Outline of self-diagnosis function
This projector is provided with the self-diagnosis function. In case of any failure, the LED at the top of the projector will indicate
the failure.
Diagnosis result indication
LED indication and failures are described in the following table. LED can be reset “automatically” or “by turning on/off of the
main power” after the failure is corrected.
- 1 -
DIAGNOSIS INFORMATION
---
: LED off
Orange
: Both Red and Green light
LED Error Indication List
Preferen
-tial
order
1
Symptom
STBY12 is
not supplied.
STBY12 is
supplied
No power-on
Failure
AC system (Primary power source)
failure
Secondary power source failure
LED failure
Unplug and
plug the
power cord.
Unplug and
plug the
power cord.
Unplug and
plug the
power cord.
POWER
KEYPAD
POWER
PJ3 connector 4,6-pin
(STBY12) , F2
LED1
F1
Cooling fan (power) stopped
Unplug and
plug the
power cord.
MAIN
J9 (FAN 1) connector
Reset
Check Point
PCB
Reference
LED Indication
POWER
---
---
3
Red / green
alternately
Red
STATUS
Cooling fan (exhaust) stopped
Unplug and
plug the
power cord.
MAIN
J8 (FAN 2) connector
No power-on
IIC bus failure of EEPROM
Unplug and
plug the
power cord.
MAIN
U57, SCL0, SDA0
4
Red / green
alternately
Green
No power-on
Lamp cover open
Auto
MAIN
J5 connector,
Lamp cover
2
Red / green
alternately
---
Cooling fan (optical) stopped
Unplug and
plug the
power cord.
MAIN
J7 (FAN 3) connector
No power-on
STBYR5 power failure
Unplug and
plug the
power cord.
POWER,
MAIN
J12 connector 2-pin
(STBYR5)
5
Red / green
alternately
Orange
No power-on
Disconnected thermister
Unplug and
plug the
power cord.
MAIN
TEMP3 connector
6
Red / green
alternately
Orange
flash
7
Red
Orange
flash2
No power-on after
power-off during
power-on
High temperature of the power
source
Unplug and
plug the
power cord.
POWER,
MAIN
Temperature of the heatsink of
the power source
J12 connector 4-pin (POW-
TMP)
