Bose FREESPACE 4400 - Manual (Page 62)

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8.0 FreeSpace ® 4400 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 FreeSpace 4400 Installer™ software, check the Error
Log for a peripheral 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
FreeSpace 4400
unit?
Connect the keypad to the
correct zone on the FreeSpace
4400 system.
No
Yes
Correct the keypad connector
wiring.
See troubleshooting for the
peripheral controller.
Is the keypad
connector wiring
correct?
Does the
FreeSpace 4400
Installer™ Error Log list
any peripheral
controller
faults?
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?
(Page user interface
only)
Yes
No
Yes
No
Check source assignments us-
ing FreeSpace 4400 Installer™
software.
Check source assignments us-
ing FreeSpace 4400 Installer™
software.
Contact your local
Bose representative or
visit pro.Bose.com
Bad sound
Is the sound
unnatural?
Verify that the correct Speaker EQ
is selected in the FreeSpace 4400
Installer™ software for that zone.
Verify that the loudspeakers are
wired in phase. Check the rear pan-
el markings.
No
Yes
Reduce the input gain using
FreeSpace 4400 Installer™ soft-
ware 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 FreeSpace
4400 output is within specified
limits for the selected mode of
operation.
Is the input signal
clean at the FreeSpace
4400 input?
No
Yes