Troubleshooting54TroubleshootingBefore calling the Service department, read the following information to determine the possible cause of a malfunction.Malfunction Cause SolutionNo power Mains cable not connected Connect the mains cable securely to thesocketPower switch set to OFF Turn the power switch to ONNo current in the power socket Use another device on the socket, wherenecessaryNo image Screen not set for reception Set the correct video input mode until animage from the recorder appearsVideo cable not connected properly Connect the video cable securelyConnected modem is switched off Switch on the monitorCamera images black andwhite and blurred, despitecolour camera being installedIf no cameras are connected when the re-corder is started, then the recorder isstarted automatically in NTSC mode. If onlyPAL colour cameras are connected, thenthese are displayed as black and white andblurredConnect the cameras before starting therecorder. The recorder automatically de-tects whether a PAL or NTSC signal ispresent and switches to the correct mode.You can set the mode (see page 37)No sound Audio cables not connected properly Connect the audio cables securelyDevices connected over the audio cablesare not switched onSwitch on the devices connected over theaudio cablesAudio connection cable is damaged Replace the cableHDD is not working Connection cables not connected properly Connect the cables securelyHDD defective or not system-compatible Replace with a recommended HDDUSB port not working Device not supported Connect a compatible USB medium(USB 2.0)USB hub is in use Connect the USB medium directlyNetwork access not possible Network cable connections are loose Connect the network cableNetwork settings are incorrect (DHCP, IPaddress etc.)Check the network configuration and cor-rect it, when necessary (see page 47)Remote control is not working Batteries inserted with the wrong polarity orare emptyReplace the batteries. To control the de-vice with the remote control, point it at theremote control sensor on the deviceRemote control too far away from the re-corderUse the remote controller within 7 metresfrom the deviceSignal blocked by obstruction between theremote control and recorderRemove the obstructionLighting too bright or fluorescent tubes inuse?Switch off strong fluorescent lighting in theimmediate vicinityRecording not possible No HDD or HDD is not initialised Install and initialise the HDDSudden deactivation of thedeviceTemperature inside the device is too high Clean the device and remove any obstruc-tions from the ventilation areaDevice cleaning and careNote• Your device requires no maintenance.• Protect the device from dust, dirt and moisture.