EAGLEHAWK NX CONTROLLER – INSTALLATION & COMMISSIONING INSTRUCTIONS
EN1Z-1039GE51 R1218 50
L2 LED
Table 31. EAGLEHAWK NX controller bus L2 LED
case bus LED
L2
meaning remedy
1
ON con-
tinuously after
power-up
Platform has started / is reachable.
No action necessary.
2
OFF
Station is not running.
► Start station (enable auto start).
► Contact TAC.
3
Flashing
Station has started.
No action necessary.
Tx and Rx LEDs
Table 32. EAGLEHAWK NX controller bus LEDs Tx and Rx
case bus LEDs
Tx Rx
meaning remedy
1
Both Tx and Rx
are flashing
Normal operation; RS485-1 is functioning
properly.
No action necessary.
► In case of communication problems, check settings
(communication rate, parity, etc.).
2
Both Tx and Rx
are OFF
No communication on RS485-1.
► Switch ON communication on RS485-1. L1 should
then flash. Further handling like case 4 (below).
3
Rx is flashing
and Tx is OFF
Communication on RS485-1 has been
switched OFF, but the EAGLEHAWK NX is
receiving data from other controllers.
► Switch ON communication on RS485-1. If this
proves unsuccessful, the hardware may be
defective.
4
Tx is flashing
and Rx is OFF
The EAGLEHAWK NX controller is
attempting to establish communication on
RS485-1, but there is no answer.
► The communication rate (kbps) on RS485-1 has not
been correctly set; other controllers on the bus may
have been incorrectly assigned the same device
number; wiring problem or hardware defect.
Panel Bus I/O Module Troubleshooting
Please refer to CentraLine I/O Modules - Installation & Commissioning Instructions (EN1Z-0973GE51) for more information
about Panel Bus I/O module troubleshooting.