User manual

Troubleshooting
Version 1.5 67
15 Troubleshooting
15.1 Check
Description
ToDo
Check
Power check
connect the unit to
mains (check main
switch)
- is the power LED red illumi-
nated?
(depending on power set-
tings in the on-screen menu)
(depends on customer instal-
lation)
switch on the unit
with the power key
- is power LED green illumi-
nated?
(may unit starts up automati-
cally, depends on power set-
tings in the on-screen
menu)(depends on customer
installation)
Image check
ALL OUT-
PUTS
connect display
device
- does the unit outputs an im-
age?
place color test
chart
- color test chart is showed
correctly?
- is brightness ok with auto
iris?
place test chart
(letters, lines)
- is the image focused?
(switch on auto focus)
Key check
press all keys on
the unit
- all keys are working well?
(depends on customer instal-
lation)
press all keys on
the remote control
- all keys are working well?
(depends on customer instal-
lation)
15.2 Power (depends on customer installation)
SYMPTOM
POSSIBLE CAUSE
SOLUTION
power indica-
tion LED is
not illuminated
no mains, power
cord missing or
damaged
- check mains and power cord
faulty power supply
- change power supply
power indica-
tion LED is
red illuminat-
ed
unit is in stand-by
mode
- switch on the unit by pressing
the POWER-key. Power indi-
cation LED has to be green.
15.3 IR-remote control (optional)
SYMPTOM
POSSIBLE CAUSE
SOLUTION
no function at
all (laser
pointer)
batteries
- check batteries
change it - check polarity
no response
of the unit
(laser pointer
is working)
IR-receiver
- check IR-code, change it if
necessary
- check IR-receiver, may be it
is covered