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This Projector provides a function which can be specified a defective area simply by indicating the LEDs. Connect the AC
power cord, MAINS SW ON, and press the POWER ON/OFF button once and then check the LED indication.
● LED indication and error condition
No power
(Primary circuit)
AC cord, Fuse, Varistor,
Power board
Troubleshooting
✽
The projector is detecting abnormal condition.
✽
✽
✽
✽
✽✽✽
ERROR CONDITION CHECK POINT
Indicators
Lamp
red
Ready
green
Warning
TEMP.
red
Lamp
REPLACE
orange
Temperature failure
Inside temperature is elevated
close to the abnormally high level.
Air Filter
Intake vents
Temperature failure
Inside temperature is abnormally
high. -----> Cooling
Air Filter
Intake vents
Temperature failure
Inside temperature returns to nor-
mal. -----> Standby
Air Filter, Intake vents
Turning on
----> Blinking stop
Lamp failure
Any of 4 lamps becomes out, Lamp
Mode is changed over from 4
lamps to 2 lamps
Lamp,
Lamp Ballast Unit
PFC unit
✽
Lamp failure
Lamps become out
---> Cooling
Lamp,
Lamp Ballast Unit,
PFC unit
✽
Lamp failure
Lamps become out
---> Standby
Lamp, Lamp Ballast Unit, PFC unit
Turning on
----> Blinking stop
Lamp Lifetime over Lamp replacement
Power failure
(Secondary circuit)
Power failure signals,
Fan lock signals,
Lamp Cover SW, Thermal SWs
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