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 yourself because it is dangerous to
do so.
No power.
Trouble
Car’s engine switch is not on.
➡Turn your car’s ignition switch to ACC or ON.
Troubleshooting Tips
❐ Common
Cables are not correctly connected.
➡Connect cables correctly.
Battery cable is not correctly connected.
➡Connect the battery cable to the terminal that is always live.
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 service
station and ask for fuse replacement.
No sound.
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.
Cautions:
≥Do not use the unit if it malfunctions or
is something wrong.
≥Do not use the unit in abnormal condi-
tion, for example, without sound, or
with smoke or foul smell, can cause ig-
nition or electric shock. Immediately
stop using it and call the store where
you purchased it.
Cause/Step
The display shows “display and light off”.
➡Press [DISP] to change the display.
Only sound, no display.
A mobile phone is used near the unit.
➡Keep the mobile phone away from the unit.
Noise.
Demonstration mode is ON.
➡Press [DISP] to cancel demonstration mode.
≥ Buttons unusable.
≥ Audio sound is not
matched on the
mode display.
