Furuno FSV-30S User Manual download pdf (Page 43)

3-3

How to check the hull unit

1. Press the POWER (|) switch on the control unit to turn on the equipment. Confirm that

“ ON” lamp above the POWER switch and the

switch light.

Transducer switches of the control unit

2. Confirm that the 5V and UP lamps on the raise/lower control box are lit.

3. Remove the cover of the raise/lower control box and use a multimeter to measure the

following voltages:

Terminal Terminal No. Voltage

TB-C101 (1) – (2), (6) – (7)

(2) – (3), (7) – (8)

(1) – (3), (6) – (8)

220 VAC

4. In the raise/lower control box, set the TEST/NORMAL switch to TEST. Press the

[DOWN] switch to confirm that the transducer lowers. Also, while the transducer is being

lowered, check that the MD LED lights when the MD L. SW kicks. Note that the MD L.

SW does not stop the transducer when the TEST/NORMAL switch is in the TEST

position.

OFF

TEST

NORMAL

L.SW

UP MD DN

UP DOWN

Control unit (in hull unit)

5. Press and release the [DOWN] switch. Confirm that the transducer stops at the moment

the switch is released.

6. Press the [DOWN] switch again. Confirm that the transducer stops at the moment the

lower limit switch kicks.

7. Confirm that the [UP] switch operates in a similar manner.

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Furuno FSV-30S User Manual Page 43