Indicators - Mitsubishi Electric HC4900 User Manual

Indicators

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.
Normal condition
POWER STATUS
Steady
Off
red
Steady Blinking
green green
Steady Steady
green green
Abnormal condition
POWER STATUS
Steady
green
or
Blinking orange
Steady
red
Steady
Blinking green
red
Steady
Blinking green/red
green
Steady
Blinking red
red
Steady
Steady red
red
Blinking
Off
green/red
Steady
or
Blinking
green/red
Blinking
* 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
* Duration when LAMP MODE is set to STANDARD, this duration will be shorted up to 2000 hours.
STATUS indicator
CONDITION
Stand-by
Lamp stand-by (about 1 minute)
The power is on. (Normal condition)
CONDITION
Abnormal temperature
• The ventilation grilles are clogged with dust or dirt.
• The room temperature is high.
The protection circuit is working or the lamp is in an
abnormal condition.
Lamp operation time warning. (Total lamp operation
time reached 3750 hours* 1
Lamp operation time warning. (Total lamp operation
time reached 3750 hours* 1
Lamp operation time warning. (Total lamp operation
1
time reached 5000 hours*
The lamp cover isn't closed.
Abnormal.
POWER indicator
while the power was on.)
while the power was off.)
2
* while the power was off.)
EN-41
NOTE
The POWER button cannot be used to
switch between on and off.
POSSIBLE SOLUTION
• Clean the ventilation grilles.
• Relocate the projector to a cooler place.
• Wait until the STATUS indicator goes out,
then press the POWER button.
• If the above solution is not effective,
replace the lamp.
Replace the lamp.
Change with a new lamp if this problem
recurs.
Close the cover correctly.
Contact your dealer.