Koden CVS-126, Руководство по эксплуатации

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Chapter 4 Maintenance and Inspection CVS-126
4-2 0093132702-08
4.3 Fuse Replacement
If the input voltage is too high, the over-current flows or a trouble occurs inside, the fuse will blow out.
The fuse is housed in the power cable.
4.4 If you suspect a trouble
Symptom Possible cause of trouble Countermeasure
Even if the power is
powered on, nothing is
displayed.

Blown fuse.

The power voltage is out of
specification (10.8 to 31.2
VDC).

Poor connection between
power cable and battery.

Exchange a fuse.(See [4.3 Fuse
Replacement])

Use a proper power as per
specification.

Confirm a connection between the
power cable and the battery.
The unit starts up. But,
nothing is displayed on
the display.

Connection between
transducer and display unit.

Defect of LCD display block.

Confirm a connection between
Transducer and Display unit.

Consult a repair shop or the
distributor in your market.
Too much interference
and noise.

Installed position of
transducer.

Interference from the echo
sounder on other boat.

Confirm the position of transducer.
(See [5.3 Installation of
Transducer])

Apply the interference rejection.
(See [2.3 Rejection of
Interference])
The display of water
temperature / boat speed
is abnormal or not
displayed.

Connection of sensor
connector.

Input source of water
temperature sensor / speed
sensor.

Confirm the connection of the sensor
connector.

Confirm the input source.
The display of present
location/course is
abnormal or not
displayed.

Connection between this unit
and navigation equipment.

Confirm a connection between
Display unit and the navigation
equipment.
Warning
Use the specified fuse. If you use a fuse other than
specified one, it may lead to a serious accident.