Trouble Shooting - Clarion FZ501 Owner's Manual & Installation Manual

5. TROUBLE SHOOTING

GENERAL
Problem
Unit fuse blown.
Unit can not
power on.
Car battery fuse blown.
Unit can not
power on.
Nothing happens
when buttons are The microprocessor has
pressed. malfunctioned due to noise, etc.
Display is not
accurate.
Improper audio output connection. Check wiring and correct.
Volume set too low.
No/low audio Speakers damaged.
output.
Heavily biased volume balance.
Speaker wiring is in contact with
metal part of car.
Speaker power rating does not
match unit.
Poor sound quality
or distortion. Wrong connections.
Speaker is shorted.
Unit resets itself Incorrect connection between
when engine is off. ACC and Battery.
Cause
Replace with new fuse of correct rating.
Replace with new fuse of correct rating.
Turn off the power.
Press the [RESET] button with a thin rod.
Note:
When the [RESET] button is pressed, turn off
the ACC power.*
* When the [RESET] button is pressed,
frequencies of radio stations, titles, etc. stored
in memory are cleared.
Increase volume level.
Replace speakers.
Adjust the channel balance to center position.
Insulate all speaker wiring connections.
Replace speakers.
Check wiring and correct.
Check wiring and correct.
Check wiring and correct.
Measure
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