TROUBLESHOOTING
Page B11-3
B11-2.2Servo Throttle Troubleshooting
B11-2.3Servo Clutch Troubleshooting
Table B11-19: Servo Throttle Problem Causes and Solutions
System
Causes
Solutions
1. One or both of the
engines continually
changes RPM. Will not
synchronize properly.
a. A Control Head’s Command Signal is vary-
ing.
a. Scroll to the Diagnostic Menu Function
Code H0. Go to the appropriate Station A/
D Count’s display. The Value should not
change by more than +/- 1 A/D Count. If
so, check the connections and if good,
replace the Control Head.
b. The engine(s) is not running smoothly.
b. Increase the engines’ RPM’s in Warm-up
Mode. Scroll to Function Code H0 and dis-
play the Tach Sender’s input frequency.
If the frequency is varying, check the push-
pull cable for movement.
If the push-pull cable is not moving, swap
the Port and Starboard Tach Senders.
If the frequency still varies on the same
side, the engine needs servicing.
c. Defective Tach Sender
c. Same procedure as b. However, if the fre-
quency variations move to the opposite
side, replace that Tach Sender.
Table B11-20: Servo Clutch Problem Causes and Solutions
System
Causes
Solutions
1. Will not
synchronize.
a. The Processor(s) think Astern is being
commanded.
a. Place both the Port and Starboard Proces-
sors into Warm-up Mode by pressing the
transfer button while moving the Control
Head levers to the Ahead detent. Both red
LED’s on the Control Head should be
blinking.
If not, reverse the wires at pins 5 and 7 at
the Control Head. Change the Clutch
direction with Function Code C5.
Содержание ClearCommand 9000 Series
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Страница 157: ...Page A 27 Drawing 11488D 1 Twin Screw Single APS Connection Alternate Remote Switch...
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Страница 159: ...Page A 29 Drawing 11488D 2 Twin Screw Dual APS Connections...
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Страница 161: ...Page A 31 Drawing 11488D 3 APS Notes Page...
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Страница 267: ...Appendix C 1 Drawing 12284A 1 ClearCommand Diagram all options...
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Страница 269: ...Appendix C 3 Drawing 12284A 2 ClearCommand Circuit Board Connections...
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