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Maintenance 51
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
Lamp events
Off Off Red
Lamp error in normal operation
Orange
Flashing
Off Red
Lamp is not lit up
Thermal events
Off Red Off
Fan 1 error (the actual fan speed is +25% outside
the desired speed)
Off Red Red
Fan 2 error (the actual fan speed is +25% outside
the desired speed)
Off Red Green
Fan 3 error (the actual fan speed is +25% outside
the desired speed)
Off Red Orange
Fan 4 error (the actual fan speed is +25% outside
the desired speed)
Orange Red Red
Temperature 1 error (over limited temperature)
Red Red Red
Thermal Sensor 1 open error
Green Red Red
Thermal Sensor 1 short error
Off Green Red
Fan IC #1 I2C Connection error
Orange Red Green
Temperature 2 error (over limited temperature)
Red Red Green
Thermal Sensor 2 open error
Green Red Green
Thermal Sensor 2 short error
Off Green Orange
Fan IC #2 I2C Connection error
Off Red Off
Fans do not rotate in the process of powering up