Dukane Imagepro 8112 Projector Users Manual

71
Troubleshooting
Troubleshooting
If an abnormal operation should occur, stop using the projector immediately.
Otherwise if a problem occurs with the projector, the following checks and 
measures are recommended before requesting repair. 
If this does not resolve the problem, please contact your dealer or service 
company. They will tell you what warranty condition is applied.
►Never use the projector if abnormal operations such as smoke, 
strange odor, excessive sound, damaged casing or elements or...

72
Message Description
There is no input signal. 
Please confirm the signal input connection, and the status 
of the signal source.
The horizontal or vertical frequency of the input signal 
is not within the specified range.
Please confirm the specs for your projector or the signal 
source specs.
An improper signal is input. 
Please confirm the specs for your projector or the signal 
source specs.
The interior temperature is too high, or has increased 
or decreased in a short term. 
Please turn the power...

73
Troubleshooting
Regarding the indicator lamps
When operation of the POWER, TEMP and LAMP indicators differs from usual, 
check and cope with it according to the following table.
POWER TEMP LAMPDescription
Lighting
In 
Orange
Turned
offTurned
offThe projector is in a standby state.
Please refer to the section “Power on/off”.
Blinking
In 
Green
Turned
offTurned
offThe projector is warming up.
Please wait.
Lighting
In 
Green
Turned
offTurned
offThe projector is in an on state.
Ordinary operations may be...

74
Regarding the indicator lamps (continued)
• 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. NOTE
POWER TEMP LAMPDescription
Blinking
In 
Red
or
Lighting
In...

75
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects
About the phenomenon confused with a machine defect, check and cope with it 
according to the following table.
Phenomenon Cases not involving a machine defectReference 
page
Power does not 
come on.
The electrical power cord is not plugged in.
Correctly connect the power cord.14
The main power source has been interrupted during 
operation such as by a power outage (blackout), etc.
Please disconnect the power plug from the...

76
Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon Cases not involving a machine defectReference 
page
Sound does not 
come out.
The signal cables are not correctly connected.
Correctly connect the audio cables.10
The MUTE function is working.
Restore the sound pressing MUTE or VOLUME +/- button 
on the remote control.18
The volume is adjusted to an extremely low level.
Adjust the volume to a higher level using the menu function 
or the remote control.18
The AUDIO...

77
Phenomenon Cases not involving a machine defectReference 
page
No pictures
or disturbed
pictures are
displayed on
HDMI input.The HDMI
TM cable is not correctly connected.
Correctly connect the HDMITM cable.10
Your HDMI
TM equipment is not compatible with the 
projector.
This projector can be connected with another equipment 
that has HDMI or DVI connector, but with some equipment 
the projector may not work properly.13
Your HDMI
TM equipment and the projector are not 
harmonized.
Turn off the both...

78
Phenomenon Cases not involving a machine defectReference 
page
When the 
ASPECT is 
set to NATIVE, 
PICTURE 
POSITION does 
not work even if 
the vertical size 
of the displayed 
image does not 
fit visually on 
the effective 
display area.Vertical resolution of the input signal is equal to or 
more than the vertical resolution of display area that is 
determined by D-ZOOM adjustment value.
Change input signal resolution or/and D-ZOOM adjustment 
value so that vertical resolution of the input signal is...

79
Phenomenon Cases not involving a machine defectReference 
page
Scheduled 
Display Image 
command does 
not work. The lamp is turned off.
If the projector is in the standby state, please press the 
STANDBY/ON button on the projector or the remote 
control to turn on the lamp. If the POWER, TEMP, LAMP 
indicators on the control panel of the projector represent 
some errors (such as temperature error, lamp error),  take 
countermeasures referring to the table on page 73 and 74 
and then turn on the...