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Diagnostic LEDs
Option slot
installation
I/O Module Adapter
installation
RDIO-01 User's manual
Chapter 4 – Fault tracing
There are four diagnostic LEDs on the RDIO-01
module. Three green LEDs show the state of each
digital input. Each LED is lit when the corresponding
digital input is activated (logical '1'). A yellow LED
shows the status of the module.
The status LED is lit when the drive is configuring the
module at power-up.
In case the LED does not go out after one second:
• The configuration has failed.
- Cycle the power supply of the drive.
• The module has a hardware failure.
- Ensure the 38-pin connector is properly inserted.
- Contact an ABB service representative.
• There is no communication with the drive.
- Check that the drive is powered.
- Check the module node ID.
- Check that the fibre optic cables are connected
correctly (transmitters to receivers) and the
connectors properly inserted.
- Check the fibre optic cables visually for dirt or
flaws.
- Ensure the 38-pin connector is properly inserted.
- Try new fibre optic cables.
- Contact an ABB service representative.
4-1
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