Leds - ABB ACS880-207LC Hardware Manual

88 Maintenance

LEDs

This table shows the LEDs visible on the BCU-xx control unit.
LED Color
BATT OK Green
PWR OK Green
FAULT Red
WRITE Yellow
The ACX-AP-x control panel has a status LED. The control panel mounting platform or
holder has two status LEDs. For their indications, see the following table.
Location LED
Control panel Continuous green
Flickering green
Blinking green
Continuous red
Blinking red
Blinking blue (ACS-
AP-W only)
Flickering blue
(ACS-AP-W only)
Control panel Red
mounting platform or
Green
holder (with the con-
trol panel removed)
Frame R8i modules have three LEDs. For their indications, see the following table.
Location LED
R8i module FAULT
(continuous red)
ENABLE / STO
(continuous green)
ENABLE / STO
(continuous yellow)
POWER OK
(continuous green)
Indication
Battery voltage of the real-time clock is OK (higher than 2.8 V).
When the LED is not lit,
• battery voltage is below 2.8 V,
• the battery is missing, or
• the control unit is not powered.
Internal voltage OK
The control program indicates that the equipment is faulty. See
the appropriate firmware manual.
Writing to SD card in progress.
Indication
The unit is functioning normally.
Data is transferred between the PC and the unit through the USB
connection of the control panel.
There is an active warning in the unit.
There is an active fault in the unit.
There is a fault that requires the stopping and restarting of the
drive/converter/inverter.
The Bluetooth interface is enabled, in discoverable mode, and
ready for pairing.
Data is being transferred through the Bluetooth interface of the
control panel.
There is an active fault in the unit.
Power supply for the control unit is OK.
Indication
There is an active fault in the module.
The module is ready for use.
XSTO connectors are de-energized.
Supply voltage of the internal circuit boards is OK (> 21 V).