ProAct I/II
Manual 04121
52
Woodward
Chapter 5.
System Troubleshooting Charts
Problem Cause
Remedy
Prime mover will not
start. Actuator not
Supply voltage polarity
reversed, or no supply voltage.
Check for supply voltage from terminals 24 (+) to 25
(–). Reverse leads if polarity is incorrect.
moving to start fuel
position.
If the actuator moves
to start position, a
problem with the
prime mover fuel
supply is indicated.
Actuator not responding to input
signal from control.
If there is a voltage output at control terminals 1 (+)
and 2 (–), but the actuator does not move, check
the wiring to the actuator for opens or shorts.
Check the polarity of the actuator and feedback.
Check actuator and linkage for proper installation
and operation. Problems may be direction of
rotation, linkage, worn components, or improper
adjustment.
Start fuel limit set too low.
Increase start fuel limit until prime mover starts.
Increase Start Ramp.
Speed setting too low on initial
start.
Speed setting may be lower than cranking speed.
Control should be set for rated speed. Increase
Rated Speed setting.
If adjusting Rated Speed does not produce the
correct output, return Rated Speed setting to
normal start position.
Idle Speed setting may be set
too low.
Adjust idle speed.
Run/Stop contact open.
Check terminal 23. Run/Stop contact must be
closed for normal operation. Check monitor menu
for switch position.
Summary of Contents for ProAct I
Page 10: ...ProAct I II Manual 04121 8 Woodward Figure 1 3 Example of ProAct II Actuator...
Page 11: ...Manual 04121 ProAct I II Woodward 9 Figure 1 4 Outline Drawing of ProAct I or II Actuator...
Page 12: ...ProAct I II Manual 04121 10 Woodward Figure 1 5 ProAct Wiring Diagram...
Page 13: ...Manual 04121 ProAct I II Woodward 11 Figure 1 6 Outline Drawing of ProAct Control Box...
Page 39: ...Manual 04121 ProAct I II Woodward 37 Figure 4 2 Typical Transient Response Curves...
