Bose FREESPACE E4 User Manual download pdf (Page 7)

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8.0 E4 System Troubleshooting

8.2.4 Input clipping

If clipping is occurring at the input of an amplifier channel, the

source LED will blink red.

If this fault occurs:

• Reduce the output gain of the source, or

•Using the Installer™ software, reduce the input gain for the

channel that is clipping.

8.2.5 Direct input is active

If the DIRECT INPUT LED is red:

• Check that the DIRECT INPUT/CONTROL contact closure is in

the closed position.

• Check the device to which this input is connected.

8.2.6 No STANDBY and SYSTEM indicators

AMP OUTPUTS

1234

SYSTEM

STATUS

AUDIO SOURCES

1234

DIRECT

INPUT

STANDBY

AMP OUTPUTS

1234

SYSTEM

STATUS

AUDIO SOURCES

1234

DIRECT

INPUT

STANDBY

STANDY & SYSTEM LEDs

are off - AC power is on

Is E4 unit

plugged into an

AC source?

Plug the E4 unit into an AC

receptacle.

Yes

Set E4 POWER switch to ON.

Press the STANDBY switch on the

E4 front panel.

Is the E4

POWER switch

set to ON?

Is STANDBY

indicator on?

Contact Bose

Customer Service.

Yes

Is SYSTEM STATUS

indicator red?

Is the unit properly

configured for the line

voltage?

Yes

• Connect your PC to the E4 unit

and read the Error Log.

• Check the results of the Power On

self test (POST).

• Use the POST troubleshooting

chart for course of action.

• Set E4 POWER switch to OFF.

• Verify that E4 unit is configured for

the correct AC line voltage.

• Verify that the fuse is good.

• Verify that the AC receptacle is

live.

• Set POWER switch to ON.

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Bose FREESPACE E4 User Manual Page 7

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