Atlas Sound XLTE owner manual In Case Of Difficulty

12 IN CASE OF DIFFICULTY

Should you have a problem with your Community loudspeaker, find the symptom and follow the associated “What To Do” instructions. Be aware that a particular symptom may have several possible causes. Please refer to appropriate sections in this manual if you need more detailed information.

SYMPTOMS -	PROBABLE CAUSE	WHAT TO DO
FULL-RANGE LOUDSPEAKERS
No sound.	Amplifier is not on or	Check that amplifier is turned on and that loudspeaker is properly
	loudspeaker is disconnected.	connected to the amplifier.
No sound.	Signal not reaching amplifier.	Check that all equipment in the system is turned on and that the audio
		signal is going through the equipment.
No sound using Neutrik connector	Neutrik connector not seated	Make sure Neutrik connector is fully seated by twisting it clockwise
		about 1/4 turn after plugging it. Then engage the locking ring.
No sound in PASSIVE mode.	Wrong Neutrik pins used.	Make sure you are using connector pins #1 + / -
No sound or very low volume.	No audio signal.	Check that all the audio equipment in the signal chain is powered on
		and that all volume controls are turned up at least somewhat.
Low volume level.	System electronic gain is too	Check to make sure that the audio signal to the amplifier is high
	low.	enough to drive it properly.	Check all volume/level controls and gain
		switches in the system including the amplifier input attenuator.
Low volume level.	Signal or speaker wire	Make sure the wiring inside all system connectors is not shorted. Even
	connection is shorted.	one wire strand shorting the +/- signal terminals either before or after
		the amplifier can cause this problem.
Lights flash on and off inside the	The crossover PowerSense	The lights are part of the PowerSense protection circuitry.			Flashing
loudspeaker and/or the PowerSense	protection circuits are working.	means there are excessive power peaks. This is a warning to reduce the
LED on the input panel is flashing.		power and is a normal action under these conditions.
During high output operation the	The crossover PowerSense	This usually means that the loudspeaker is being		overdriven for a
volume drops suddenly and then	protection circuits are working.	more extended period. The protection circuit is reducing the signal
comes back. (Sound cuts in and out.)		level to protect the drivers.	It resets itself when the signal		level is
		reduced. This a normal action under these conditions but must be
		corrected. Reduce the volume level to the loudspeaker.
During high output operation the	The crossover protection	This usually means that the loudspeaker was continually overdriven for
volume drops suddenly and does not	circuits have ‘given up’.	an extended period and the protection circuitry has ‘fused’ in the
come back.		protect mode. The crossover must be repaired.
Sound cuts in and out.	Bad connection.	Check all connections and cabling for shorts or loose connections.
		Even one wire strand shorting the +/- signal terminals either before or
		after the amplifier can cause this problem.
Distortion, low volume, or no volume	Cold/open solder joint on the	Using an ohmmeter, check the continuity of the crimp connectors, all
from any or all drivers.	crossover or faulty wiring	solder joints on the crossover and the wiring to		the drivers. Also
	connection.	visually inspect solder joints as cold joints may only malfunction with
		higher current than the ohmmeter supplies. Repair as needed.
Distortion from the loudspeaker at	Too little amplifier power.	If the power rating of the amplifier(s) being used is too low, it will clip
higher volume levels.		at higher volume levels before the controller limiting is active. Reduce
		the volume level or use a more powerful amplifier.
Distortion from the loudspeaker at any	Driver is malfunctioning.	At low, medium, and high levels use a sine wave oscillator to ‘sweep’
volume level		the loudspeaker or use wide range program. Listen to each driver to
		isolate the problem. Replace as needed.
Noises from the loudspeaker (buzzes	Hardware is loose.	Make sure the front grille is securely seated and fastened, that screw-in
or rattles).		mounting hardware is tight, and that any external mounting hardware is
		tightened or secured from vibrating.
Noises when playing loudly (buzzes or	External objects are vibrating.	Things in the room may be vibrating from the loudspeaker energy.
rattles).		Check carefully to determine if this is the case. Suspended ceilings,
		light fixtures, ductwork, conduit, and even wall paneling are all
		common architectural sources of this. Loose objects simply lying
		around near the loudspeaker can be a source of this also.
Noises from the loudspeaker (buzzes	Driver is malfunctioning.	At low, medium, and high levels use a sine wave oscillator to ‘sweep’
or rattles).		the loudspeaker or use wide range program. Listen to each driver to
		isolate the problem. Replace as needed.
Low or no volume for the low	Low frequency driver(s) or	Listen at low level to the low frequency driver(s).		If some sound is
frequencies.	crossover is malfunctioning.	heard from each and it is not distorted, it is probably a crossover
		problem. If distorted or no sound is heard from either or both drivers,
		either the drivers or crossover may not be working properly. Replace
		as needed.

PAGE 38 Community XLT / XLTE Series Owner’s Manual