Delta Elec. Inc.
EP7155i & EP1691i
Company Confidential Optoma_______________________ Delta____________
22
2010/01/11
Y
Y
Y
Yes
LAMP
：
3
Blinks
LAMP
：
2
Blinks
POWER
:
4
Blinks
POWER: 6 Blinks
POWER:
7
Blinks
• Connector CN344 of Fan disconnected
•
Lamp fan
malfunction
•Thermal Break Sensor error
•Thermal Break Sensor disconnected.
• Connector CN2 (MIS PWB) of Fan disconnected
•
Blower fan
malfunction
•Lamp Cover or thermostat Ass’y is not attached.
•Switch (CN343) is open malfunction
Yes
POWER:
9
Blinks
Lamp does not light
：
No lighting operation sound (ignition sound) exists.
• Flexible cable of Color Wheel Ass’y is disconnected (CN373) or
broken.
• Color Wheel Ass’y malfunction (does not rotate).
• Main Board Ass’y malfunction (Color Wheel Ass’y does not rotate).
•
Power Supply Unit malfunction.
• Index board malfunction (color wheel turns fast).
• C/W MIS PWB (CN1) MIAN BOARD (CN371) is disconnected
or broken.
POWER:
5
Blinks
Lamp: OFF
Temp: OFF
Lamp does not light
：
lighting operation sound (ignition sound)
exists.
• Main Board and Ballast Board Ass’y malfunction
•
Ballast Connector (P1) or LVPS unit (con1) disconnected
• Lamp failure (Lamp is broken, damaged, or burst)
The lamp is ON
Turn the
power ON
Image
Display
No
No
• Connector CN340 of Fan disconnected
•
Pow
er
fan
malfunction
LAMP
：
1
Blinks
Yes
No
No
