BenQ CH100 User Manual page 62

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62 Maintenance
Thermal events
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Fan 1 error (the actual fan speed is ±25%
outside the desired speed)
Fan 2 error (the actual fan speed is ±25%
outside the desired speed)
Fan 3 error (the actual fan speed is ±25%
outside the desired speed)
Fan 4 error (the actual fan speed is ±25%
outside the desired speed)
Temperature 1 error (over limited
temperature)
Thermal IC#1 I2C connection error
Temperature 2 error (over limited
temperature)