4 Troubleshooting
Troubleshooting
20
Trouble
shoo
ting
4
Troubleshooting
Problem
Cause & Correction
No Power.
• The power cord is not plugged in. Plug in the power cord.
• Check whether electricity failed.
Check the condition by operating other electronic devices.
No sound.
• Check whether you select right function.
Press
FUNCTION
and check the selected function.
• Speaker cables are not connect correctly.
Connect the speaker cables correctly.
• The volume is set to minimum.
Use the volume controller to adjust the volume.
The unit does not start
playback.
• An unplayable disc is inserted. Insert a playable disc.
• No disc is inserted. Insert a disc.
• The disc is dirty. Clean the disc. (Refer to the page 22)
• The disc is inserted upside down.
Place the disc with the label or printed side facing upwards.
Radio stations cannot
be tuned in properly.
• The antenna is positioned poorly. Adjust its position.
• The signal strength of the radio station is too weak.
Tune to the station manually.
• No stations have been preset or preset stations have been cleared (when
tuning by scanning preset channels).
Preset some radio stations, see page 14 for details.
The remote control
does not work properly.
• The remote control is not pointed at the remote sensor of the unit.
Point the remote control at the remote sensor of the unit.
• The remote control is too far from the unit.
Operate the remote control within about 16 ft (5 m).
• There is an obstacle in the path of the remote control and the unit.
Remove the obstacle.
• The battery in the remote control is exhausted.
Replace the battery with new one.
iPod/iPhone does not
work.
• Check whether the player is connected to the unit correctly.
Connect it to the unit correctly.
Summary of Contents for CM2520
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