JLG 460SJ ANSI Service Manual - Manual (Page 135)

SECTION 3 - CHASSIS & TURNTABLE
3120788 – JLG Lift – 3-81
Green and either Amber light followed by a red light.
or
then
Action:
1. Inspect and clean wiring connections.
2. Examine throttle linkage for any damage or bent
components and correct.
3. With linkage disconnected, check each potentiome-
ter for operation.
4. Reconnect linkage and reset each potentiometer for
correct operation.
5. If failure continues to occur, replace unit.
Only green light on and no actuator movement
Action:
1. Adjust trim potentiometers.
2. If problem continues, replace unit.