SYMPTOM CAUSE SOLUTIONUnit does not function when Main • No AC Power • Make certain AC power cord is plugged intoPower Switch is pushed. a live outlet.• Check to see whether outlet is switch-controlled.Display lights, but there is no sound • Intermittent input connections • Make certain that all input and speaker connectionsor picture. are secure.• Mute is on • Press Mute button.• Volume control is down • Turn up volume control.Unit turns on, but front panel • Display brightness is turned off • Follow the instructions in the Display Brightness sectiondisplay does not light up. on page 30 so that the display is set to VFD FULL.No sound from any speaker; • Amplifier is in protection mode • Check speaker wire connections for shorts at receiver andlight around power switch is red. due to possible short speaker ends.• Amplifier is in protection mode • Contact your local Harman Kardon service center.due to internal problemsNo sound from surround or • Incorrect surround mode • Select a mode other than Stereo.center speakers. • Input is monaural • There is no surround information from mono sources.• Incorrect configuration • Check speaker configuration. (See pages 19–21.)Receiver does not play correct soundtrack • DVD disc or player menus set incorrectly • Check the setup menu in your DVD player or the “Audio” menu in thefrom DTS or Dolby Digital DVDs. disc being played to make certain that the player is set for thedesired output signal.Unit does not respond to • Weak batteries in remote • Change remote batteries.remote commands. • Wrong device selected • Press the AVR selector.• Remote sensor is obscured • Make certain front panel sensor is visible to remote,or connect remote sensor.Intermittent buzzing in tuner. • Local interference • Move unit or antenna away from computers, fluorescentlights, motors or other electrical appliances.Speaker Channel Input indicators • Digital audio feed paused • Resume play for DVD.flash and digital audio stops. • Check that Digital Input is selected.Processor ResetIn the rare case in which the unit’s operation or the dis-plays seem abnormal, the cause may involve the erraticoperation of the system’s memory or microprocessor.To correct this problem, first unplug the unit from theAC wall outlet and wait at least three minutes. After thepause, reconnect the AC power cord and check theunit’s operation. If the system still malfunctions, a sys-tem reset may clear the problem.To totally reset the DPR 1001’s processor and clearall setting and configuration data, including all tunerpresets, output level settings, delay times, surroundmode choices, speaker configuration and crossoverdata, follow these steps:1. Turn the unit completely off by pressing the MainPower Switch ( so that it is in the OFF position.2. Press and hold the Tuning Mode Selector 7and the Tuning ¤ Button 8, and at the sametime press the Main Power Switch ( in so thatit is in the ON position.3. When the Upper Display Line F readsRESET, release the Tuning Mode Selector7 and Tuning ¤ Button 8.4. After a few seconds the unit will go into a displaytest mode that will illuminate all segments of theMain Information Display ^.5. Press the Standby/On Button 2 to return theDPR to normal operation.When the reset is complete you may return to normaloperation, but remember that all system configurationsettings and tuner presets will have to be reentered.NOTE: Resetting the processor will erase any configu-ration settings you have made for speakers, outputlevels, surround modes and digital input assignments,as well as the tuner presets. After a reset, the unit willbe returned to the factory presets, and all settings forthese items must be reentered.If the system is still operating incorrectly, there mayhave been an electronic discharge or severe AC lineinterference that has corrupted the memory ormicroprocessor.If these steps do not solve the problem, consult anauthorized Harman Kardon service center.DPR1001 harman/kardonBASIC TROUBLESHOOTING/PROCESSOR RESET