Mitsubishi Electronics HC7800D Projector User Manual


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EN-57
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.
STATUS indicator
POWER indicator
Normal condition
POWER
STATUS CONDITION NOTE
Steady
red
Off
Stand-by
Blinking
green
Lamp stand-by for power-off The power cannot be turned on by pressing
the POWER button.
Steady
green
Blinking
green
Lamp stand-by for power-on The power cannot be turned off by pressing
the POWER button.
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
The lamp operation time exceeds the time elapsed
until the shut-off time notice while the power is on.
(See page 48.)
Replace the lamp.
Change with a new lamp if this problem
recurs.
Steady
red
Blinking red
The lamp operation time exceeds the time elapsed
until the shut-off time notice while the power is off.
(See page 48.)
Steady red
The lamp operation time exceeds the time elapsed
until the shut-off time. (See page 48.)
Blinking
green/red
Off
The lamp cover isn’t closed. Close the cover correctly.
Steady
or
Blinking
Abnormal. Contact your dealer.
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