Operation Manual

Installation and Operation Manual S400 series 23
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:
Fuse melted or circuit breaker triggered.
Voltage too low
Power cable disconnected or damaged.
2. Wrong or incoherent speed reading:
Calibration incorrect
Speed sensor cable disconnected or damaged
Speed/temperature sensor damaged. Check the paddlewheel.
Incorrect mounting or sensor not sufficiently immersed. Review the
installation.
Electrical interference. Review the installation.
3. Wrong or incoherent depth reading:
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.
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:
Calibration incorrect.
Speed/temperature sensor cable damaged.
5. SIMU flashing on the screen, with incoherent readings displayed.
Unit in simulation mode (see 2.5.7).
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.
4. Troubleshooting