Hyundai H-CMMD4044, Instruction Manual

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Troubleshooting guide
Symptom Cause Solution
No power The car ignition is not on.
The fuse is blown.
If the power supply is properly connected to the car
accessory switch the ignition key to “ACC”.
Replace the fuse.
Disc cannot be loaded. Presence of disc inside the player. Remove the disc in the player then put a new
upward.
Disc cannot be read. Inserting the disc in upside down.
Compact disc is extremely dirty or defective.
Temperature inside the car is too high.
Insert the compact disc with the label facing
upward.
Clean the disc or try to play a new one.
Cool off until the ambient temperature returns to
normal.
No sound Volume is in minimum.
Wiring is not properly connected.
Adjust volume to a desired level.
Check wiring connection.
The buttons do not work. The built-in microcomputer is not operating
properly due to noise.
Front panel is not properly fix into its place.
Press the power button for about 10 seconds to reset
the unit
Sound skips. The installation angle is more than 30 degrees.
The disc is extremely dirty or defective.
Adjust the installation angle to less than 30 degrees.
Clean the compact disc/try to play a new one.
The radio does not work,
the radio station automatic
selection does not work.
The antenna cable is not connected the signals
are too weak.
Insert the antenna cable firmly select a station
manually.