Troubleshooting; Error Displays - Clarion DB345MP Service Manual

TROUBLESHOOTING

Problem Problem
Problem Problem Problem
Power does not turn on.
(No sound is produced).
Compact disc cannot be
loaded.
Sound skips or is noisy.
Sound is bad directly after
power is turned on.
Nothing happens when buttons
are pressed.
Display is not accurate.

ERROR DISPLAYS

To protect the system, this unit has been equipped with self diagnostic functions. If a fault arises, a warning is
issued by various error displays. Follow the corrective measures and remove the fault.
Error Display
ER2
ER3
ER6
Cause Cause
Cause Cause Cause
Fuse is blown.
Incorrect wiring
Another compact disc is already
loaded.
Compact disc is dirty.
Compact disc is heavily scratched
or warped.
Water droplets may form on the
internal lens when the car is
parked in a humid place.
Microprocessor has
malfunctioned due to noise, etc.
DCP or main unit connectors are
dirty.
This error display indicates that a fault has arised in the mechanism of the
source unit (for example, the disc cannot be ejected).
!Check the source unit
This error display indicates that the pickup focus is off because of a scratched
disc or some other factor during source unit play.
!Check the compact unit
This indicates that the CD's TOC (table of contents) cannot be read, because
the selected disc is upside-down.
- 3 - - 3 - - 3 - - 3 - - 3 -
Replace with a fuse of the same amperage.
Read the attached "Installation/Wire connection
Guide" once again and wire properly.
Eject the compact disc before loading the new
one.
Clean the compact disc with a soft cloth.
Replace with a compact disc with no scratches.
Let dry for about 1 hour with the power on.
Turn off the power, then press the [RELEASE]
button and remove the DCP.
Press the reset button for about 2 seconds with a
thin rod.
Wipe the dirt off with a soft cloth moistened with
cleaning alcohol.
Corrective Measure
Measure Measure
Measure Measure Measure
[RELEASE] [RELEASE] [RELEASE] [RELEASE]
D B 3 4 5 M P / D B 3 4 6 M P D B 3 4 5 M P / D B 3 4 6 M P D B 3 4 5 M P / D B 3 4 6 M P D B 3 4 5 M P / D B 3 4 6 M P D B 3 4 5 M P / D B 3 4 6 M P