7 Service Mode7.1. (DVD) Self-Diagnosis and Special Mode Setting7.1.1. (DVD) Self-Diagnosis FunctionsSelf-Diagnosis Function provides information for errors to service personnel by “Self-Diagnosis Display” when any error hasoccurred.U**, H** and F** are stored in memory and held.You can check latest error code by transmitting [0] [1] of Remote Controller in Service Mode.Automatic Display on FL will be cancelled when the power is turned off or AC input is turned off during self-diagnosis display is ON.Error Code Diagnosis contents Description Monitor Display Automatic FL displayU30 Remote control code error Display appears when main unit and remotecontroller codes are not matched.No display“*” is remote controller code of themain unit.Display for 5 seconds.U59 Abnormal inner temperaturedetectedDisplay appears when the drive has abnormaltemperature.The power is turned off forcibly.For 30 minutes after this, all key entries aredisabled. (Fan motor operates at the highestspeed for the first 5 minutes. For theremaining 25 minutes, fan motor is alsostopped.) The event is saved in memory aswell.No display“U59 is displayed for 30 minutes.U61 The unit is carrying out itsrecovery process.No displayU72 HDMI connection error(communication error)This error is displayed when there are anycommunication problems with the unit and theequipments (TV, amplifier etc.) connected tothe unit by HDMI. (or when there is a problemwith the HDMI cable) U72 display disappears whenerror has been solved by PowerOFF/ON of connecting equipmentor by inserting/removing of HDMIcable.U73 HDMI connection error(authentication error)When authentication error occurs while theequipments (TV, amplifier etc.) are connectedby HDMI. (or when there is a problem with theHDMI cable)No displayU73 display disappears whenerror has been solved by PowerOFF/ON of connecting equipmentor by inserting/removing of HDMIcable.U76 Injustice disc error HDMI cannot output because you areconnected to a model that does not supportcopyright protection.No displayU88 The unit is carrying out itsrecovery process.No displayU99 Hang-up Displayed when communication error hasoccurred between Main microprocessor andTimer microprocessor.No displayDisplayed is left until the[POWER] key is pressed.F00 No error information Initial setting for error code in memory(Error code Initialization is possible with errorcode initialization and main unit initialization.)No display No display16DMR-EZ47VP / DMR-EZ475VP