22 • English L1 Pro32 Portable Line Array • Owner's Guide
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Care & Maintenance
Care & Maintenance
Cleaning Your L1 Pro
• Before cleaning your L1 Pro32, disconnect the L1 Pro32 from AC power.
• Clean the product enclosure using only a soft, dry cloth. If necessary, carefully vacuum the grille of the
L1Pro.
• Gently wipe external surface of vent area (on the rear/bottom of the L1 Pro32) with cloth to remove debris
that may be lodged in vent openings. Take care not to push debris into the L1 Pro32.
• With the array removed from the power stand, gently remove debris from vent openings near array
output connector (at the base of the power stand). Take care not to push debris into the L1 Pro32.
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.
No sound • Make sure your L1 Pro is turned on.
• Make sure your instrument is plugged into the Channel Input.
• Make sure the volume is turned up on your source.
• Make sure the volume is turned up on the L1 Pro.
• Make sure the L1 Pro isn't in AutoO/Low-power Standby mode.
• Plug your instrument into a dierent amplifier to make sure the source is
working.
• Make sure the Channel Mute button is not engaged.
Standby LED is flashing
red (thermal fault)
• Turn o the L1 Pro and wait 30 minutes before turning it back on.
• Move the L1 Pro to a cooler location.
• Move the L1 Pro 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 L1 Pro, a light
hum or buzz is heard
• Using an AC outlet tester, test the AC outlet the L1 Pro is plugged into for
reversed or open (hot, neutral, and/or ground) contacts.
• If using an extension cord, plug the L1 Pro directly into the outlet.
Instrument or audio
source sounds distorted
• Turn down volume on the source.
• Turn down channel volume.
• Try a dierent source or instrument.