![background image](http://html1.mh-extra.com/html/benq/mu686/mu686_user-manual_2734750056.webp)
Maintenance
56
Indicators
Light
Status & Description
Power events
Orange
Off
Off
Stand-by mode
Green
Flashing
Off
Off
Powering up
Green
Off
Off
Normal operation
Orange
Flashing
Off
Off
Normal power-down cooling
Red
Flashing
Red
Flashing
Red
Flashing
Download
Green
Off
Red
CW start fail
Red
Flashing
Off
Off
Scaler shutdown fail (data abort)
Red
Off
Red
Scaler reset fail (video projector only)
Green
Off
Off
Burn-in ON
Green
Green
Green
Burn-in OFF
Lamp events
Off
Off
Red
Lamp1 error in normal operation
Off
Off
Orange
Flashing
Lamp is not lit up
Green
Off
Orange
Lamp life exhausted
Off
Green
Red
Lamp door is open
Thermal events
Red
Red
Off
Fan 1 error (the actual fan speed is outside the
desired speed)
Red
Red
Flashing
Off
Fan 2 error (the actual fan speed is outside the
desired speed)
Red
Green
Off
Fan 3 error (the actual fan speed is outside the
desired speed)
Red
Green
Flashing
Off
Fan 4 error (the actual fan speed is outside the
desired speed)
Green
Red
Off
Temperature 1 error (over limited temperature)