Mitsubishi Electronics HC3900 Projector User Manual


 
EN-44
This projector has two indicators, each of which shows the operation condition of the projector.
The following offer solutions to possible problems. If these problem persist, turn the projector off and consult your
dealer.
POWER indicatorSTATUS indicator
Normal condition
POWER
STATUS CONDITION NOTE
Steady red
Off
Stand-by
Steady green Blinking green
Lamp stand-by (about 1 minute) The POWER button cannot be used to
switch between on and off.
Steady green Steady green
The power is on. (Normal condition)
Abnormal condition
POWER
STATUS CONDITION POSSIBLE SOLUTION
Steady green
or
Steady red
Blinking orange
Abnormal temperature
The ventilation grilles are clogged with dust or
dirt.
The room temperature is high.
Clean the ventilation grilles.
Relocate the projector to a cooler
place.
Steady red Blinking green
The protection circuit is working or the lamp is in an
abnormal condition.
Wait until the STATUS indicator goes
out, then press the POWER button.
If the above solution is not effective,
replace the lamp.
Steady green
Blinking green/red
Lamp operation time warning. (Total lamp operation
time reached 3750 hours*
1
while the power was on.)
Replace the lamp.
Change with a new lamp if this problem
recurs.
Steady red Blinking red
Lamp operation time warning. (Total lamp operation
time reached 3750 hours*
1
while the power was off.)
Steady red Steady red
Lamp operation time warning. (Total lamp operation
time reached 5000 hours*
1
*
2
while the power was
off.)
Blinking green/red
Off
The lamp cover isn’t closed. Close the cover correctly.
Blinking green/red
Steady or
Blinking
Abnormal. Contact your dealer.
*1: Duration when LAMP MODE of the INSTALLATION menu is set to LOW. When it is set to STANDARD, this duration will be
shorted.
*2: When LAMP MODE is set to STANDARD, this duration will be shorted up to 3000 hours.
Indicators