11
Trouble
Possible Cause
Possible Solution
No Sound From Any
Channel
Unit not plugged into AC power
Check power, plug in to a live unswitched
outlet.
Audio cable Not properly connected
Check cable connections. Replace cable.
Check if connected to proper inputs.
Matrix Switcher or source
Program amp/matrix switcher to send signal to
your input. Select audio format on DVD.
Master Power Switch on rear of amp
Place Master Power switch to ON.
Front Power Switch
Toggle the Power Switch until the light glows
BLUE. Is 12 Volt Trigger applied?
No Audio from One
or More Channels
Source cable may be faulty
Check cable and output from source.
Input Selection switch or Bridge/Normal
switch may be in wrong position.
Check Bridge/Normal switch position. Refer to
manual for proper settings.
Speaker Wire or Speaker
Check the speaker connections. Make sure
there are no whiskers that could cause a short.
Any short will cause only that channel to shut
down. The other channel will continue to
function.
No Audio from
One Channel
Check Front LED Above that Zone
If RED you may have a short or bad speaker.
Measure ohms of wire with speaker
disconnected from amp. Should read about
6.5ohms for a 8 ohm speaker. Correct problem.
Replace wire and/speaker. If using a manual
volume control check the connections and plug
locations. Switch Speaker Plug with a zone that
is working.
Audio cable not properly connected
Check cable connections. Replace cable.
Check if connected to proper inputs
Bridge/Normal Switch may be in wrong
position
Verify Normal/Line-In Switch is in proper
position. Check Bridge/Normal Switch position.
Refer to manual for proper settings.
Hum or Buzz
RCA cable not completely seated.
Push in RCA cables completely. Replace cable.
Bad cable.
Replace cable.
Improper or No ground
Check with a plug tester; Reverse cord; try a 2
prong adapter.
Prewired cable ran too close to AC wires
Insert isolation transformer in-line with RCA
jacks.
Hum When
Receiver/Source Off
Level set too high
Turn rear Level down.
Cable TV ground not the same as earth
ground
Insert in-line ground isolator.
Ground Loop
Common all grounds, isolate AC ground.
No Audio from
Speakers
Improper Connection From Amp to Speakers
Check speaker wiring at amp to speakers and
from speakers to amp.
Bridged Mono Switch in Wrong Position
Change Switch Position. Turn Master Power
Switch Off first before switching.
12 Volt Trigger
Not Working
Power Switch on front panel
Make sure the Switch is in standby mode
indicated by a RED light. BLUE when triggered.
INSTALLATION
Troubleshooting
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1890 Cordell Court, Suite 105 El Cajon, CA 92020 Sales 866-927-7181
AMP2150 RPA 11152013
