Troubleshooting
Problem
System is plugged in,
power switch is on, but
power LED is off
Power LED is on (green),
but no sound
Power LED is red while the
PS1 power stand is on
House circuit breaker
keeps tripping
With nothing plugged into
the audio input or output
connectors on the rear
panel of the PS1 power
stand, a slight hum or buzz
is heard from the L1 or B1
B1 bass module is plugged
in, but no bass audio is
heard
B1 bass module sounds
out of balance with the
system
22
If you experience problems while using this product, try the following solutions. If you still
can't solve the problem, please call the Bose
Team direct at 877-335-2673 to arrange for service.
Recommended troubleshooting tools:
• Portable voltmeter
• Cable tester
• AC outlet tester
• XLR and ¼-inch phone plug cables
What to do
• Make sure you have power at the AC outlet. Try operating a lamp or other equipment
from the same AC outlet or test the outlet using an AC outlet tester.
• Make sure the PS1 power stand's power cord plug is fully inserted into the AC outlet.
• Check the line fuse on the PS1 power stand.
• Make sure volume control is turned up on your instrument.
• Make sure the applicable level control is turned up (Trim, or Channel 3/4 Level on the
PS1 power stand; CH 1/2 LEVEL and MASTER level on the R1 remote control).
• Make sure your instrument is plugged into the Channel 1/2 Input or Channel 3/4 Input
jack.
• Connect your instrument to the PS1 power stand using a different cable.
• Plug your instrument into a different amplifier to make sure the instrument is working.
• Please call Bose Live Music Customer Support at (877) 335-2673 for assistance.
• If you have more than one PS1 power stand plugged into the same AC circuit, stagger
the turn-on times. Each PS1 power stand has an inrush current of about 32 amps when
turned on.
• If you have more than three PS1 power stands plugged into a single 15 amp circuit,
move some systems to another AC circuit. Each PS1 power stand can draw 5 amps or
more when playing at high volumes for long periods of time.
• Using an AC outlet tester, test the AC outlet that the PS1 power stand is plugged into
for reversed or open (hot, neutral, and/or ground) contacts.
• If using an extension cord, make sure that the cord is also tested as above.
• Make sure you are using the (blue) B1 bass module 4-wire cable included with the B1
bass module.
• Make sure that the B1 bass module cable is plugged into the B1 Bass Module (Amp 3
OUT) jack on the PS1 power stand.
• Try a different 4-wire cable.
• Check that the B1 bass module cable connectors are fully engaged in the jacks.
• If available, try a different B1 bass module.
• Make sure you are using the (blue) B1 bass module 4-wire cable included with the B1
bass module package.
• Make sure that the B1 bass module grille is facing forward toward the musicians and
audience.
®
Live Music Product and Technical Support
• B1 bass module 4-wire cable (blue)
• Spare T15AH fuses
• Spare AC power cord
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