146 YASKAWA ELECTRIC EZZ010928 FSDrive-MV1000 Instructions
5.8 LED Indicators on the Controller and CCB (Cell Control Board)
5.8 LED Indicators on the Controller and CCB (Cell Control Board)
The following describes the LED indicators on the controller in the control panel and on the CCB in the Power Cell
panel. These indicators display operation statuses and faults.
◆ 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 U-phase rank 1 to 5 Power Cell fault occurs.
PH_B RANK1 to 5 (Red): Lit when a V-phase rank 1 to 5 Power Cell fault occurs.
PH_C RANK1 to 5 (Red): Lit when a W-phase 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 battery voltage has dropped.
ERR (Red): Lit when a fault occurs in the controller.
RUN (Green): Lit when the controller is operating.
PWR (Green): Lit when the control power is on.
Controller
Drive panel
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