Sharp PG-M10SE Manual de servicio - Página 20

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PG-M10SU/SE
PG-M10XU/XE
1.Internal temperature detection
The lamp housing has a built-in thermostat which puts out the lamp when the temperature becomes 110°C.
Similarly, the power supply unit and lamp driver have thermostats which terminate power supply and driver operation
when the temperature reaches 120°C and 115°C, respectively.
2.Lamp unit interlocking switch
The lamp will not light up unless the lamp cover is mounted.
3.Fault-finding status LED indicator
When the lamp fails to light up, the status LED indicator starts flickering. Different flickering intervals help identify
the cause. (Refer to the figure at right and the table below.)
LED condition
OFF (kept off)
ON (kept on)
Flickers with a cycle of one
second (0.5 sec. ON and
0.5 sec. OFF)
Flickers with a cycle of 4
seconds (2 sec. ON and 2
sec. OFF)
Flickers with a cycle of 8
seconds (4 sec. ON and 4
sec. OFF)
Flickers with a cycle of 12
seconds (6 sec. ON and
6sec. OFF)

SAFETY DEVICE

Meaning
Normal condition
Total lamp timer has exceeded
1000 hours.
Lamp cover is not mounted cor-
rectly.
Temperature protector is acti-
vated.
Temperature protector still acti-
vated. Power may fail to come
on if the main power switch is
turned on just after it has turned
off.
Lamp light-up voltage error de-
tector is activated.
Fan is nor running.
Lamp fails to light up.
20
Correction
Replace the lamp with new one, and reset the
total lamp timer.
Mount the lamp cover correctly.
If room temperature is too high, relocate the pro-
jector to cooler area. If the projector's internal
temperature rises abnormally, check the cool-
ing fan vent hole and the unit's bottom vent hole.
Clean them if they are clogged.
Wait for one minute, and try again to turn on the
power switch.
Wait for one minute, and try again to turn on the
power switch.
Check the fan.
Wait for one minute or longer, and try again to
turn on the power switch. Make internal check
if the condition is not improved.