Lochinvar ProtoNode Start-up Guide
Page 30 of 56
Appendix A.4 LED Diagnostics for Communications Between ProtoNode and Devices
See the diagram below for ProtoNode FPC-N54 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.
RX1 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 29: Diagnostic LEDs
FPC-N54
Diagnostic LEDs
