FOUR 4-MP400BTi, Owner'S Manual

Page: 11 / 24

TROUBLE SHOOTING
11
Before going through the checklist, check wiring connection. If any of the
problems persist after checklist has been made, consult your nearest service
dealer.
Symptom Cause Solution
No power.
The car ignition
switch is not on.
If the power supply is
connected to the car
accessory circuits, but
the engine is not moving,
switch the ignition key to
“ACC”.
The fuse is blown. Replace the fuse.
No sound.
Volume is in minimum Adjust volume to a desired
level.
Wiring is not properly
connected.
Check wiring connection.
The operation
keys do not work.
The built-in
microcomputer is not
operating properly
due to noise.
Press the reset button.
The radio does not
Work. The radio
station automatic
selection does not
work.
The antenna cable is
not connected.
Insert the antenna cable
firmly.
The signals are too
weak.
Select a station manually.