The red led is the power light should be like a heartbeat there is a green led that is the LEN communication with all the other boards. A navigator is not really going to help you much with troubleshooting but a touch pilot might.
Btw what is the primary voltage of the chiller ? If it's 208-230 make sure the transformer in the unit is tapped correctly.
It takes three people to do anything around here. Two do the work, one explains to the crowd of people who showed up when they seen smoke and flames.