Bryant 548J*14D User Manual
Page 26
26
C07170
Fig. 48 -- BACview
6
Handheld Connections
Table 3 – LEDs
The LEDs on the RTU--MP show the status of certain functions
If this LED is on...
Status is...
Power
The RTU MP has power
Rx
The RTU MP is receiving data from the network segment
Tx
The RTU MP is transmitting data over the network segment
DO#
The digital output is active
The
Run and Error LEDs indicate control module and network status
If Run LED shows...
And Error LED shows...
Status is...
2 flashes per second
Off
Normal
2 flashes per second
2 flashes,
alternating with
Run LED
Five minute auto---restart delay after system error
2 flashes per second
3 flashes,
then off
Control module has just been formatted
2 flashes per second
4 flashes,
then pause
Two or more devices on this network have the
same ARC156 network address
2 flashes per second
On
Exec halted after frequent system errors or
control programs halted
5 flashes per second
On
Exec start---up aborted, Boot is running
5 flashes per second
Off
Firmware transfer in progress, Boot is running
7 flashes per second
7 flashes per second, alternating with
Run LED
Ten second recovery period after brownout
14 flashes per second
14 flashes per second,
alternating with Run LED
Brownout
On
On
Failure. Try the following solutions:
S
Turn the RTU---MP off, then on.
S
Format the RTU---MP.
S
Download memory to the RTU---MP.
S
Replace the RTU---MP.
548J
*14D