Dukane Projector 8934A User Manual

81
Troubleshooting
Regarding the indicator lamps
When operation of the LAMP, TEMP and POWER indicators differs from usual, 
check and cope with it according to the following table.
POWER 
indicator LAMP 
indicator TEMP 
indicator Description
Lighting
In Orange Turned
off Turned
off
The projector is in a standby state.Please refer to the section “Power on/off”.
Blinking
In Green Turned
off Turned
off
The projector is warming up.Please wait.
Lighting
In Green Turned
off Turned
off
The projector is in an on...

82
Troubleshooting
Regarding the indicator lamps (continued)
POWER 
indicator LAMP 
indicator TEMP 
indicator Description
Blinking In Red or
Lighting In Red Turned
off Blinking
In Red
The cooling fan is not operating.Please turn the power off, and allow the projector to 
cool down at least 20 minutes. After the projector has 
sufficiently cooled down, please make confirmation 
that no foreign matter has become caught in the fan, 
etc., and then turn the power on again.
If the same indication is displayed...

83
• When the interior portion has become overheated, for safety 
purposes, the projector is automatically shut down, and the indicator lamps 
may also be turned off. In such a case, disconnect the power cord, and wait at 
least 45 minutes. After the projector has sufficiently cooled down, please make 
confirmation of the attachment state of the lamp and lamp cover, and then turn 
the power on again. 
If the projector is used at an altitude of about 1600 m (5250 feet) 
or higher, set ALTITUDE of the...

84
Troubleshooting
Resetting all settings
When it is hard to correct some wrong settings, the FACTORY RESET function of 
SERVICE item in OPTION menu (
67) can reset all settings (except settings such 
as AUTO BLANK, STANDBY MODE, LANGUAGE, LAMP TIME, FILTER TIME, 
FILTER MESSAGE, SECURITY and NETWORK) to the factory default. Be sure to 
set ALTITUDE after resetting all the settings (
 63).
Phenomena that may be easy to be mistaken for machine defects
About the phenomenon confused with a machine defect,...

85
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continue\
d)
PhenomenonCases not involving a machine defectReference 
page
Sound does 
not come out. The signal cables are not correctly connected.
Correctly connect the audio cables.
12 ~ 14
The MUTE function is working.
Restore the sound pressing 
MUTE or VOLUME +/- 
button on the remote control.
22
The volume is adjusted to an extremely low level.
Adjust the volume to a higher level using the menu 
function or the remote...

86
PhenomenonCases not involving a machine defectReference 
page
Video screen  display 
freezes. The FREEZE function is working.
Press FREEZE button to restore the screen to normal.31
Colors have a
faded- out
appearance, or Color tone is  poor. Color settings are not correctly adjusted.
Perform picture adjustments by changing the COLOR 
TEMP, COLOR, TINT and/or COLOR SPACE settings, 
using the menu functions.37, 42
COLOR SPACE setting is not suitable.
Change the COLOR SPACE setting to AUTO, RGB,...

87
PhenomenonCases not involving a machine defectReference 
page
Some kind of image 
degradation  such as 
flickering or 
stripes appear  on screen.  When the projector is operating in Eco mode, 
flickering may appear on screen.
Set ECO MODE to OFF, and set AUTO ECO MODE to 
OFF, in the SETUP menu.
47
The OVER SCAN ratio is too big.
Adjust OVER SCAN in the IMAGE menu smaller.40
Excessive VIDEO NR.
Change the setting of VIDEO NR in the INPUT menu.42
The FRAME LOCK function cannot work on the 
current...

88
• Although bright spots or dark spots may appear on the screen, this 
is a unique characteristic of liquid crystal displays, and it does not constitute or 
imply a machine defect. NOTE
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continue\
d)
Phenomenon Cases not involving a machine defectReference 
page
Schedule 
function does  not work The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP 
menu.
49
The internal clock has been reset.
Once...

89
Specifications
Specifications
Please see the Specifications in the User’s Manual (concise) which is a book.
End User License Agreement for the Projector Software
• Software in the projector consists of the plural number of independent software 
modules and there exist our copyright or/and third party copyrights for each of 
such software modules.
• Be sure to read “End User License Agreement for the Projector Software” which 
is separated document.
430-8933WB-8934A-General-00
See Dukane Web site for...