Dukane Imagepro 8944 Lcd Projector Users Manual

59
Maintenance
Lamp
A lamp has finite product life. Using the lamp for long periods of time could cause 
the pictures darker or the color tone poor. Note that each lamp has a different 
lifetime, and some may burst or burn out soon after you start using them\
. 
Preparation of a new lamp and early replacement are recommended. To prepare 
a new lamp, contact your dealer and tell the lamp type number.

Type number = 456-8943
Replacing the lamp
. Turn the projector off, and unplug the power cord....

60

Maintenance
Lamp (continued)
Lamp warning
 HIGH VOLTAGE HIGH TEMPERATURE HIGH PRESSURE
WARNING  ►The projector uses a high-pressure mercury glass lamp. The 
lamp can break with a loud bang, or burn out, if jolted or scratched, handled 
while hot, or worn over time. Note that each lamp has a different lifetime, and 
some may burst or burn out soon after you start using them. In addition, when 
the bulb bursts, it is possible for shards of glass to fly into the lamp housing, and 
for gas containing...

6

Please  check  and  clean  the  air  filter  periodically.  If  the  air  filter  becomes  clogged 
by  dust  or  the  like,  internal  temperatures  rise,  which  could  cause  a  fire,  a  burn  or 
malfunction  to  the  projector.  When  the  indicators  or  a  message  prompts  you  to 
clean the air filter, comply with it as soon as possible. Note that the projector may 
shut down, when the projector heats too much.
Please replace the air filter when it is damaged or too soiled. Preparation...

6

WARNING  ►Before taking care of the air filter, make sure the power 
switch is off and the power cable is not plugged in, then allow the projector to 
cool sufficiently. Taking care of the air filter in a high temperature state of the 
projector could cause an electric shock, a burn or malfunction to the pr\
ojector.
►Use only the air filter of the specified type. Do not use the projector without 
the air filter or the filter cover. It could result in a fire or malfunction to the 
projector....

63

Maintenance
. Turn the projector off, and unplug the power cord. Allow the projector to cool sufficiently.
. After making sure that the projector has cooled adequately, slowly turn over the projector, so that the bottom is facing.
3. Remove the battery cover.  Turn the battery cover in the direction indicated “OPEN” using such as coins. Then the battery cover will come up. While removing the battery cover, pick its knob.
4. Take the old battery out. Press the metal claw of the battery...

64

Maintenance
Inside of the projector
In order to ensure the safe use of your projector, please have it cleaned and 
inspected by your dealer about once every year.
Caring for the lens
If the lens is flawed, soiled or fogged, it could cause deterioration of display 
quality. Please take care of the lens, being cautious of handling.
. Turn the projector off, and unplug the power cord. Allow the projector to cool 
sufficiently.
. After making sure that the projector is cool adequately, lightly...

65

Troubleshooting
Related messages
When the unit's power is on, messages such as those shown below may be 
displayed. When any such message is displayed on the screen, please foll\
ow the 
instructions described below. If the same message is displayed after the remedy, 
or if a message other than the following appears, please contact your de\
aler or 
service company.
Although these messages will be automatically disappeared around several\
 
minutes, it will be reappeared every time the power is...

66

Troubleshooting
Regarding the indicator lamps
Lighting and flashing of the POWER indicator, the LAMP indicator, and the TEMP 
indicator have the meanings as described in the table below. Please follow the 
instructions within the table. If the same indication is displayed after\
 the remedy, 
or if an indication other than the following is displayed, please contac\
t your dealer 
or service company.
POWER 
indicator
LAMP 
indicator
TEMP 
indicatorDescription
Lighting
In Orange
Turned
off
Turned
off...

67

Troubleshooting
Regarding the indicator lamps (continued)
POWER 
indicator
LAMP 
indicator
TEMP 
indicatorDescription
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  0 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...

68

Troubleshooting
Phenomena that may be easy to be mistaken for machine defects
WARNING  ►Never use the projector if abnormal operations such as 
smoke, strange odor, excessive sound, damaged casing or elements or cables, 
penetration of liquids or foreign matter, etc. should occur. In such cases, 
immediately turn off the power switch and then disconnect the power plug from 
the power outlet. After making sure that the smoke or odor has stopped, contact 
your dealer or service company.
. Before...