FUJITSU 50FH5037E-02 - Manual (Page 34)

Table 3.2 Lamp names and functions
Name Color Functions
Power Green Indicates the power>on state of the device.
Ready Green In manual mode, this lamp indicates that the read operation
is in progress.
Check Yellow Lights when there is a fault in the device.
3 $ 8 50FH5037E>02