Delta Embedded DVR Manuale Utente Scaricare il pdf (Pagina 83)

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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

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Delta Embedded DVR Manuale Utente Pagina 83