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2. WIRING
2.4
Control Box
Note 1: To prevent accidents and injury while conducting maintenance or wiring, turn
the control box off at the breaker.
Note 2: If the wiring for the motor and brake is incorrect, the transducer may be low-
ered unintentionally. Check the interconnection diagram at the back of this manual or
wiring label on the rear side of the control box cover to confirm that the internal wiring
is correct before turning the power on.
2.4.1
Internal wiring and cable clamp position
The connection LED lights up in red color to indicate that the wiring is correct. Confirm
that the LED is lit. If the LED is not lit, disconnect the power cables and reconnect them
correctly. Re-apply the power and confirm that the LED is lit.
The hull unit does not work if the connections are incorrect.
• Power connected correctly: LED lights in red.
• Incorrect connection: LED does not light.
TB1 (HFLT board)
is beneath this
cover.
Internal view
TB1
(HFLT board)
Cable clamp
2-14
Terminal opener
TB6
TB7
1
2 3-1
4
5 6 7 8
9
3-2
TB8
TB10
TB3
TB5
TB1 (Power)
Ground securing plate
Secure the copper strap
10 11
here.
TB4
TB2
TB1
(HCTL board)
LED
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