Owner's Manual

TROUBLESHOOTING TIPS
Problem Solution
Power LED not ON
With a Volt OHM Meter (VOM) check:
• +12 Volt power terminal (should read +12 to +16VDC
• Remote turn-on terminal (should read +12 to +16VDC)
• Ground Terminal
Power LED lights RED, no output
• Check RCA connections
• Test speaker outputs with known good speaker
• Substitute known good Source Unit
• Check for signal on the RCA cable with VOM in AC po-
sition
Power LED lights RED, but volume
reduces automatically.
• Advanced Protection Circuitry is engaging due to high
internal temperature of the amplifier. Amplifer requires
more air flow around the chassis. If this continues
choose a better ventilated mounting location.
• High operating temperature can be caused by incorrect
input sensitivity level. Reset the GAIN contol.
The RED LED is ON, no output and
1. Amp is VERY HOT
2. Amp shuts down ONLY when the
vehicle is running
3. Amp plays at very low volume
• Thermal protection is engaged. Check for proper im-
pedance at speaker terminals. Also check for adequate
air flow around the amplifier.
• Voltage protection engaged. Voltage to the amp is not
within the 10-16 VDC operating range. Have the bat-
tery/charging system inspected.
• Short circuit protection is engaged.Check for speaker
wires shorted to each other or the vehicle chassis.
Speakers operating below the minimum impedance
can cause this to occur.
Alternator noise (varies with RPM)
• Check for damaged RCA cable.
• Check routing of RCA cable
• Check Source Unit for good ground
• Check amp gain setting, turn down if set too high
Poor Bass Response
•Checkspeakerpolarity,reversetheconnectionofone
speaker only using the amplifier's PHASE switch.
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Any reproduction of this manual, or use other than its intentions is strictly prohibited without the express consent of PowerBass USA, Inc.
Copyright 2016 PowerBass USA, Inc.
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