5.8 LED Indicators on the Controller and Cell Control Board
YASKAWA ELECTRIC TOEP C710687 02B FSDrive-MV1000 Instructions 177
5.8 LED Indicators on the Controller and Cell Control Board
The following section describes the LED indicators on the controller in the control panel and on the Cell Control Board
(CCB) in the Power Cell panel. These indicators display operation statuses and faults.
u 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 Power Cell status detected by the controller.
Figure 5.1
Figure 5.1 LED on Controller
Power Cell Status LEDs:
PH_A RANK1 to 5 (Red): Lit when a phase-U rank 1 to 5 Power Cell fault occurs.
PH_B RANK1 to 5 (Red): Lit when a phase-V rank 1 to 5 Power Cell fault occurs.
PH_C RANK1 to 5 (Red): Lit when a phase-W rank 1 to 5 Power Cell fault occurs.
BYPS RANK1 to 5 (Red): Lit when a fault occurs in a rank 1 to 5 Power Cell for bypass.
• Controller Status LEDs
BAT (Red): Lit when the voltage of the battery housed in the controller drops.
ERR (Red): Lit when a fault occurs in the controller.
RUN (Green): Lit during operation of the controller.
PWR (Green): Lit when the controller is powered on.
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