8.0 E4 System Troubleshooting
8.4.3User 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
Bad sound
User interface keypads exhibit strange behavior
Is the sound | Yes | |
|
| |
unnatural? |
|
|
|
| |
No |
|
|
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.
Is keypad connected | No | ||
|
| ||
to the correct ZONE |
|
| |
on the E4 unit? |
|
| |
| Yes |
|
|
|
|
| |
|
|
|
|
Is the keypad | No | |
connector wiring |
|
|
|
| |
correct? |
|
|
Yes
Are all
sources to be No controlled assigned to
the ZONE? (Std. and
AV keypad)
Yes
Connect the keypad to the correct zone on the E4 unit.
Correct the keypad connector wiring.
Check source assignments using Installer™ software.
Is the AMP OUTPUT | Yes | ||
|
| ||
indicator flashing? |
|
| |
| No |
|
|
|
|
| |
|
|
|
|
Are input and | Yes | ||
output indicators green |
|
| |
|
| ||
and sound is |
|
| |
distorted? |
|
| |
| No |
|
|
|
|
| |
|
|
|
|
Is the input signal | 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.
Verify that the loudspeakers are not being overdriven or are dam- aged.
Is the
page source No assigned to the ZONE?
(Paging keypad
only)
Check source assignments using Installer™ software.
clean at the E4 input? |
No |
Verify that the total load imped- ance presented to the E4 output is within specified limits for the selected mode of operation.
| Yes |
|
|
|
|
| |
Does the Installer™ | Yes | ||
Error Log list any periph- |
|
| |
|
| ||
eral controller |
|
| |
faults? |
|
| |
| No |
|
|
|
|
| |
|
|
|
|
Contact Bose |
|
| |
Customer Service. |
|
| |
See troubleshooting for the peripheral controller.
Verify source
hardware settings
