Fan Module (FM) Indicators
Each fan module (FM) has two indicators arranged in a single row and from left to right as shown in the following figure of the front of the FM.

| Call Out | Status LED or Button | Icon and Color | Description | 
|---|---|---|---|
| 
                              
                               1  | 
                           
                              
                               Fault-Service Required  | 
                           
                               Amber  | 
                           
                              
                               Indicates a fault state in a fan module: 
  | 
                        
| 
                              
                               2  | 
                           
                              
                               OK  | 
                           
                               Green  | 
                           
                              
                               Indicates the functional state of the fan module: 
  |