ABB ACS880-1607, Hardware Manual

Page: 102 / 122

102 Maintenance
LEDs and other status indicators
This section instructs how to interpret the status indications of the ACS880-1607 DC/DC
converter unit.
Warnings and faults reported by the control program are displayed on the control panel on
the cabinet door. For further information, see the firmware manual.
The ACS-AP-x control panel has a status LED. The control panel mounting platform has
two LEDs - a red and a green one. The DC/DC converter module has three LEDs. The
cabinet has from one to three door lamps. For their indications, see the following table. For
the indications of the 7-segment display of the control unit, see
Layout and connections on
page 56 .
Location LED and
indicators Indication
ACS-AP-x control panel
(status LED) Continuous green The DC/DC converter unit is functioning normally.
Flickering green Data is transferred between the PC tool and DC/DC
converter unit through the USB connection of the
control panel.
Blinking green There is an active warning in the DC/DC converter
unit.
Continuous red There is an active fault in the DC/DC converter unit.
Control panel mounting
platform (with the control
panel removed) Red There is an active fault in the DC/DC converter unit.
Green Power supply for the control board of the DC/DC
converter unit is ok.
DC/DC converter module FAULT
(continuous red) There is an active fault in the DC/DC converter
module.
ENABLE / STO
(continuous green) The DC/DC converter module is ready for use.
ENABLE / STO
(continuous
yellow) Safe torque off connectors are de-energized.
POWER OK
(continuous green) Supply voltage on the board is OK (> 21 V).
Cabinet door lamps
Note: When the white
lamps are on, the DC/DC
converter is disconnected
from both the DC bus and
the energy storage.
Charging OK
indicator (green) The DC bus of the converter modules is charged.
The unit is ready for connection to the common DC
bus.
DC/DC converter
disconnected
(white) The DC/DC converter unit is disconnected from the
main DC bus.
Note : Auxiliary voltages are to be disconnected
separately.
Load
disconnected
indicator (white) The disconnector of the energy storage is switched
off. For more information, see
Connecting the energy
storage cable and load disconnected indicator cable
on page 47 .