Troubleshooting - Macrom M-DVD5542R Owner's Manual

Troubleshooting

The following checklist can help you solve the problems which you may encounter when using the
unit. Before consulting it, check the connections and follow the instructions in the user manual.
Problem
General
The unit will not switch on.
No sound
The unit or screen does
not function normally.
DVD mode
The appliance will not play
discs.
S o u n d s k i p s d u e t o
vibration.
TUNER mode
Unable to receive stations.
Poor quality reception of
radio station.
Preset stations are lost.
USB/SD/MMC mode
U n a b l e t o i n s e r t U S B
device or SD/MMC card.
The USB device or SD/
M M C c a r d c a n n o t b e
read.
Remote control
The remote control is not
working or does not work
properly
Possible cause
Car ignition is not on.
C a b l e i s n o t p r o p e r l y
connected.
Fuse is burnt.
Volume is set at minimum or
the mute function is on.
The unit system is unstable.
The disc is inserted incorrectly.
The disc is dirty or damaged.
Mounting angle is over 30˚.
Mounting is unstable.
The antenna is not connected
properly.
T h e a n t e n n a i s n o t f u l l y
extended or it is broken.
T h e b a t t e r y c a b l e i s n o t
properly connected.
The memory card or USB
device has been inserted the
wrong way round.
NTFS format is not supported.
The SD/MMC card is not map
card.
The batteries are low or empty. Change the batteries.
24
Solution
Turn your car key in the ignition.
Check cable connection.
Replace fuse with a new fuse of the
same capacity.
Check the volume or switch the mute
function off.
Press the RESET button.
Disc must be inserted with the label
side facing up. Clean the disc and
check for damage. Try another disc.
Adjust mounting angle to less than 30˚.
Mount the unit securely with the
supplied parts.
Connect the antenna properly.
Fully extend the antenna and if
broken, replace it with a new one.
Connect the permanent live on the unit
to the permanent live on the vehicle.
Insert it the other way around.
Check that the USB disk file system
is in FAT or FAT32 format. Due to
different formats, some models of USB
storage devices or MP3 players may
not be read.
Using a map card.