Hyundai H-CMD4021, Instruction Manual

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General information General information
Troubleshooting
Below is a table describing simple measures that can help you eliminate most problems likely
to emerge when this unit is in use. If below measures do not help, turn to a service center or to the
nearest dealer.
Symptom Cause Solution
No power The car ignition is not on. If the power supply is properly connected
to the car accessory 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.
Bad sound quality The installation angle is more
than 35 degrees.
Adjust the installation angle to less than
35 degrees.
The disc is extremely dirty or
defective.
Clean the compact disc/try to play a new
one.
Disc cannot be
loaded or ejected
The unit already contains a
disc.
Remove the disc in the player then put a
new one.
Moisture condensation. Leave the unit idle for an hour, then retry.
Disc cannot be
read
The disc is inserted upside
down.
Insert the compact disc with the label
side facing upward.
Compact disc is extremely
dirty or defective.
Clean the disc or try to play a new one.
Temperature inside the car is
too high.
Cool off until the ambient temperature
returns to normal.
Buttons do not
work
The built-in microcomputer is
not operating properly.
Reset the unit with the help of RESET
button.
Front panel is not properly fix
into its place.
Install the front panel properly.
The radio does
not work
The antenna cable is not
connected.
Insert the antenna cable properly.
The radio station
automatic tuning
does not work The signals are too weak. Select stations manually.