Troubleshooting - Panasonic CQ-DPX172U Operating Instructions Manual

Troubleshooting

E
N
G
L
I
Preliminary Steps
S
H
Check and take steps as described in the tables below.
23
If You Suspect Something Wrong
Immediately switch power off.
Disconnect the power connector and check that there is neither
smoke nor heat from the unit before asking for repairs. Never try to
repair the unit yourself because it is dangerous to do so.
Troubleshooting Tips
■Common
Trouble
No power
No sound
Noise
Audio sound is output
but the display shows
demonstration message.
32
Car's engine switch is not on.
a Turn your car's ignition switch to ACC or ON.
Cables are not correctly connected.
a
Connect cables correctly.
Battery cable is not correctly connected.
a
Connect the battery cable to the terminal that is always live.
Accessory cable is not correctly connected.
a Connect the accessory cable to your car's ACC source.
Grounding wire is not correctly connected.
a Connect the grounding wire to a metal part of your car.
Fuse is burnt.
a
Call the store where you purchased the unit, or your nearest Servicenter
(see the attached sheet) and ask for fuse replacement.
Mute is set to ON.
a
Set it to OFF.
Cables are not correctly connected.
a Connect cables correctly.
Condensation (dew)
a Wait for a while before use.
A mobile phone is used near the unit.
a
Keep the mobile phone away from the unit.
Demonstration mode is ON.
a
Press [DISP] (DISPLAY) to cancel demonstration mode.
CQ-DPX172U
Cautions:
¡Do not use the unit if it malfunctions or
something is wrong.
¡Do not use the unit in abnormal conditions,
for example, without sound, or if it emits
smoke or a foul smell, which can cause
ignition or electric shock. Immediately stop
using the unit and call the store where you
purchased it.
Cause / Step