ACS550-02/U2 User’s Manual 291
Maintenance
LEDs
This table describes LEDs of the drive.
Control panel
Cleaning
Use a soft damp cloth to clean the control panel. Avoid harsh cleaners which could
scratch the display window.
Battery
A battery is only used in Assistant Control Panels that have the clock function
available and enabled. The battery keeps the clock operating in memory during
power interruptions.
The expected life for the battery is greater than ten years. To remove the battery, use
a coin to rotate the battery holder on the back of the control panel. Replace the
battery with type CR2032.
Where LED When the LED is lit
Control board Red (blinking) Drive in fault state
Green The power supply on the board is OK.
Control panel mounting platform Red Drive in fault state
Green The main + 24 V power supply for the control panel and the
control board is OK.
OITF board V204 (green) +5 V voltage of the board is OK.
V309 (red) Prevention of unexpected start is ON.
V310 (green) IGBT control signal transmission to the gate driver control
boards is enabled.
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