BenQ HT5550 User Manual page 44

Indicators
: Off
44 Maintenance
Light
: Orange On
: Orange Flashing
Power events
Stand-by mode
Powering up
Normal operation
Normal power-down cooling
Download
Color wheel start failed
Scaler reset fail (video projector only)
Lamp/light source life exhausted
Lamp door is not closed
Burn-in ON
Burn-in OFF
Lamp events
Lamp/light source error in normal operation
Lamp/light source is not lit up
Thermal events
Fan 1 error (the actual fan speed is outside the desired
speed)
Fan 2 error (the actual fan speed is outside the desired
speed)
Fan 3 error (the actual fan speed is outside the desired
speed)
Fan 4 error (the actual fan speed is outside the desired
speed)
Fan 5 error (the actual fan speed is outside the desired
speed)
Temperature 1 error (over limited temperature)
Thermal IC#1 I2C connection error
: Green On
: Green Flashing
Status & Description
: Red On
: Red Flashing