TROUBLESHOOTING
TRAIN-156 Rev.B 11/01
Page 28
A)
SYMPTOM
The engine’s RPM varies, without moving the Con-
trol Head lever (synchronization disabled).
B)
SYMPTOM
No audible tone at a one Control Head when power
is first turned ‘On’ to the Control System. Everything works fine
otherwise.
C)
SYMPTOM
The Control Head’s red LED doesn’t light when in
command, but everything else works perfectly.
CAUSE
REMEDY
a. Problem with the Governor
or Carburetor.
a. Connect the Break-out Box (part # 13927) as shown in Throttle Testing
Section. If variations are seen, go to step b. If, no variations are seen,
contact a certified mechanic.
b. Erratic Command signal.
b. Refer to Command Signal Section 1.6.1. If variations of the A/D
counts occur, connect that Control Head to another Station at the Pro-
cessor. If variations persist, replace the Control Head.
CAUSE
REMEDY
a. Incorrectly wired eight-con-
ductor cable.
a. Verify that the black wire is properly connected to pin 1 at the Control
Head and pin 8 at the Processor
b. Defective Control Head
Sound Transducer.
b. Measure the AC voltage at pins 1 & 3 of the Control Head. If 20 -
25VAC is present, replace the Control Head.
CAUSE
REMEDY
a. Incorrectly wired eight-con-
ductor cable.
a. Verify that the brown wire is properly connected to pin 2 at the Control
Head and pin 2 at the Processor
b. Open Control Head LED. b. Measure the DC voltage at pins 2 & 3 at the Control Head. The mea-
surement will be approximately 2.20 VDC in normal operation. If the
4.00 VDC is measured, the LED is open. Replace the Control Head.
Содержание CruiseCommand 785CE
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Страница 153: ...Page 3 Drawing 11748 Single Screw Two Stations...
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Страница 157: ...Page 7 Drawing 11747 Twin Screw Two Stations...
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