Delta Embedded DVR User Manual download pdf (Page 83)



 82/85



DIAGRAM7‐3WDDETECTION

7.3. COMMONFAULTS

DVRstartupfailureorcontinuouslyreboot

Possiblereasons:

1. ThesystemhasbeendamagedfromabadDVRupdate.

2. ThereisaproblemwiththeDVRmainboarderror,pleasecontactsupplier.

3. ThereisanHDDerror.ReplacefaultyHDD.

Remotecontroldoesnotwork

Possiblereasons:

1. Checkforbatteriesinremotecontrol,especiallyPositiveandNegative;

2. Checkforbatteries’power;

3.  Checkifremotereceiverisobscured;  

3 CheckifDVRaddresscorrespondtotheremotecontroladdress. 

DVRcannotcontrolPTZ

Possiblereasons:

1. RS‐485cableconnectionerror,A,Bportsareinverselyconnected;

2. PTZdecoder,protocol,baudrate,addressareincorrect;

3. Parallelconnecta120ΩresistancetoresolvesignalreflexcausedbytoomanyPTZsontheline. 

4. TheRS‐485portonDVRisdefective

Blurredscreeninpreviewmode

Possiblereasons:

PleasemakesureyourcamerasmatchyourvideoformatselectedintheGeneralmenu.  E.g.camerais

NTSCstandardbuttheDVRisPALstandard,thepreviewwouldbeblurred.

Blurredscreeninplaybackmodeorfailuretoplaybackrecords

Possiblereasons:

1. Procedureerror,reboottheDVR

1 2 ... 78 79 80 81 82 83 84 85

No comments

Delta Embedded DVR User Manual Page 83