Limiter/Protect LED Warning Indicators

The output channel (channels 1 and 2) Limiter/Protect LED lights red per indicated output channel as shown in the following diagnostic information.

LED State

Problem Description

Problem Solution

Blinks

Audio clipping is occurring at the

Reduce the power output to

 

rate of one blink per clip.

avoid overdriving the amplifier

 

 

and causing clipping.

Lights steady

The amplifier may be overheating.

Determine the reason for the

 

 

overheated state and allow the

 

 

amplifier to cool. The LED will not

 

 

be lit after the amplifier recovers

 

 

from the overheated state.

 

 

 

 

Output channel leads are shorted

Check speakers and speaker

 

 

wiring for shorts.

Over Temp Indicator LED

This indicator does not represent a hard failure of the unit. It is meant as a warning that the amplifier has exceeded the recommended operating temperature for optional product lifetime.

LED State

Problem Description

Problem Solution

Lights steady

Amplifier has exceeded the

Verify that the placement of the

 

recommended operating

 

amplifier allows for adequate

 

temperature. The LED turns off

 

ventilation and airflow.

 

after the amplifier cools down

Avoid placing equipment on top

 

sufficiently.

 

 

of the amplifier.

 

 

 

 

 

Verify that the operating

 

 

 

temperature is within the

 

 

 

specified range.

XTRA Series • Troubleshooting

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Extron electronic XPA2001-70V, XPA1002, XPA2001-100V manual Limiter/Protect LED Warning Indicators, Over Temp Indicator LED