BenQ LK990 User Manual page 8

LED Indicators
Light
Orange On Off
Green Flashing Off
Green On Off
Orange Flashing Off
Red Flashing Red Flashing
Green On Off
Green On Off
Red On Off
Green On Off
Green On Green On
Green On Off
Off Off
Off Off
Red On Red On
Red On Red Flashing
Red On Green On
Red On Green Flashing
Red Flashing Red On
Red Flashing Red Flashing
Red Flashing Green On
Red Flashing Green Flashing
Red On Orange On
Red On Orange Flashing
Green On Red On
Green On Green Flashing
Green Flashing Red On
Green Flashing Green Flashing
Red On Red On
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Power events
Off Stand-by mode
Off Powering up
Off Normal operation
Off Normal power-down cooling
Red Flashing Downloading
Red On Color wheel start fail
Red Flashing Phosphor wheel start fail
Red On Scaler reset fail
Off Burn-in ON
Green On Burn-in OFF
Light source events
Orange On Light source life exhausted
Red On Light source error in normal operation
Orange Flashing Light source is not lit up
Thermal events
Off Fan 1 error (the actual fan speed is outside the desired speed)
Off Fan 2 error (the actual fan speed is outside the desired speed)
Off Fan 3 error (the actual fan speed is outside the desired speed)
Off Fan 4 error (the actual fan speed is outside the desired speed)
Off Fan 5 error (the actual fan speed is outside the desired speed)
Off Fan 6 error (the actual fan speed is outside the desired speed)
Off Fan 7 error (the actual fan speed is outside the desired speed)
Off Fan 8 error (the actual fan speed is outside the desired speed)
Off Fan 9 error (the actual fan speed is outside the desired speed)
Off Fan 10 error (the actual fan speed is outside the desired speed)
Off Temperature 1 error (over limited temperature)
Off Thermal IC #1 I2C connection error
Off Temperature 2 error (over limited temperature)
Off Thermal IC #1 I2C connection error
Red On Liquid in liquid cooler pump is insufficient
Status & Description