27TroubleshootingBefore asking for repairs, check the symptoms with the following table.Contact your dealer if a problem cannot be solved even after checking and trying the solution in thetable or a problem is not described below.Symptom Cause/solution ReferencepagesPower is not turnedon.When using a PoE device for power supply• Are the PoE (IEEE802.3af compliant) device and the cam-era connected with an Ethernet cable?Check whether the connection is appropriately established.• Depending on the PoE device, the power supply willstop when the demanded power exceeds its totalpower limit for all PoE ports.Refer to the operating instructions of the PoE device inuse.InstallationGuideWhen using DC power supply• Is the AC adaptor in use compliant with the specifications?Check the specifications regarding AC adaptor.• Is the power cable plug inserted to the camera firmly?Check if it is attached correctly and firmly.The camera does notmove to the presetpositions accurately.• When the preset positions become inaccurate duringuse, it is possible to correct the positions by executingthe position refresh function.In addition, when “Position refresh” is set for the cre-ated schedule, the camera position will be correctedperiodically. In some situations, reconfigure the presetpositions.OperatingInstructions(included inthe CD-ROM)When the camera ispanning/tilting, thecamera stopspanning/tilting andmechanical noisecomes from thecamera.• The camera position may have become inaccurate.Carry out the refresh position function from the [Defaultreset] tab of the “Maintenance” page of the setupmenu.OperatingInstructions(included inthe CD-ROM)The camera startspanning unpredict-ably.• This may be caused by noise.Check the exogenous noise level around the camera. 11S6131 S6111• The protection circuit against high temperature mayfunction.When the digital flip (function to turn the screen upside-down when tilting exceeds a certain angle) continues fora given time in high temperature, the system releasesthe digital flip and operates panning and tilting automati-cally to return the screen to the original position.−