EN
24
TROUBLESHOOTING
Problems
The power indicator does not light
up.
The speaker output is off. The
protection indicator lights up in red.
The unit heats up abnormally or
operating temperature.
Alternator noise is heard.
The sound is muffled.
The sound in too low.
Cause / Solution
•
The fuse is loose or blown. -
Fasten the fuse or change it with
a new one.
•
The ground lead is not securely
connected. - Fasten to a metal
point of the car.
•
The connection master unit
is not turned on. - Turn on the
master unit.
•
The system employs too many
amplifiers. - Use a relay.
•
Check the battery voltage
(10.5 – 15 V).
•
The speaker outputs are short-
circuited. - Turn off power
switch. Rectify the cause
of the short-circuit and
correct.
•
Use speakers with suitable
impedance (2 – 8 Ω stereo),
(4 – 8 Ω, when used as a bridging
amplifier).
•
Make sure to place the unit in a
well ventilated location.
•
The power connecting leads
are installed too close to the
RCA pin cords. - Tidy these
connecting leads and keep the
leads away from the cords.
•
The ground lead not securely
connected. - Fasten the ground
lead securely to a metal point of
the car.
•
Negative speaker leads are
touching the car chassis. - Keep
the leads away from the car
chassis.
•
The FILTER switch must be set
to the "LPF" position.
•
The level adjustment
control must be set to the
"MIN"position.