Sanyo PLC-XF47 Service Manual page 67

● LED indication and error condition
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.
The projector is detecting abnormal condition.
Indicators
Lamp Ready Warning
red green
TEMP.
red
✽
✽
✽
✽
✽ ✽ ✽
ERROR CONDITION
Lamp
REPLACE
orange
No power
(Primary circuit)
Temperature failure
Inside temperature is elevated
✽
close to the abnormally high level.
Temperature failure
Inside temperature is abnormally
✽
high. -----> Cooling
Temperature failure
Inside temperature returns to nor-
✽
mal. -----> Standby
Lamp failure
Any of 4 lamps becomes out, Lamp
Mode is changed over from 4
lamps to 2 lamps
Lamp failure
Lamps become out
---> Cooling
Lamp failure
Lamps become out
---> Standby
Lamp Lifetime over
Power failure
(Secondary circuit)
AC cord, Fuse, Varistor,
Power board
Air Filter
Intake vents
Air Filter
Intake vents
Air Filter, Intake vents
Turning on
----> Blinking stop
Lamp,
Lamp Ballast Unit
PFC unit
Lamp,
Lamp Ballast Unit,
PFC unit
Lamp, Lamp Ballast Unit, PFC unit
Turning on
----> Blinking stop
Lamp replacement
Power failure signals,
Fan lock signals,
Lamp Cover SW, Thermal SWs
- 67 -
Troubleshooting
CHECK POINT