Hyundai H-CMMD4040 instruction manual Troubleshooting guide, Symptom Cause Solution

Troubleshooting guide

Symptom	Cause	Solution
General	The car ignition is not on.	If the power supply is properly connected to the car
No power	The fuse is blown.	accessory switch the ignition key to “ACC”.
		Replace the fuse.
Disc	Presence of disc inside the player.	Remove the disc in the player then put a new
Disc cannot be loaded.		upward.
Disc cannot be read.	Inserting the disc in upside down.	Insert the compact disc with the label facing
	Compact disc is extremely dirty or	upward.
	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.
No sound	Volume is in minimum.	Adjust volume to a desired level.
	Wiring is not properly connected.	Check wiring connection.
The operation keys do not	The built-in microcomputer is not	Press the RESET button.
work.	operating properly due to noise.	Reinstall the front panel.
	Front panel is not properly fix into its
	place.
Sound skips.	The installation angle is more than 30	Adjust the installation angle to less than 30
	degrees.	degrees.
	The disc is extremely dirty or defective.	Clean the compact disc/try to play a new one.

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