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 connector and check that there is nei¬
ther smoke nor heat from the unit before asking for repairs.
Never try to repair the unit by yourself because it is danger¬
ous to do so.
Caution:
• Do not use the unit if it malfunctions or
if there is something wrong.
• Do not use the unit in abnormal condi¬
tion, 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.
Troubleshooting Tips
□ Common
Trouble
No power.
No sound.
| Noise.
I
-
..
(
-
The display shows
demonstration message.
I_
Cause/Step
Car's engine switch is not on.
-»Turn your car's ignition switch to ACC or ON.
f-----
—
--
Cables are not correctly, connected.
—Connect cables correctly.
f
1 •
--
Battery cable is not correctly connected.
-Connect the battery cable to the terminal that is always active.
r
■
--
'
Accessory cable is not correctly connected.
■►Connect the accessory cable to your car's ACC source._
Grounding wire is not correctly connected.
-►Connect the grounding wire to a metal part of the car.
Fuse is burnt.
—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.
-Set it to OFF._
Cables are not correctly connected.
—Connect cables correctly._
Condensation (dew).
—Wait for a while before use._
A mobile phone is used near the unit.
—Keep the mobile phone away from the unit._
Demonstration mode is ON.
—Press lo/SPiA/l/tDISP] (display) to cancel demonstration mode.
CQ-DF802U