Benq SP840 User Manual

Maintenance

57

When the Lamp indicator lights up red or a message appears suggesting it is time to 
replace the lamp, please install a new lamp or consult your dealer. An old lamp may cause a 
malfunction in the projector and in some instances the lamp may explode.

 for a replacement lamp. 

The following lamp warning displays will remind you to change the lamp.

The lamp has been in operation for 1500 hours. 
Install a new lamp for optimal performance. If the 
projector is normally run with Economic selected 
(See 

), you may continue to operate the projector 

until the 1950 hour lamp warning appears.

The lamp has been in operation for 1950 hours. A 
new lamp should be fitted to avoid the 
inconvenience when the projector runs out of lamp 
time.

The lamp has been in operation for 2000 hours. 

It is strongly recommended that you replace the 
lamp at this age. The lamp is a consumable item. 
The lamp brightness diminishes with use. This is 
normal lamp behavior. You can replace the lamp 
whenever you notice that the brightness level has 
significantly diminished. If the lamp is not 
replaced beforehand, it must be replaced after 
2000 hours usage.

The lamp MUST be replaced before the projector 
will operate normally.