M120 Control Board (CB) LEDs
Table 1 describes the functions of the Control Board LEDs.
Table 1: M120 Control Board LEDs
Label |
Color |
State |
Description |
|---|---|---|---|
OK |
Green |
On steadily |
Control board is functioning normally. |
FAIL |
Yellow |
On steadily |
Control board has failed. |
MSTR |
Blue |
On steadily |
Control board is master. |





