Delta Elec. Inc. EP7155i & EP1691i
Company Confidential Optoma_______________________ Delta____________
22
2010/01/11
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) o
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
•Power fan malfunction
LAMP:1 Blinks
Yes
No
No