DVR continuously reboots after start up, and makes a

1)

Used

wrong

firmware

 

sound like “di” every 10 seconds.

 

upgrade

 

 

 

 

 

 

 

2)

Compression

board

has

 

 

 

problems.

 

 

 

 

 

 

3)

Main board has problems.

 

 

 

There are no images on the monitor connected with VOUT

1)

The cable connected with the

 

after DVR is started.

 

monitor is damaged.

 

 

 

 

2)

Real board of DVR has

 

 

 

problems.

 

 

 

 

 

 

3)

Main board of DVR has

 

 

 

problems.

 

 

 

 

 

Cannot find the hard disk in reboot process.

1)

Hard disk cable is damaged.

 

 

2)

The power cable of hard disk

 

 

 

is not connected.

 

 

 

 

 

3)

Hard disk has problems.

 

 

 

No reponse in HyperTerminal interface.

1)

Baud rate does not match.

 

 

 

 

2)

RS-232 cable is damaged.

 

 

 

 

3)

Serial port of PC is damaged.

 

 

4)

RS-232 port of DVR is

 

 

 

damaged.

 

 

 

 

 

DVR can not control PTZ through RS-485 port.

1)

RS-485

cable

is

not

 

 

 

connected

correctly

or

 

 

 

damaged.

 

 

 

 

 

 

2)

PTZ parameters error.

 

 

 

 

3)

RS-485 port of DVR is

 

 

 

damaged.

 

 

 

 

 

Client software can not view DVR live image.

1)

Network error.

 

 

 

 

 

2)

Wrong

connectinon settings

 

 

 

 

 

 

 

 

 

Page 117 Total 121

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Q-See QSC26416, QSF2648016, QSF2648008, QSD42208, QSC26408 user manual Appendix E Troubleshooting, Failure Possible reasons

QSC26408, QSC26416, QSF2648016, QSD42208, QSF2648008 specifications

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