132EnglishTroubleshootingBefore you call for service, determine the symptoms and make a few simple checks as shown below.Symptoms CheckPicture SoundElectrical AppliancesCars / MotorcyclesFluorescent lightInterference Noisy SoundVolume(Check whether the mute function has been activated on the remotecontrol.)Normal Picture No SoundNot plugged into AC outletNot switched onPicture and Brightness/Volume setting(Check by pressing the or the (ON/OFF) button>.)No Picture No SoundIf a signal with a non-applicable colour system format, or frequency isinput, only the input terminal indication is displayed.No Picture Normal SoundColour controls set at minimum level (see page 45, 47)No Colour Normal SoundA display error such as “no picture”occurs, or remote control operation issuddenly disabled.This unit incorporates highly-advanced software. If you notice an abnormaloperation such as “Remote control cannot be operated” or “Display isdisturbed”, remove the power plug from the socket outlet, and inset it againafter 5 seconds or more to turn the power on. (see page 33)Power automatically turns offunexpectedly.Check the settings of [No signal power off], [HDMI1 power management],[HDMI2 power management], [DisplayPort power management], [DIGITALLINK power management], [DVI-D power management], [PC powermanagement] and [No activity power off]. Any of them may be set to [On(Enable)]. (see page 64)Power indicator is blinking in red. There is possibility of malfunction. Please contact an Authorized ServiceCentre.No remote control operations can beperformed.Check whether the batteries have discharged completely and, if they havenot, whether they were inserted properly.Check whether the remote control sensor is exposed to an outdoor light ora strong fluorescent light.Check whether any obstacle is present between the remote control sensorand the remote control. (see page 30)If the installation condition is normal, pull out the remote control sensorfrom the edge side of the main unit when using.Check whether the remote control designed specifically for use with theunit is being used. (The unit cannot be operated by any other remotecontrol.)Check whether the option other than [Off] is selected in [Controller userlevel]. (see page 82)Check whether [Controller ID function] is set to [On]. (see page 80)Check whether switch is set to . (When using ID remotecontroller) (see page 126)