ABB ACS880-207LC, Hardware Manual

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