Harman-Kardon TU 970 owner manual Troubleshooting Guide, If the problem is Make sure that

Troubleshooting Guide

This unit is designed for trouble-free operation. Most problems users encounter are due to operating errors. 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...	Make sure that the...
No lights appear when System Power button is pressed	Unit is plugged into a live outlet.
	Make sure the outlet is active.
No sound is heard	Tune to an active station.
	Check for correct amplifier settings.
	Check the connections and wires.
Sound distorts, particularly in stereo mode.	Use a more directional antenna.
Intermittent or continuous buzzing or hissing.	Place the unit farther away from these appliances. Install noise filters on the appliances.
Display says 'No stations Available'	Check that antenna is connected.
	Ensure that DAB coverage exists in your area.
Display has gone blank or says 'service off air'	This may occur if a broadcaster changes the label of a service or removes a label whilst you
	are listening to it. Try to retune to this station, using the Autotune procedure.

12TROUBLESHOOTING GUIDE