Service Manual

Controller Lights
Lights (LED’s) on the controller indicate when the follow-
ing inputs are made to the controller:
Red:
Transport switch closed (traction bail in neu-
tral).
Green: Aerate start (engage) switch closed. If red
and yellow lights are on, green light will stay on until
either red or yellow goes off.
Yellow: Pump start limit switch closed (machine
lowered to aerate position) and water pressure
switch closed (water pressure of more than 30 psi)
and accumulator charge pressure switch (nitrogen
pressure more than 1800 psi).
1
2
3
1. Red Light 2. Green Light 3. Yellow Light
Hydroject 3000
Page 5–2.1
Rev. B
Wiring Schematics and Diagrams