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11. MAINTENANCE, TROUBLESHOOTING
11-13
11.9 Raising the Transducer from the Hull Unit
If the transducer cannot be raised with the switches on the control unit, because
it is tangled in the net or its shaft is bent, try to raise it from the hull unit,
automatically or manually, whichever works.
11.9.1 Raising the transducer automatically
1. Turn off the monitor unit, transceiver unit and hull unit from the ship’s mains
breaker. (If the transducer cannot be retracted power cannot be turned off
from the monitor unit.)
2. Check if the net or other object is caught in the transducer.
3. Look through the lid on the raise/lower control box in the hull unit to check if
the motor breaker is OFF. If it is midway between ON and OFF, open the lid
and turn it off and then on.
4. Unfasten six screws to remove the cover of the raise/lower control box.
5. Push the RESET button (green) on the raise/lower control box.
6. Close the cover.
7. Turn on the breaker at the ship’s mains.
8. Turn on the equipment from the control unit.
9. Press the [ ] key on the control unit to raise the transducer.
If the transducer cannot be raised, the shaft may be bent. In this case raise it
manually with the hand crank, following the instructions on the next page.
Motor
Breaker
Reset
Button
(green)
Power
Lamp
Raise/lower control box, cover removed