Troubleshooting

PROBLEM

CONDITION

CAUSE

 

 

 

 

Rear Power Status LED is off.

• Amplifier not plugged in

 

• AC outlet dead

UNIT APPEARS

 

 

 

 

• Power Switch off

DEAD

 

(NO FRONT

Rear Power Status LED

• Breaker (Power Switch) tripped

- Turn off, then turn back on

STATUS LED)

is amber.

 

Power Sequencing Switch set wrong

 

 

 

 

- Check Sequential Turn-On section for proper configuration

 

 

 

 

Master amplifier ON (Rear

 

 

Power Status is green),

• No AC power to amplifier

 

slave amplifiers in chain not

 

powering ON (Rear Power

 

SEQUENCING

Status is off).

 

NOT

 

 

 

 

FUNCTIONING

Master amplifier ON (Rear

• Power Switch is off on slave amp

CORRECTLY

Power Status is green),

• Breaker (Power Switch) tripped

 

 

slave amplifiers in chain not

- Turn off, then turn back on

 

powering ON (Rear Power

Rear Power Sequencing Switch is not ON

 

Status is amber).

• Error in Sequencing wiring between amplifiers

 

 

 

 

Status LED is green.

• Level Controls turned down

 

Signal LED is off.

• No signal from source

NO SOUND

 

 

Status LED is green.

• Poor/broken speaker wiring

 

 

Signal LED is green.

 

• Defective speakers

 

Limit LED is off.

 

 

 

 

 

DISTORTED

Status LED is green.

• Input signal level too high

Signal LED is green.

• Poor speaker connections

SOUND

Limit LED is off.

Lo-Cut Switch set to Flat

 

 

 

 

 

 

• DC level at signal input

INTERMITTENT

Status LED is red/green cycling.

• Load impedance too low

OPERATION

• Amplifier speaker output is short-circuited

 

 

 

• Amplifier too hot (check for proper ventilation clearances)

 

 

 

 

 

• Poor electrical connections at input

 

 

• Input cable routed near AC cables, power transformer, or

 

Status LED is green.

other EMI radiating devices

NOISE/HUM

• Electrically noisy devices operating on the same AC circuit

Signal LED is green.

• Poor equipment grounding

 

 

 

- Ensure that all AC safety grounds are connected

 

 

- Make sure that all components in audio chain are tied to the

 

 

same ground

 

 

 

10

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Bogen X450, X600, X300 manual Troubleshooting, Check Sequential Turn-On section for proper configuration

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