Altec Lansing 221 manual Troubleshooting Tips Symptom Possible Problem Solution

TROUBLESHOOTING TIPS

SYMPTOM	POSSIBLE PROBLEM	SOLUTION
No LEDs are lit.	Power is not turned on.	Press Power button on right satellite.
	AC cord isn’t connected to the wall outlet.	Check to see if the power on LED is illuminated on the right satellite. If not,
		connect AC power.
	Surge suppressor (if used) is not powered on.	If the subwoofer’s AC power cord is plugged into a surge protector, make sure
		the surge protector is switched on.
	Wall outlet not functioning.	Plug another device into the wall outlet (same jack) to confirm the outlet is working.
No sound from	Power isn’t turned on.	Verify the subwoofer’s AC power cord is plugged into the wall outlet.
one or more
speakers.		Verify the Power button has been pressed by confirming the LED is illuminated.
	Volume is set too low.	Turn the volume knob clockwise to raise the volume.
		Check volume level on the computer sound card or alternate audio source
		device, and set at mid-level.
	Audio cable isn’t connected to audio source.	Connect audio cable to the audio source. Make sure the signal cable is
		inserted firmly into the correct jack.
	Audio cable is connected to wrong output on audio	Make sure the lime green 3.5 mm stereo cable is connected and fully inserted
	source.	into the “line-out” or “audio-out” jack on your sound card or other audio source.
	Problem with audio source.	Test the speakers on another audio source by removing the lime green 3.5mm
		stereo cable from the audio source and connecting it to the “line-out” or
		headphone jack of a different audio source (e.g., Walkman, Discman or FM radio).
Crackling sound	Bad connection.	Check all cables. Make sure they are connected to “line-out” or “audio-out”
from speakers.		jack on your sound card or other audio source—and NOT “speaker-out.”
	Volume control in Windows is set too high.	Check the Windows volume control and decrease if necessary.
	A problem with your audio source.	Unplug the lime green 3.5 mm stereo cable from the audio source. Then plug
		it into the headphone jack of an alternate source (e.g., portable CD, cassette
		player or FM radio).
Sound is	Volume level set too high.	Decrease volume level.
distorted.
	Windows volume control is set too high.	Adjust the Windows volume and balance controls to the center as a starting
		point, then use the speaker controller to adjust as necessary.
	Sound source is distorted.	.WAV and .MID files are often of poor quality; therefore distortion and noise
		are easily noticed with high-powered speakers. Try a different audio source
		such as a music CD.
Radio	Too close to a radio tower.	Move your speakers to see if the interference goes away. If not, you may be
interference.		able to purchase a shielded stereo cable from your local electronics store.
Low hum from	The AC in your house is at 60 cycles per second, which	Some low hum may be detected when your speaker system is powered on
subwoofer.	is within the audio frequency of your subwoofer.	without an audio source playing, or when the volume is set at an extremely
		low level.
Loud hum from	Bad connection.	Unplug the power cord from the surge protector (if used), and plug directly
subwoofer.		into an AC wall outlet.
		Move your cables. Check to ensure they are making a clear connection.
	Volume on your audio source set too high.	Lower the volume or bass level on your computer, portable audio device, etc.
Not enough bass	Check the volume on audio source.	Increase the volume on the audio source.
from subwoofer.
	Bad connection.	Check to make sure all cables are connected properly and are making a
		clear connection.
Distorted	Subwoofer too close to monitor.	Because the subwoofer is not magnetically shielded, it can cause distortion if
monitor.		it’s too close to your monitor. Move the subwoofer so it’s at least 2 feet from
		your monitor.

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