Carrier 50HCQ Installation Instructions Manual page 40

The LEDs on the RTU Open Controller show the status of certain functions
If this LED is on...
Power
Rx
Tx
BO#
The Run and Error LEDs indicate control module and network status
If Run LED shows...
2 flashes per second
2 flashes per second
2 flashes per second
2 flashes per second
2 flashes per second
5 flashes per second
5 flashes per second
7 flashes per second
14 flashes per second
On
NOTE: Refer to the RTU Open Multi−Protocol Controller
Controls, Start−Up, Operation and Troubleshooting manual
for complete configuration of the RTU Open controller
operating sequences and troubleshooting information. Refer
to the RTU Open v3 Integration Guide for details on
configuration and troubleshooting of connected networks.
Have a copy of these manuals available at unit start−up.
Access
Port
J12
Connect to
computer's
USB port
USB Link Kit
Fig. 65 − PC Running Field Assistant
Table 14 – LEDs
Status is...
The RTU Open controller has power
The RTU Open controller is receiving data from the network segment
The RTU Open controller is transmitting data over the network segment
The binary output is active
And Error LED shows...
Off
2 flashes, alternating with Run LED
3 flashes, then off
4 flashes, then pause
On
On
Off
7 flashes per second, alternating
with Run LED
14 flashes per second,
alternating with Run LED
On
P1 P1
P5 P5
-
CR2032
J15
Connect to
the Local
Access port
Status is...
Normal
Five minute auto-restart delay after system error
Control module has just been formatted
Two or more devices on this network have the
same MSTP network address
Exec halted after frequent system errors or
control programs halted
Exec start-up aborted, Boot is running
Firmware transfer in progress, Boot is running
Ten second recovery period after brownout
Brownout
Failure. Try the following solutions:
S Turn the RTU Open controller off, then on.
S Format the RTU Open controller.
S Download memory to the RTU Open controller.
S Replace the RTU Open controller.
40
LOCAL
ACCESS
RNET J13
PORT
+ +12 DVC
Rnet-
MSB LSB
Rnet+
GND
J12
SW1 SW2
RX
SW3
J20
UI-10
on
UI-11
RTU Open
C14131
TX