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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 f rom the network segment
Tx The RT U MP is transmitting data over the network segment
DO# The digital output is active
The Ru n and Error LEDs indicate control module and network status
If Run LED shows...
And Error LED show s... Status is...
2 flashes per s ec o nd Off Normal
2 flashes per s ec o nd
2flashes,
alternating with Run LED
Five minute auto---rest art delay after system error
2 flashes per s ec o nd
3flashes,
then off
Control module has just been formatt ed
2 flashes per s ec o nd
4flashes,
then pause
Two o r more devices on this network have the
same ARC156 network address
2 flashes per s ec o nd On
Exec halted after frequent system errors or
control p rograms halted
5 flashes per s ec o nd On Exec start---up aborted, Boot is running
5 flashes per s ec o nd Off Fir mware transfer in progress, Boot is running
7 flashes per s ec o nd
7 flashes per s ec o nd, alternating with
Run LED
Ten second rec overy period after brownout
14 flashes per sec ond
14 flashes per second,
alternating with Run LED
Browno ut
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