Instruction manual

45
TROUBLESHOOTING
If the operation freezes, the screen goes black or the unit does not function properly
otherwise, try turning the unit on and off. If the unit does not respond, press the
reset switch on the front panel. If this still doesn’t help, check for further causes and
remedies as listed below:
Problem Cause Solution
No picture when the
monitor is turned on.
1. Power wire connection
wrong or fuse blown.
2. System cable is not in
right position.
1. Check the power wire
and replace the fuse.
2. Check system cable or
replace with a new one.
Blurry picture on the
screen.
1. Electrical interference.
(e.g. high voltage wire,
transformation station
or aircraft, etc)
1. Picture quality will
improve when monitor
moves away from
source of interference.
Poor/ no function on the
remote control.
1. Remote control battery
drained.
2. Remote control
damaged.
1. Change to a new
battery.
2. Contact your dealer for
a new remote control.
The picture on the screen
is dark.
1. Unit used in low
temperature
environment
(below 0°C).
2. BRIGHTNESS level is
set too low.
1. Effect is typical for
LCDs operating at low
temperatures. Picture is
gradually restored when
temperature of unit and
surrounding rises up.
2. Adjust BRIGHTNESS.
ZEM-W700DMM Manual E.indd 45 14.01.2005 13:32:25 Uhr