Panasonic CQ-RDP472N - Manual (Page 30)

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Cautions:
¡Do not use the unit if it malfunctions or
something is wrong.
¡Do not use the unit in an irregular condition,
for example, without sound, or with smoke or
foul smell, which can cause ignition or electric
shock. Immediately stop using the unit and
call the store where you purchased it.
Problem Possible cause / Possible solution
No power.
No sound.
Noise.
Demonstration mode is ON.
a Press [DISP] to cancel demonstration mode.
A mobile phone is used near the unit.
a Keep the mobile phone away from the unit.
Condensation (dew).
a Wait for a while before use.
External Mute lead is not correctly connected.
a Connect the External Mute lead correctly.
Cables are not correctly connected.
a Connect cables correctly.
Mute is set to ON.
a Set it to OFF.
Fuse is burnt.
a Call the store where you purchased the unit, or your nearest Panasonic
Service Center and ask for replacement fuse.
Cables are not correctly connected.
a Connect cables correctly.
Battery cable: Connect the battery cable to the terminal that is always live.
Accessory cable: Connect the accessory cable to your car’s ACC source.
Grounding wire: Connect the grounding wire to a metal part of your car.
Car’s engine switch is not on.
a Turn your car’s ignition switch to ACC or ON.
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Common
Troubleshooting
Preliminary Steps
Check and take steps as described in the tables below.
If You Suspect Something Wrong
Immediately switch power off.
Disconnect the power cable 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.
Audio sound is output
but the display shows
demonstration message.
Product Service
If the suggestions in the charts do not solve the problem, we recommend that you take it to your nearest authorized
Panasonic Service Center. The product should be serviced only by a qualified technician.