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Fault finding

Bow thruster not working / stops after a few seconds

Bow/stern thruster · Side-Power (Sleipner)

Leisure & YachtMedium difficulty

Symptoms

No thrust, relay clicking, thermal protection tripped, blown fuse.

Probable causes

  • Weak battery or connections (voltage drop)
  • Thermal cut-out after prolonged use
  • Broken shear pin or coupling
  • Faulty solenoids/relays

Solution

Check battery condition and charge and the tightness of the terminals, let the motor cool down, and check the propeller shear pin and the solenoids. Respect the duty cycle.

The information on this page is general guidance. It does not replace the manufacturer’s manual or the work of a qualified technician: before any intervention, always check procedures, tightening torques and safety requirements in the official documentation of the machine.

Field experiences

No experience has been published for this fault yet. If you have dealt with it, tell us how you solved it: photos and drawings help whoever faces the same situation.

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