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Bukh D4 - Troubleshooting Engine and System Faults

Bukh D4
141 pages
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Emergency Stop Switch
Reset the external stop button.
Battery Voltage
Possible cause: The alternator output voltage is too low.
Corrective action: Check the battery. Refer to Battery, page 105.
Check belt tension. Refer to Drive Belt, Check and Change, page 92.
Can Not Start, Trim Too High
Possible cause: The drive is tilted too high.
Trim sender failure.
Corrective action: It is possible to override the immobilizer by pressing the start button for 5 seconds and
then stop pressing the button.
Check Control Lever
Possible cause: Shift and throttle incorrect.
Slip function not available.
Corrective action: Acknowledge the fault by moving the control to Neutral and press the OK button. Engine power
is reduced and the gear is automatically set to Neutral.
Check Engine
Possible
cause:
Battery voltage is incorrect.
The fuel pressure is incorrect. Engine performance might be affected.
Communication failure automatically sets the gear to Neutral. Engine performance might
be affected.
The oil pressure is too low and the engine power is reduced.
Corrective
action:
Check the battery. Refer to Battery, page 105.
Check the oil level and that there is no leakage. Refer to Oil level, checking and topping
up, page 94.
Check EVC System
Possible cause: Limited or no steering.
Shift and throttle are unavailable and the gear has automatically been set to Neutral as
engine power is reduced and the helm station has lost communication with the engine.
Control panel failure.
Corrective
action:
Use alternative helm station if possible.
Check if any buttons are stuck.
Fault Code Register
72 47708085 11-2016 © Bukh

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