Group 30: Electrical system
Malfunctions
33
Button panel fault
Fault indication
Tachometer:
None.
Alarm display:
None.
Symptom:
No system respons when a button is pushed.
Cable description
The button panel contains of four buttons: stop but-
ton, on/off button, acknowledge/dimmer button, start/
preheat button. The buttons functions like switches
and closes to battery negative when activated. The
power switch must be closed before the sytem can be
activated. The neutral switch must be closed before
the engine can be started.
Fault tracing
Fault conditions
The button panel does not function properly.
Possible reason
•
The power switch is disconnected.
•
The multi link connector and the button panel con-
nector at the MDI have been switched.
•
Open circuit in the wiring between the button panel
and the MDI.
•
Short circuit in the wiring between the button panel
and the MDI.
•
Defective button panel.
Suitable action
1. Check that the power switch is connected.
2. Check all wiring and connectors between the but-
ton panel and the MDI.
3. Check the button panel.
Battery negative
Stop
On/off
Ack/dimmer
Start/preheat
Button panel
https://www.boat-manuals.com/
