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4. Troubleshooting
This troubleshooting guide assumes that you have read and understood this manual.
It is possible in many cases to solve difficulties without the need for the after-sales
service. Please read this chapter carefully before contacting your AdvanSea retailer.
1.
The unit will not power on:
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2.
Wrong or incoherent speed reading:
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3.
Wrong or incoherent depth reading:
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It is recommended to do a test with another working sensor (hold it
under water near the boat) to check if the sounder and the on-board
sensor are working correctly.
4.
Wrong temperature reading:
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5.
SIMU flashing on the screen, with incoherent readings
displayed.
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If the problems continue, we recommend you contact your advanSea retailer or our
customer support department. All contacts can be found at www.advansea.com.
Fuse melted or circuit breaker triggered.
Voltage too low
Power cable disconnected or damaged.
Calibration incorrect
Speed sensor cable disconnected or damaged
Speed/temperature
paddlewheel.
Incorrect mounting or sensor not sufficiently immersed.
Review the installation.
Electrical interference. Review the installation.
The unit cannot detect the sea bottom momentarily,
because the depth is too high or too low, due to lack of
water clarity, reverse manoeuvring or rough seas.
Sensor cable disconnected or damaged.
Dirty or damaged sensor. Check that the sensor is not
covered with too thick a coat of paint.
Sensor incorrectly mounted or not sufficiently immersed.
Ultrasound signal interference from another sensor.
Electrical interference. Review the installation.
Calibration incorrect.
Speed/temperature sensor cable damaged.
Unit in simulation mode (see 2.5.7).
Installation and Operation Manual S400 series
sensor
damaged.
Check
the
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