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Additional Information
LAARS ProtoNode Start-up Guide
42
9.4
LED Diagnostics for Communications Between ProtoNode and Devices
See the diagram below for ProtoNode LED Locations.
Tag
Description
SS
The SS LED will flash once a second to indicate that the bridge is in operation.
ERR
The SYS ERR LED will go on solid indicating there is a system error. If this occurs, immediately report
the related “system error” shown in the error screen of the FS
-GUI interface to support for evaluation.
PWR
The power light should always show steady green when connected to a functioning power source.
RX
The RX LED will flash when a message is received on the serial port on the 3-pin connector.
If the serial port is not used, this LED is non-operational. R
X1 applies to the R1 connection while
RX2 applies to the R2 connection.
TX
The TX LED will flash when a message is sent on the serial port on the 3-pin connector.
If the serial port is not used, this LED is non-operational.
TX1 applies to the R1 connection while
TX2 applies to the R2 connection.
Figure 44: Diagnostic LEDs
FPC-N54
Diagnostic LEDs
LAARS Heating Systems
20
Industrial Way, Rochester, NH, USA 03867
•
(800) 900-9276
•
www.Laars.com
