Cerwin-Vega P1500x, P1800SX instruction manual Troubleshooting, Problem Cause Solution

CERWIN-VEGA! PROFESSIONAL

Troubleshooting

Problem	Cause						Solution
No Sound	Loudspeaker			is		not	Verify the loudspeaker is indeed connected to an active AC power source.
	connected		to		active		Various outlets may need to be switched ‘on’. Use a lamp as another way to be
	AC power						sure the AC power source is active.
	Loudspeaker				power		Verify that the power switch on the back of the loudspeaker is ‘ON’.
	switch is in the ‘OFF’
	position
	Input level is set to						Set the input level to a setting where sound can be heard.
	minimum setting
	Main volume is set to						Set the volume level to a setting where sound can be heard.
	minimum setting
	Audio	source			is	not	∙	Use the Signal indicator on the back of the loudspeaker to verify an audio
	active, volume				is	set		signal is indeed present.
	too	low,	or		poor		∙	Verify that the audio equipment is turned ‘ON’ and set to output an audio
	connection							signal at a volume level above minimum.
							∙	Verify the cable connection from the audio source output to the loudspeaker
								input is correct.
							∙	Audio mixers may have a MUTE or LOOP switch that may need to be
								disengaged.
							∙	Microphones that require phantom power must be used with an external
								power source.
No Power	Loudspeaker			is		not	Verify the loudspeaker is indeed connected to an active AC power source.
	connected		to		active		Various outlets may need to be switched ‘ON’. Use a lamp as another way to be
	AC power						sure the AC power source is active.
	Loudspeaker				power		Verify that the power switch on the back of the loudspeaker is ‘ON’.
	switch is in the ‘OFF’
	position
	AC	power			source		Verify if the AC power source is too low or too high. The loudspeaker will
	voltage is too low or						protect itself if the AC power source is 10% lower or 10% higher than the
	high						loudspeaker’s intended voltage setting.
	Loudspeaker			fuse		is	Disconnect all power connections and inspect and replace, if necessary, the
	blown						fuse located on the rear of the loudspeaker. See Specifications for fuse
							information.
Shutdown	Loudspeaker				self-		∙	Avoid placing the loudspeaker near a heat source or under direct sun light.
	protection						∙	Avoid using an audio source with clipped and/or distorted input signal.
							∙	Verify the limiter indicators are not always on and if so, lower the input and
								volume levels until the limiter indicator is ‘OFF’.

26