10.5.3.2 One Long, Two Short - High Repetitive Rate Tones
This tone is also referred to as a Jam Tone. When sounded, Servo 2 is unable to reach the commanded
position. In most cases when a Jam Tone is encountered, it can be cleared by moving the Control
Head lever back to the point prior to where the tone was first encountered.
The tone will be accompanied by Error Code 65 and is typically caused by one of the following reasons:
• Stiff or frozen selector lever.
• Mis-adjusted push-pull cable.
• Defective push-pull cable.
• Low battery voltage.
• Defective Processor.
In order to isolate the cause to one of these five items, follow the steps below:
A Turn the power ON to the Processor.
• If the tone is not present continue with step C)
• If the tone is present, check the DC voltage to the Processor by accessing the
Diagnostic Menu H0. If the voltage is adequate continue with step B.
B Disconnect the push-pull cable from the selector lever.
• If the tone is still present after cycling power, replace the Processor.
• If the tone is no longer present, continue with step C)
C If disconnected, reconnect the push-pull cable.
D Depress the Transfer Button while moving the Control Head lever to the Ahead detent.
E Release the transfer button and continue to move the Control Head lever through the speed
range.
• If the tone does not sound until the Control Head lever is close to full throttle,
Function Code E3 Throttle Maximum is mis-adjusted.
• If the tone sounds earlier than full throttle, continue with step F).
F Disconnect the push-pull cable from the selector lever.
G Manually reposition the selector lever (Idle to Full).
• If the selector lever is very stiff it needs to be serviced.
• If the selector lever moves freely, the push-pull cable is defective and needs
replacing.
10.5.4 Clutch Solenoid Control System Tones
10.5.4.1 One Long - One Short Tone
This tone can be produced if solenoid monitoring is turned ON with Function Code H2.
When this tone is sounded this tone will also be accompanied by one of the following error codes:
1 - Clutch Astern Shorted
2 - Clutch Astern Open
5 - Clutch Ahead Shorted
6 - Clutch Ahead Open
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