Trouble Shooting; Error Displays - Clarion M502 Owner's Manual & Installation Manual

5. TROUBLE SHOOTING

GENERAL
Problem Cause
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.
USB Devices
Problem Cause
The USB device has been
USB device cannot
inserted with wrong direction.
be inserted.
The USB connector is broken.
The USB device is damaged.
USB device is not
recognized.
Connectors are loose.
No sound heard
No MP3/WMA file is stored in
with the display "No
the USB device.
File" shown.
Sound skips or is MP3/WMA files are not encoded
noisy. properly.
Measure
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
Reversing the connection direction of the USB
device, try it again.
Replace with a new USB device.
Disconnect the USB device and reconnect. If
the device is still not recognized, try replacing
with a different USB device.
Store these files properly in the USB device.
Use MP3/WMA files encoded properly.
Bluetooth
Problem Cause
C a n n o t p a i r t h e The device does not support the
Bluetooth enabled profiles required for the system.
device with the car The Bluetooth function of the
audio system. device is not enabled.
The internal microphone gain is
The audio quality
not set correctly.
is poor after
connection with a
The external microphone is
Bluetooth-enabled not set correctly nor properly
device. positioned.
SiriusXM Advisory Messages
Message
Check the SiriusXM tuner connection on the back of the unit to ensure that its correctly
CHEK TUNER
connected.
Ensure the SiriusXM antenna cable is connected to the SiriusXM tuner correctly.
Check the SiriusXM antenna wire for breaks or sharp bends. Replace the antenna if
CHK ANTENA
necessary.
Press RESET located..... If the message remains, the antenna may have been damaged.
The vehicle must be outside, and the antenna must have a clear view of the southern sky.
NO SIGNAL
The magnetic antenna must be mounted on the outside of the vehicle for the best reception.
This channel is not included in your SiriusXM subscription plan.
CHAN UNSUB
Call 1-800-XM-RADIO (1-800-967-2346) to subscribe.
This channel is not a valid SiriusXM channel.
CH UNAVAIL
The channel number has been entered incorrectly, or the channel was removed from the
SiriusXM channel lineup
The selected channel has been locked by the parental controls, or a mature channel has
been selected.
CH LOCKED
A prompt to enter the unlock code will appear. Enter the unlock code as described on
page 8.
SUBSCRIPTN
An update to your SiriusXM subscription has been received by the SiriusXM tuner. Press
UPDATED
any button to continue.

6. ERROR DISPLAYS

If an error occurs, one of the following displays is displayed.
Take the measures described below to solve the problem.
Display Cause
ERROR 2 Do not support iPod & iPhone.
If an error display other than the ones described above appears, press the [RESET] button. If the
problem persists, turn off the power and consult your store of purchase.
* When the [RESET] button is pressed, frequencies of radio stations, titles, etc. stored in memory
are cleared.
Measure
Use another device to connect.
Refer to the user manual of the device for how to
enable the function.
Adjust the gain of the internal microphone in
System Setup.
Adjust the gain and position of the external
microphone.
For example, stick the microphone onto the
dashboard so it is close to the driver.
Description
Measure
Change another device.
* The head unit will return to RADIO mode.
M502
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