Carrier AquaEdge 19XR series Start-Up, Operation And Maintenance Instructions Manual page 195

COMMUNICATION LEDS — The LEDs indicate if the
controller is communicating with the devices on the network.
See Tables E and F. The LEDs should reflect communication
traffic based on the baud rate set. The higher the baud rate the
more solid the LEDs become. See Fig. A for location of LEDs
on UPC Open module.
REPLACING THE UPC OPEN BATTERY — The
Open controller's 10-year lithium CR2032 battery provides a
minimum of 10,000 hours of data retention during power
outages.
LED
Lights when power is being supplied to the controller. The UPC Open controller is protected by internal solid-state polyswitches on
POWER the incoming power and network connections. These polyswitches are not replaceable and will reset themselves if the condition
that caused the fault returns to normal.
RX Lights when the controller receives data from the network segment; there is an Rx LED for Ports 1 and 2.
TX Lights when the controller transmits data to the network segment; there is an Tx LED for Ports 1 and 2.
RUN Lights based on controller status. See Table F.
ERROR Lights based on controller status. See Table F.
Table F — Run and Error LEDs Controller and Network Status Indication
RUN LED
2 flashes per second Off
2 flashes, alternating with Run LED
2 flashes per second
2 flashes per second 3 flashes, then off
2 flashes per second 1 flash per second
2 flashes per second On
5 flashes per second On
5 flashes per second Off
7 flashes per second, alternating with Run LED
7 flashes per second
14 flashes per second, alternating with Run LED
14 flashes per second
APPENDIX D — BACNET COMMUNICATION OPTION (cont)
UPC
Table E — LED Status Indicators
ERROR LED
IMPORTANT: Power must be ON to the UPC Open when
replacing the battery, or the date, time, and trend data will be
lost.
Remove the battery from the controller, making note of the
battery's polarity. Insert the new battery, matching the battery's
polarity with the polarity indicated on the UPC Open
controller.
NETWORK POINTS LIST — The points list for the control-
ler is shown in Table G.
STATUS
Normal
Five minute auto-restart delay after system error
Controller has just been formatted
Controller is alone on the network
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
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STATUS