Troubleshooting - Jensen POWER 5500 Manual De Instalación Y Operación

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Troubleshooting

Problem
Possible Cause
Amplifier does not
No power to +12V
turn on
terminal
No power to REM
terminal
Blown main fuse at
battery
Blown fuse at amplifier
Faulty ground
Volume control too
Input level control
sensitive
adjusted too high
Distorted sound
Input level control
adjusted too high
Blows fuse(s) at amp Power wires connected
backwards
Internal problem with
amp
Engine noise /
Ground loop(s)
Alternator whine
Faulty ground at amp
Faulty ground at head
unit
Inductive coupling
Input level on amp set
too high
Thermal protection
Amplifier driving 2 ohm
activated
load (4 ohms bridged) for
long durations
Corrective Action
Check fuse(s)
Check head unit fuse(s) and
wiring
Replace fuse and identify
cause of failure
Replace fuse and identify
cause of failure
Re-ground main power
ground to bare metal
chassis
Re-adjust the input level
(refer to page 8)
Re-adjust the input level
(refer to page 8)
Reconnect power wires
properly
Take unit for service
Use good quality shielded
RCA cables
Re-ground amp to clean
bare metal chassis
Re-ground head unit to
clean bare metal chassis
Re-route RCA and/or
speaker wires away from
factory harnesses
Re-adjust input level (refer
to page 8)
If the amplifier « thermals"
frequently while driving
subwoofers, install fan to
keep amp cool.
11
POWER 5500 5-Channel Amplifier
Short circuit
Blown speakers
protection activated
Speaker wire(s) shorting
to ground
Defective crossover
Low impedance
Amp connected to
protection activated
improper load
Amp will not drive a 2
ohm bridged load, 4 ohm
minimum in bridged
configuration
Speakers defective/
blown
Faulty passive
crossovers
Poor bass response
Speakers out of phase
NOTE: If the protection light is activated with no speakers connected to
the amplifier, and all the power connections are correct, this would
indicate an internal problem with the amplifier.
Check all speakers
Check for faulty wiring
Faulty passive crossover
Check speaker connections
Verify that speakers are
connected properly
Check speakers
Check crossovers
Check speaker polarity;
reverse the connection to
one speaker only if two
subwoofers are connected
to the amplifier.

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