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Advanced cooling module (ACM) LEDs
The Altos S300 series has two variable speed fans per advanced cooling
module. Each of the two ACMs on the rear of the Altos S300 series
enclosure has two fault LEDs visible from the rear. The LEDs are
labeled 1 and 2 to correspond with the two fans inside the ACM
assembly. These LEDs are normally off, and will only be on when a
fault is detected in a fan by the ES block.
Note: The audible alarm will sound when an error is detected.
The alarm can be muted using the Alarm Mute Button.
Front of ACM
Fan2
Fan Location within ACM
Fan 1 Fault
1
Fan 2 Fault
2
Fan1
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