YASKAWA FSDrive-MV1000 - LED Indications on the Cell Control Board

5.8 LED Indicators on the Controller and CCB (Cell Control Board)
YASKAWA ELECTRIC EZZ010928 FSDrive-MV1000 Instructions 147
Troubleshooting
5
◆ LED Indications on the Cell Control Board
The LEDs on the cell control board mounted in a Power Cell indicate the power supply status of the cell control board
and the operation status/fault status of the Power Cell.
Figure 5.2
Figure 5.2 LEDs on the Cell Control Board
PWR (Green): Lit when the control power is on.
FLT (Red): Lit when a Power Cell fault occurs.
LINK (Green): Lit when transmissions to/from the controller are normal.
CHARGE1 (Red): Lit when the DC bus bar voltage Vpc is 50 V or higher.
CHARGE2 (Red): Lit when the DC bus bar voltage Vcn is 50 V or higher.
Never touch the Power Cell while any of these LED indicators are lit.
The LED indications for the Power Cell ready status, normal operation status, and fault status are shown in the following
table.
Table 5.17 LED Indications on the Cell Control Board
LED
<1>
○ signifies off, ● signifies on, and – signifies an unstable state with the LED going on and off.
Power Cell Ready Status <1> Normal Operation <1> Fault <1>
PWR (Green)
●●●
FLT (Red)
○○●
LINK (Green)
●●
–
CHARGE1 (Red)
●●●
CHARGE2 (Red)
●●●
CHARGE1
CHARGE2
PWR
FLT
LINK
<Position of the cell control board>
Power Cell
<When the cell control board’s cover is removed>
Cell control board