YASKAWA FSDrive-MV1S Instructions Manual page 189

LED indicators on the controller and CCB (cell control board) (For reference)
The following describes the LED indicators on the controller in the Control Panel and the CCB in the Power
Cell Panel, which to display operation status and faults for reference. Since the FSDrive-MV1S is a medium-
voltage device, do not check the LED indicators while power is being supplyed.
LED indicators on the controller
The controller has two types of LED indicators: An LED indicator that displays the controller status, and an
LED indicator that displays the cell status detected by the controller.
Controller
Controller Status LED
POWER (Green)
RUN (Green)
ERROR (Red)
ALM (Red)
BAT ALM (Red)
Cell Status LED
READY (Green)
RUN (Green)
ERROR (Red)
BB (Red)
PH_A RANK0 to 8 (Red) : Lit when a U-phase rank 0 to 8 cell fault occurs.
PH_A RANK0 to 8 (Red) : Lit when a V-phase rank 0 to 8 cell fault occurs.
PH_A RANK0 to 8 (Red) : Lit when a W-phase rank 0 to 8 cell fault occurs.
Cover
POWER
ERROR
BAT_ALM
Fig 7.1 LED on Controller
: Lit when control power is on.
: Lit when controller is operating.
: Lit when a controller fault occurs.
: Lit when an alarm occurs in controller.
: Lit when battery voltage has dropped.
: Lit when interface circuit of the cell is operating.
: Lit when interface circuit of the cell is normal.
: Lit when a fault in the interface circuit of the cell occurs.
: Lit during baseblock.
Protective and Diagnostic Functions
RUN
ALM
7
7-