•When you unplug the AC power cord or if a power failure occurs, the timer will be canceled. You need to set the clock first, then the timer again.
Troubleshooting 
If you are having a problem with your System, check this list for a possible solution before calling for service.
General:
Adjustments or settings are suddenly canceled before you finish.]There is a time limit. Repeat the procedure again.
Operations are disabled.]The
]The path between the remote control and the remote sensor on the System is blocked.
]The batteries are exhausted.
No sound is heard.]Speaker connections are incorrect or loose.
]Headphones are connected.
Radio Operations:
Hard to hear broadcasts because of noise.]Antennas connections are incorrect or loose.
]The AM loop antenna is too close to the System.
]The FM antenna is not properly extended and positioned.
Disc Operations:
The disc does not play.]The disc is placed upside down. Place the disc with the label side up.
ID3 Tag on an MP3 disc cannot be shown.]There are two types of ID3
2.This System can only show ID3 Tag Version 1.
MP3 groups and tracks are not played back as you expect.]The playing order is determined when the disc was recorded. It depends on the writing application.
The disc sound is discontinuous.]The disc is scratched or dirty.
The disc tray does not open or close.]The AC power cord is not plugged in.
]Child Lock is in use (see page 15).
Timer Operations:
Daily Timer does not work.]The System has been turned on when the
Maintenance 
To get the best performance of the System, keep your discs, and mechanism clean.
Handling discs
•When removing the disc from its case, hold it at the edge while pressing the center hole lightly.
•Do not touch the shiny surface of the disc, or bend the disc.
•Put the disc back in its case after use to prevent warping.
•Be careful not to scratch the surface of the disc.
•Avoid exposure to direct sunlight, extreme temperature,
and moisture.
To clean the disc:•Wipe the disc with a soft cloth in a straight line from center to edge.
Cleaning the System
•Stains should be wiped off with a soft cloth. If the System is heavily stained, wipe it with a cloth soaked in water- diluted neutral detergent and wrung well, then wipe clean with a dry cloth.
•Since the System may deteriorate in quality, become damaged or have its paint peeled off, be careful about the following:
–DO NOT wipe it with a hard cloth.
–DO NOT wipe it forcefully.
–DO NOT wipe it with thinner or benzine.
–DO NOT apply any volatile substance such as insecticides to it.
–DO NOT allow any rubber or plastic to remain in contact for a long time.
To remove the speaker grilles:HolesProjections
Speaker grille
19