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AMPLIFIER SHUTS OFF
Short Circuit Protection engaged:
The amplifier will turn off and try to come back on immediately. The
amplifier will cycle like this indefinitely, with "blips" of sound each
time. If this is the case, check your speakers and wiring for low
impedance and short circuits.
Thermal Protection engaged:
The amplifier will turn off and several minutes later will come back
on. In this case, ensure that there is nothing blocking the normal
convective airflow of the amplifier. No obstruction should be within
2" of the amplifier on all sides.
NO SOUND Is the LED lit?
SOUND IN ONE CHANNEL ONLY
Reverse left and right speakers by unplugging the speaker connector, turning it
over and plugging it back in.
20
TROUBLE SHOOTING
SOUND IS NOW IN
OPPOSITE CHANNEL
Reverse RCA inputs
SOUND IS NOW IN
OPPOSITE CHANNEL
Reverse RCAs at head unit
SAME CHANNEL
Problem is in the Amplifier. See your
local Authorized
PrecisionPower
Dealer
or call 1-800-62
POWER
.
SOUND IS NOW IN
SAME CHANNEL
Problem is in the RCA cables
OPPOSITE CHANNEL
Problem is in the head unit
GREEN
Substitute RCA inputs with another
source, and connect a known good
speaker to one channel.
RED
Central Muting is engaged. Remote
turn-on wire must have more than 8
volts to release central muting. Check
Remote turn-on at the head unit. You
may need to install a relay if the head
unit doesn't put out sufficient voltage.
STILL NO SOUND - See your Authorized
PrecisionPower
Dealer or Call
1-800-62
Power
WHAT COLOR ?
YES NO
Check Power and Remote turn-on wire
for voltage. Make sure Ground wire is
secure.
SAME CHANNEL
Problem is in the speaker or speaker
wire of the silent channel.