Harman Kardon HK3270 Owners Manual - Page 19

Troubleshooting Guide 20 This unit is designed for trouble-free operation. Most problems users encounter are due to operating errors. So, if you have a problem, first check this list for a possible solution. If the problem persists, consult your authorized Harman Kardon Service Center. If the problem is... No lights illuminate when POWER button is pressed Make sure that the... Unit is plugged into a live outlet Main power switch is pressed in No sound is heard Unit has not been muted Correct input function selector button has been pressed Volume is turned up No output from one or more channels Cables are not defective: Check/replace speaker cables Tuner sound has a large amount of interference, or The "Stereo" display is not illuminated, or Tuner sound distorts and/or volume level is too low Tuner is intermittent or continuously buzzing or hissing The antenna is properly connected The antenna is properly located The antenna is set in the proper direction The antenna is adequate to receive the desired station The unit is away from fluorescent lights, TVs, motors and other electrical appliances