1SDH000510R0001
13/28
Page N.
L2388
EP010
ABB SACE
The exact failure cause can be read from FBP (see also next paragraph).
Please note that NO communication between FBP and EP010 is active if there
is
a failure on the relevant serial channel (UART).
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2.9.2 Troubleshooting
Depending on the status and behaviour of the LEDs it’s possible to get locally some informa-
tion:
Table 8. Troubleshooting
NOTE: the PWD LED is always ON if the EP010 is powered.
#
Symptom
Diagnosis
1.
Some or all LEDs still ON after start-up sequence
SW/HW bug
2.
- TX LED flashes (very fast) and
No response from the device
- FAULT LED flashes at 2 Hz and
- FBP LED flashes at 2 Hz
3.
FAULT LED flashes at 2 Hz
- Previously detected fault and
- no communication with the FBP