BenQ MX550 User Manual page 42

Indicators
Light
: Off
42 Maintenance
Thermal events
: Orange On
: Orange Flashing
Status & Description
Power events
Stand-by mode
Powering up
Normal operation
Normal power-down cooling
Download
CW start fail
Lamp events
Lamp error in normal operation
Lamp is not lit up
Lamp life exhausted
Fan 1 error (the actual fan speed is outside the desired speed)
Fan 2 error (the actual fan speed is outside the desired speed)
Temperature 1 error (over limited temperature)
: Green On
: Green Flashing
: Red On
: Red Flashing