Lewmar 140 - Operation; Manoeuvring the Thruster; Error Messages and Alarms; Auto-Retract Function

Lewmar Swing Thruster Product and Installation Manual ref 500146 iss.3 | 11
4- Operation
1. On/off
2. Starboard
3. Port
4. Green LED
1
23
4
1
2
3
4
⚠ WARNING! The protective cover should be in
place when the panel is not in use.
⚠ WARNING! The main switch must be
in the off position if the thruster is to be
serviced from outside.
Deploy the thruster by holding down the on/off button (1) for about two seconds. The green LED (4) will start
flashing. The thruster is ready for use when the LED shines continuously. Hold down the on/off button to retract
the thruster when you are finished.
4.1 Manoeuvring
The thruster can be set to auto-retract automatically aer 2 or 5 minutes aer the last button press.
This auto-retract function can be set as follows:
1. Check that the panel is switched off, i.e. the LED is not lit.
2. Press the PT button or move the joystick to port. You will hear a single buzz which indicates that the auto-
retract is OFF.
3. Press the PT button or move the joystick to port. You will hear two buzzes which indicates that the auto-
retract is now set aer 2 minutes.
4. Press the PT button or move the joystick to port. You will hear three buzzes which indicates that the auto-
retract is now set aer 5 minutes.
The auto-retract function can be changed at any time. Repeat steps 2 to 4 above.
4.4 Auto-retract function settings
An alarm will sound when the thruster is deployed. This alarm can be set at interval of 5, 15 or 60 seconds as
follows:
1. Check that the panel is switched off, i.e. the LED is not lit.
2. Press the SB button or move the joystick to starboard. You will hear a single buzz which indicates that the
interval is now 5 s.
3. Press the SB button or move the joystick to starboard. You will hear two buzzes which indicates that the
interval is now 15 s.
4. Press the SB button or move the joystick to starboard. You will hear three buzzes which indicates that the
interval is now 60 s.
The alarm interval can be changed at any time. Repeat steps 2 to 4 above.
4.3 Alarm settings
Overheating
The bowthruster is fitted with an overheating switch, which shuts off the current if the bowthruster is run for
too long and the electric motor overheats. If this happens, the green LED will flash rapidly. When the motor has
cooled, the system will reset to normal function automatically. Even if the motor has overheated, the thruster
can still be retracted using the on/off button.
4.2 Error Message