Troubleshooting - Panasonic CY-VHD9401N Operating Instructions Manual

Troubleshooting

E
N
G
L
I
S WARNING:
H
≥ Do not use the product when it is broken or there is some abnormality.
33 In the unlikely event that the product breaks (such as when no image is displayed or there is no
sound) or there is some abnormality (such as when a foreign object is inside the product, water was
spilled on it, smoke comes out or the product makes a strange smell), immediately stop using the
product, switch [MAIN POWER] to OFF and be sure to contact the store from which you purchased your
product or a nearby Panasonic Service Centre.
Continuing to use the product in that condition could cause accidents, fi re or electrical shock.
≥ If there are any problems in the wiring connections or installation, do not attempt to do the repair
work or check the wiring yourself. Instead, be absolutely sure to consult with your dealer or your
nearest Panasonic Service Centre and request repairs.
Preliminary Steps
Check and take steps as described in the tables below.
For items in the "Possible solution" column in the tables below that relate to wiring connections or installation,
do not attempt to do the repair work or check the wiring yourself.
For whatever is printed in italics in the "Possible solution" column, turn to the reference page given, and
conduct the operations and checks yourself.
If You Suspect Something Wrong
Immediately switch [MAIN POWER] to OFF.
Disconnect the power connector and check that there is neither smoke nor heat from the unit before asking for
repairs. Never try to repair the unit by yourself because it is dangerous to do so. Instead, be absolutely sure to
consult with your dealer or your nearest Panasonic Service Centre and request repairs.
Troubleshooting Tips
Common
Problem Possible cause
No power to the unit. [MAIN POWER] switch is set to
OFF.
The power cord (battery, ACC and
ground) is connected in the wrong
way.
Fuse blow out.
Sound is not The volume on the headphones is
generated. adjusted to zero.
The power of headphones is set to
OFF.
The batteries of the IR wireless
headphones have run down.
Cables are not correctly connected. Connect cables correctly.
130
CY-VHD9401N
Possible solution (reference page)
Switch [MAIN POWER] to ON.
(page 108)
Check the wiring.
Eliminate the cause of fuse blow out
and replace the fuse with new one.
Consult your dealer.
Raise the volume on the headphones.
(page 107)
Switch the power of headphones to
ON. (page 107)
Replace the batteries. (page 106)
Common (continued)
Problem Possible cause
Noise The headphones are too far from
this unit.
The path between the unit and
headphones is obstructed by
something.
The batteries of the IR wireless
headphones have run down.
There is an electromagnetic-wave
generator such as a cellular phone
near the unit or its electrical lines.
The contact of the ground lead is
poor.
Noise is made in Alternator noise comes from the
step with engine car.
revolutions.
Monitor
Problem Possible cause
The tilt angle or There is an obstacle.
the lateral angle of
the display is not
adjustable.
Dome light
Problem Possible cause
Dome lights do not The dome light switch is at the OFF
come on.
position.
The wires are not connected
properly.
E
N
G
L
I
S
H
Possible solution (reference page)
34
Use the headphones within a distance
of 2.5 m from the unit. (page 107)
When using the headphones, remove
any obstacles that obstruct the path
between the headphones and unit.
(page 107)
Replace the batteries. (page 106)
Keep an electromagnetic-wave
generator such as a cellular phone
away from the unit and the wiring of
the unit.
In case the noise cannot be eliminated
due to the wiring harness of the car,
consult your dealer.
Make sure that the ground lead is
securely connected to an unpainted
part of the chassis.
Change the wiring position of the
ground lead.
Mount a noise fi lter on the power supply.
Possible solution (reference page)
Install the unit where the unit moves
freely.
Possible solution (reference page)
Set it to the ON position. (page 100)
For the wiring connections of the dome
lights, consult a specialized contractor
or your dealer where you purchased
the unit.
131
CY-VHD9401N