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173
EN 3340.758.003a - 2014-11
TROUBLESHOOTING
MM9000 Rev C.8 01/13
Page 173
MM9000 ClearCommand User Manual
Troubleshooting
D
SYMPTOM:
The engine begins to turn-over while starting and then stops. A slow repetitive
tone is heard from all Remote Stations.
E
SYMPTOM:
Active Synchronization is inoperable.
10.10.2 Servo Clutch Control System Problems Without Error Codes
A
SYMPTOM:
Cannot obtain Warm-up Mode while moving the Control Head lever in the
Ahead direction, only in the Astern direction.
10.10.3 Servo Throttle Control System Problems Without Error Codes
A
SYMPTOM:
The engine RPM’s vary, without moving the Control Head lever (synchronization
disabled).
Cause
Remedy
a.
The voltage available at the Processor has
dropped too low, due to the starter’s
current requirement
a.
Supply power to the Processor from a battery other that the
starting battery or supply power from two sources through an
APS (Automatic Power Selector)
b.
Battery charge is too low
b.
Recharge/ replace the battery or supply battery power from two
sources through an APS.
Cause
Remedy
a.
There is no Tachometer Sensor signal at
the Port or Starboard Processor.
a.
The Tachometer Sensor frequency can be seen on the
Processor’s Display by accessing the Diagnostic Menu H0. If the
frequency is not measured, check the Tachometer Sensor and the
wiring.
b.
Loss of Serial Communication between
the Processors.
b.
If Active Synchronization is inoperative due to a lack of Serial
Communications, one or more Error Codes will be displayed
indicating the loss of communication.
c.
The Processor’s Identification number(s)
have not been set properly.
c.
All Processors must have a unique identification number as set
with Function Code A0. Refer to Section 5.6.2.1: Throttle Basic
Functions.
d.
The correct number of engines has not
been set.
d.
All Processor must have the same number of engines selected as
programmed with Function Code A1. Refer to Section 5.6.2.1:
Throttle Basic Functions.
Cause
Remedy
a.
The Processor is sensing that the Control
Head’s lever is moving in the Astern
direction
Depress the Transfer Button while moving the Control Head lever
in the Astern direction. If the LED begins to blink, the Control
Head is incorrectly wired.
• Check the colors of the wires at pins 5 and 7.
• A right hand Control Head should have yellow at pin 5 and blue
at pin 7.
• A left hand Control Head should have blue at pin 5 and yellow at
pin 7.
• The Clutch Servo’s direction of travel must be changed with
Function Code C5 if the yellow and blue wires are reversed.
Cause
Remedy
a.
Problem with the Governor or Carburetor.
a.
Observe the Throttle push-pull cable. If variations are seen,
proceed to Step b.
Summary of Contents for MM9000
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Page 130: ...130 EN 3340 758 003a 2014 11 SEA TRIAL REPORT ...
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