Boxlight Bl Wx25nu/x25nu Series User Manual

							59
Maintenance of Projector
Air Filter
When	a	warning	message	appears	to	remind	you	to	clean	the	air	filter,	please	replace	a	
new	one	as	soon	as	possible.	Please	check	and	clean	the	air	filter	periodically.
Replacing the Air Filter
When	the	use	time	reaches	the	filter	counter	time,	the	projector	will	display	a	message	
that	indicates	to	replace	a	new	filter.	If	there	is	no	spare	air	filter	available,	please	contact	
your dealer.Turn	off	the	projector,	and	unplug	the	power	cord.	 Allow	the	projector	to	sufficiently	
cool down.
	 Remove	the	filter	cover	from	the	right	side	of	projector.
	Pull	out	the	air	filter.
	Install	a	new	air	filter.
	Put	the	filter	cover	on.
	Reset	filter	timer	after	cleaning 	or	changing	air	filter.	(P.35)
New one 
						

							60
Maintenance of Projector
Lamp
1.  If you want to replace new lamp, but the projector was just turned off, please let the 
projector cool down and unplug power cord at least 60 minutes.
2.   If the projector is mounted in the ceiling, contact your dealer to repla\
ce the lamp.
Replacing New Lamp
1. Remove the lamp door.
2.  Loosen 2 screws of the lamp holder. Take the handle on the top of the lamp, pull out 
the lamp straight off the projector.
3.	Insert	new	lamp,	lock	the	lamp	door	firmly	with	2	screws.
4. Put the lamp door on.
5. Please reset the lamp timer after replacing lamp. (P.34) 
						

							61
Maintenance of Projector
 WARNING
The projector uses a high-pressure mercury lamp.
The	explosion	of	lamp	with	a	loud	bang	or	burn	out	could	possibly	cause	injury	or	a	fire.
When	the	bulb	burts,	it	is	possible	for	shards	of	glass	to	fly	into	the	lamp	housing;	and	
for gas containing mercury to escapefrom the projector’s vent holes.
If the lamp has broken, do not check the inside of the projector. Please ventilate the room 
immediately.
Do not touch or bring your face close to the broken pieces since it migh\
t get into your 
eyes or mouth. In case of injury, seek medical advice immediately.
Disposal of a Lamp
Dispose of a lamp in accordance with the local recycling laws.
Do not put it to your trash.
Recycling Lamp’s laws of the USA, go to www.lamprecycle.org.
Recycling Product’slaws of USA, go to www.eiae.org.
Recycling Product’slaws of Canada, go to www.epsc.ca.
For more information about recycling laws, please contact local governme\
nt agency or 
dealer.
CAUTION HOT
Before replacing the Lamp part, pay attention to the following items:
1.The Lamp is optional part. Contact the dealer for replacement lamp.
2.  The lamp becomes very hot when in use. Turn the power off and disconnect the power 
cord.
3.Wait 1 Hour before replacing the lamp.
4. Do not use old lamp part. 
						

							62
Maintenance of Projector
Other Care
Cleaning The Lens
If the lens is dirty and dusty, display quality maybe decreased. Before cleaning the lens, 
please make sure that the projector is cool down adequately.
After the projector has cooled down adequately, lightly wipe the lens with the available 
lens-cleaning cloth.
Do not touch the lens directly with your hand.
Additional
- In order to ensure the safe use of your projector, please contact your dealer to inspect 
about once a year.
-  Before maintenance, make sure the power cable is unplugged, allow the pr\
ojector to 
cool	sufficiently.	 The	high	temperature	state	of	the	projector	could	cause	a	burn	in	and/
or malfunction to the projector.
-Never try to maintain the inside of the projector by yourself 
						

							63
Troubleshooting
Indicator
The power and lamp indicators show the status of the projector. Before requesting repair, 
check the projector status using the chart below. If the problem cannot be resolved, 
contact your dealer.
In normal status~~~
POWER LAMPCONDITIONSDESCRIPTION
Blinking In 
Green Off
Stand by mode Projector is ready to be turned 
on.
Lighting In 
Green Off
On mode Projector is on and operating.
Lighting In 
Green Blinking In 
Red 
( Slow ) Cool down mode Projector is in cool down mode 
and will not respond to user 
input.
In abnormal status~~~
POWER LAMPCONDITIONS
DESCRIPTION
Blinking In 
Green Blinking In 
Red 
( Fast ) Fan fault mode The projector has detected a 
problem of a slow internal fan 
speed. The lamp will shut off 
automatically. Contact your 
dealer. 
Blinking In 
Green Lighting In 
RedLamp cover open The lamp cover is open or there 
is a problem with the lamp. If the 
lamp door is closed and replacing 
the lamp does not correct the 
issue, contact your dealer.
Blinking
In Green (Fast) Blinking In 
Red 
( Fast ) High temperature The projector has overheated and 
shut itself down.
Correct the over temperature 
condition immediately.
1.  
Check that the ventilation slots 
are free from obstructions.
2.   Check the cleanliness of the 
air	filter.
Blinking In 
Green (Slow) Blinking In 
Red 
(Slow) Lamp fail The lamp does not light. Come 
back to " stand by mode ", and 
press the power button. 
						

							64
Troubleshooting
Error For Machine Defects
The following problems may be confused with a machine defect. Check and \
follow the 
table. If it couldn’t be improved, contact your dealer.
SymptomCause / Remedy
Projector power
does not turn on.The power cord is disconnected.
Plug the power cord into an AC outlet.
Intending to turn on the projector again during the cool down 
mode.
Wait until the cool down mode has completed.
There is no lamp and/or lamp cover is not firmly closed.
Please turn off the power and disconnect the power plug from the power 
outlet.	Check	if	the	lamp	is	installed	or	the	lamp	cover	is	firmly	closed	
and turn on the power again.
Power cord has impaired.
When you touch the power cord, the indicator goes on then off, please 
remove the power cord and connect it again. If the situation is repeated\
, 
remove the power cord and contact your dealer.
No image The input is not connected correctly.
Select the appropriate input source.
No signal input.
Connect correctly.
The lens cover is attached to the lens.
Remove the lens cover.
Colors are pale Color density and color matching are not adjusted correctly.
Adjust the RGB setting.
Color lose.
Caused by poor VGA cable connection.
Abnormal brightness 
& contrast Brightness and contrast are not adjusted correctly.
Adjust the brightness and contrast setting.
The lamp is near the end of its service life.
Replace with a new lamp.
Video is blurred The projection lens is not focused.
Adjust the focus using the focus ring.
The lens is dirty or misty.
Clean the lens. 
						

							65
Troubleshooting
Error For Machine Defects
SymptomCause / Remedy
No audioThe projector is not connected correctly.
Check audio cable if connect correctly.
The volume is set to minimum.
Adjust the volume.
Mute is turned on.
Press the MUTE button.
Remote control is 
not working. No battery.
Before using the remote control, please check the battery of remote 
control.
Remote signal is obstructed.
Remove the obstacle between projector and remote control. 
						

							66
Troubleshooting
List of Supported Monitor Displays
Computer mode
SignalRefresh Rate (Hz) Resolution (dots)
VGA 60 640x480
VESA 60/72/75/85 640x480
SVGA 56/60/72/75/85 800x600
XGA 60/70/75/85 1024x768
SXGA 70/75 1152x864
SXGA 60/75 1280x960
SXGA 60 1280x1024
WXGA 60/75 1280x800
WXGA+ 60/75/85 1440x900
SXGA + 60/75 1400x1050
UXGA 60 1600x1200
WSXGA+ 60 1680x1050
MAC 67 1280x1024/640x480
MAC 75 832x624
MAC 75 1024x768
MAC 75 1152x870
Component (Y,Pb,Pr)
Signal Refresh Rate (Hz) Resolution (dots)
SDTV(480i) 30 720x480
SDTV(480p) 60 720x480
HDTV(720p) 60 1280x720
HDTV(1080i) 30 1920x1080
Composite / S-Video
Signal Refresh Rate (Hz) Resolution (dots)
TV(NTSC) 60 720x480
TV(PAL,SECAM) 50 720x576 
						

							Appendix
Menu Tree (PC Mode)
AUDIOContrast
Sharpness
NaturalCinema
Daylight Green Board
White Board
Black Board
Volume
Mute
H Position
Frequency
ADVANCED Blank Power Off
DVI-I
PIN Lock ProtectionOn 1
On 2
FrontCeiling Rear
Ceiling And Rea
r
Freeze
English…]ÛLþ_Í


Français
Deutsch
Italiano
Polski
Português
Español
ไทย
Svenska
1:1 MAC ADDR.
PICTURE
Brightness
SETTING V Position
Phase
Auto Keystone
V Keystone Auto Sync
Auto Search
Zoom / Pan
Blank 
Reset
Resize
4:3
16:9
Language
Select Source
Logo Setting RGB 2
RGB 1
Y,Pb,PrVideoS-VideoLogo Mode
Logo Capture
Background
Logo Size
Display Mode
PRESENTATION Auto Ceiling
Lamp Mode
Lamp
Reset Lamp Timer
SECURITY Off
Modify PINFilter Timer
Reset Filter Timer
Filter Counter 500 hours
800 hours
1000 hours
User
Dutch

*DVI doesn’t support H / V POSITION, PHASE, FREQUENCY, AUTO SYNC function. 
						

							Appendix
AUDIOContrast
Sharpness
NaturalCinema
Daylight Green Board
White Board
Black Board
Volume
Mute
ADVANCED Blank Power Off
DVI-I PIN Lock Protection
On 1
On 2
FrontCeiling
Rear
Ceiling And Rear
Freeze
Englis h…]ÛLþ_Í


Français
Deutsch
Italiano
Polski
Português
 
Español
ไท ย
Svenska MAC ADDR.(optional)
PICTURE
Brightness
SETTING
Auto Keystone
Auto Sync
Auto Search
Zoom / Pan
Blank 
Reset
Resize
Language
Select Source
Logo Setting RGB 2
RGB 1
Y,Pb,PrVideoS-VideoLogo Mode
Background Logo Size
Display Mode
PRESENTATION
Auto Ceiling
Lamp ModeLamp
Reset Lamp Timer
SECURITY Off
Modify PINFilter Timer
Reset Filter Timer
Filter Counter 500 hours
800 hours
1000 hours
Color
Tint
OffClose Caption C.C1
C.C2
C.C3
C.C4
T1
T2
T3
T4
User
1:1 4:3
16:9
Dutch
Menu Tree (Video Mode)