CERWIN-VEGA! PROFESSIONAL
Troubleshooting
Problem | Cause |
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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 |
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| 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’ |
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| position |
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| Input level is set to | Set the input level to a setting where sound can be heard. | ||||||
| minimum setting |
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| Main volume is set to | Set the volume level to a setting where sound can be heard. | ||||||
| minimum setting |
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| 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 |
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| signal at a volume level above minimum. | |
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| ∙ | Verify the cable connection from the audio source output to the loudspeaker |
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| input is correct. |
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| ∙ | Audio mixers may have a MUTE or LOOP switch that may need to be |
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| disengaged. |
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| ∙ | Microphones that require phantom power must be used with an external |
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| power source. |
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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 |
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| 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’ |
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| position |
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| 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 |
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| loudspeaker’s intended voltage setting. | |
| Loudspeaker | fuse | is | Disconnect all power connections and inspect and replace, if necessary, the | ||||
| blown |
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| fuse located on the rear of the loudspeaker. See Specifications for fuse | ||
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| information. | |
Shutdown | Loudspeaker |
| self- | ∙ | Avoid placing the loudspeaker near a heat source or under direct sun light. | |||
| protection |
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| ∙ | Avoid using an audio source with clipped and/or distorted input signal. | |
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| ∙ | Verify the limiter indicators are not always on and if so, lower the input and |
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| volume levels until the limiter indicator is ‘OFF’. |
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