User Manual

12 • English Sub1/Sub2 Powered Bass Module • Owner's Guide
PRO.BOSE.COM
Care & Maintenance
Care & Maintenance
Cleaning Your Sub
Clean the product enclosure using only a soft, dry cloth. If necessary, carefully vacuum the grille of the Sub.
CAUTION: Do not use any solvents, chemicals, or cleaning solutions containing alcohol, ammonia, or
abrasives.
CAUTION: Do not use any sprays near the product or allow liquids to spill into any openings.
Troubleshooting
Problem What to do
No power • 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.
• If powered from an L1 Pro32 with a SubMatch cable, ensure the L1 Pro32 is
turned on, and not in AutoO/Low-power Standby mode.
No sound • Make sure your Sub is turned on.
• Make sure your source is plugged into the Line Input.
• Make sure the volume is turned up on your source.
• Make sure the Level Control is turned up on the Sub.
• Make sure the Sub isn't in AutoO/Low-power Standby mode.
Standby LED is flashing
red (thermal fault)
• Turn o the Sub and wait 30 minutes before turning it back on.
• Move the Sub to a cooler location.
• Move the Sub to a location that has more ventilation.
Standby LED is solid red
(system fault)
• Contact Bose customer service. Visit worldwide.Bose.com/contact.
With nothing plugged
into the Sub, a light hum
or buzz is heard
• Using an AC outlet tester, test the AC outlet the Sub is plugged into for
reversed or open (hot, neutral, and/or ground) contacts.
• If using an extension cord, plug the Sub directly into the outlet.
Audio source sounds
distorted
• Turn down volume on the source.
• Turn down Level Control.
• Try a dierent source.
Excessive hum when
daisy-chaining multiple
units
• Ensure the level on the daisy-chained unit(s) is not set too high.