Bose FREESPACE E4 User Manual download pdf (Page 12)

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8.0 E4 System Troubleshooting

8.4.3 User interface keypads do not

operate correctly

• Check wiring of RJ-45 connectors.

• Check for breaks/shorts in cable.

•Using the Installer™ software, check the Error Log for a periph-

eral controller error.

8.4.4 Bad sound in a zone

User interface keypads

exhibit strange behavior

Is keypad connected

to the correct ZONE

on the E4 unit?

Connect the keypad to the correct

zone on the E4 unit.

No

Yes

Correct the keypad connector

wiring.

See troubleshooting for the

peripheral controller.

Is the keypad

connector wiring

correct?

Does the Installer™

Error Log list any periph-

eral controller

faults?

Contact Bose

Customer Service.

Yes

No

No

Yes

Are all

sources to be

controlled assigned to

the ZONE? (Std. and

AV keypad)

Is the

page source

assigned to the ZONE?

(Paging keypad

only)

Yes

No

Yes

No

Check source assignments

using Installer™ software.

Check source assignments

using Installer™ software.

Bad sound

Is the sound

unnatural?

Verify that the correct Speaker EQ

is selected in the Installer™ soft-

ware for that zone.

Verify that the speakers are wired in

phase. Check the rear panel mark-

ings.

No

Yes

Reduce the input gain using

Installer™ software until the

indicator is solid green.

Verify that the input source signal

is clean. If source is from a mixer,

decrease the mixer gain.

Is the AMP OUTPUT

indicator flashing?

Are input and

output indicators green

and sound is

distorted?

Verify source

hardware settings

Yes

No

No

Yes

Verify that the loudspeakers are

not being overdriven or are dam-

aged.

Verify that the total load imped-

ance presented to the E4 output

is within specified limits for the

selected mode of operation.

Is the input signal

clean at the E4 input?

No

Yes

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