BenQ SX930 Service Manual page 142

Chapter 5 - Error Count Messages Definition
Error Count Definition
Lamp Lit Fail Power on lit fail twice
count
Lamp Both Fail Lamp Both off
abnormally
Lamp Fail Lamp Off abnormally
Fan 1 Speed Power Out Fan Speed
Error Error
Fan 2 Speed Lamp Fan Speed
Error Error
Fan 3 Speed Blower Fan2 Speed
Error Error
Fan 4 Speed Blower Fan1 Speed
Error Error
Fan 5 Speed DMD Fan Speed
Error Error
Fan 6 Speed Power In Fan Speed
Error Error
Fan 7 Speed Ballast Fan Speed
Error Error
Sensor 1 Open Main Board Thermal
Error Sensor Error
Sensor 1 Short Main Board Thermal
Error Sensor Error
Temperature 1 Over temperature
Error
Color Wheel Start the Color wheel
Error Error
Color Wheel Color Wheel Spin
Spin Error Error
Fan IC I2C Fan IC I2C Error
Error
Specification
power on lit fail twice
count
Lamp Both off
abnormally
System Detect
LampLit NG
Speed Over ± 25%
Speed Over ± 25%
Speed Over ± 25%
Speed Over ± 25%
Speed Over ± 25%
Speed Over ± 25%
Speed Over ± 25%
Detect Sensor
1 (open)
Detect Sensor
1 (short)
Thermal sensor
detects >61℃
Color wheel operating
NG
Color Wheel Spin
Error
Fan IC I2C Error
142
Repair Action(Check/Replace
Parts)
1. Check Lamp Start wire connection
2. Check Lamp
3. Check Ballast board
4. Check Power board
5. Check Main board
1. Check Lamp Start wire connection
2. Check Lamp
3. Check Main board
1. Check Lamp Start wire connection
2. Check Lamp
3. Check Ballast board
4. Check Power board
5. Check Main board
1. Check Fan1 wire connection
2. Check Fan1
3. Check Main board
1. Check Fan2 wire connection
2. Check Fan2
3. Check Main board
1. Check Fan3 wire connection
2. Check Fan3
3. Check Main board
1. Check Fan4 wire connection
2. Check Fan4
3. Check Main board
1. Check Fan5 wire connection
2. Check Fan5
3. Check Main board
1. Check Fan6 wire connection
2. Check Fan6
3. Check Main board
1. Check Fan7 wire connection
2. Check Fan7
3. Check Main board
1. Check Thermal sensor 1
2. Check Main board
1. Check connection between C/W
and M/B
2. Check Color wheel
3. Check CW sensor board
4. Check main board
1. Check connection between C/W
and M/B
2. Check Color wheel
3. Check CW sensor board
4. Check main board
1. Check main board