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How to check the hull unit
1. Turn the control unit ON. Check that the ON LED and
Retract
Half protrude
Protrude and retract switches on raise/lower control box
2. Check the top of the raise/lower control box to confirm the 3.3V and UP LEDs are
on.
3. Remove the cover of the raise/lower control box and check the terminal voltage
as shown in the table below.
Terminal block Terminal No.
TB-C101
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 LTX LED lights when the LTX switch is passed by
the transducer shaft bar.
Note: The LTX switch does not stop the transducer when the TEST/NORMAL
switch is in the [TEST] position.
5. Release the DOWN switch during lowering to confirm that the transducer stops
lowering.
6. Press the DOWN switch again to continue lowering.
Confirm that the transducer stops at the moment when
the EMERGENCY STOP switch is pressed. After you
have confirmed the EMERGENCY STOP switch stops
the hull unit lowering, release the EMERGENCY STOP
switch by turning the switch clockwise.
7. Press the DOWN switch again to continue lowering.
Confirm that the transducer stops at the moment when
the lower limit switch is pressed.
During this process, via the side window on the raise/lower control box, check the
LEDs inside the casing and that the following values are displayed.
Type
1600 travel
1200 travel
DOWN/STOP
(1) - (2)
(2) - (3)
(1) - (3)
TEST
OFF
NORMAL 3.3V
L.SW
UP
HTX
HTX LTX DN
DOWN
UP
UP_LMT_SW ON DN_LMT_SW ON
0
0
3. POST INSTALLATION SETTINGS
switch are on.
Full protrude
Voltage
220 VAC
No use
EMERGENCY STOP button
98 ~ 101
73 ~ 76
3-5
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