Furuno SC-30 - User Manual

Questions and Answers

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Pamela OsborneAug 19, 2025
What to do if Furuno Compass autopilot jerks suddenly?
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  Jacob SchultzAug 19, 2025
  If the Furuno Compass autopilot jerks suddenly, consider the following:* Check the installation site and mounting base for vibration.* Check for nearby radar or radio equipment antennas.* Confirm that the operator can recognize the rudder angle when heading output stops and that the buzzer sounds.* Ensure the rudder doesn't jerk violently when heading output resumes; verify the rudder angle limit setting is suitable.
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Brandon DavilaAug 22, 2025
Why does equipment malfunction in NMEA 2000 network when Furuno Compass SC-30 is connected?
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  beth27Aug 22, 2025
  If equipment in the NMEA 2000 network malfunctions when the Furuno Compass SC-30 is connected, verify the following:* Check that terminators (120 ohm) are attached at each end of the NMEA 2000 network.* Check that the input voltage to the SC-30 is 12-24 VDC.* Check that all devices connected to the NMEA 2000 bus are within the current capacity of the bus.* Check that the cable (MJ-A10SPF0016-060C (6m)) is used.
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Tammy DouglasAug 25, 2025
What to do if heading output stops often on Furuno SC-30?
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  Jennifer WellsAug 26, 2025
  If the Furuno Compass heading output stops often, but position and GPS-related items continue to output, check the installation site for vibration. Also, check if any radar or radio equipment antennas are near the installation site.
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jonathan71Aug 28, 2025
Why does Furuno SC-30 heading work in good weather but not in bad weather?
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  areyesAug 28, 2025
  If the Furuno Compass heading is output normally in fine weather but not in bad weather, check the installation site for vibration.
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Joyce FisherSep 3, 2025
What to do if equipment in NMEA 2000 network malfunctions when Furuno Compass SC-30 is connected?
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  Raymond WilliamsonSep 3, 2025
  If equipment in the NMEA 2000 network malfunctions when the Furuno Compass SC-30 is connected, check the following:* Verify that terminators (120 ohm) are attached at each end of the NMEA 2000 network.* Ensure that the input voltage to the SC-30 is 12-24 VDC.* Confirm that all devices connected to the NMEA 2000 bus are within the current capacity of the bus.* Check that the cable (MJ-A10SPF0016-060C (6m)) is used and, if power is fed through a trunk line, the feeder cable is no longer than 6 m.
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huntgregorySep 6, 2025
Why does the Furuno SC-30 Compass autopilot jerk suddenly?
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  Andrew BrownSep 6, 2025
  If the autopilot jerks suddenly when using the Furuno Compass, consider the following checks:* Ensure the installation site and mounting base are free from vibration.* Verify that no radar or radio equipment antennas are near the installation site.* Confirm that the rudder angle can be recognized by the operator when heading output stops.* Confirm that the rudder does not jerk violently when heading output resumes.* Check that the setting for the rudder angle limit is suitable.
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David BaldwinSep 9, 2025
What to do if Furuno SC-30 heading output stops often, but position and GPS-related items are output?
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  Anna LongSep 9, 2025
  If the Furuno Compass heading output stops frequently, but position and GPS-related items continue to be output, examine the following:* Check the installation site for any vibration.* Verify that no radar or radio equipment antennas are near the installation site.
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Elijah WebsterSep 12, 2025
Why does Furuno Compass heading output normally in fine weather but not in bad weather?
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  Nathaniel GarciaSep 12, 2025
  If the Furuno Compass heading is output normally in fine weather but not in bad weather, check the installation site for vibration.
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Dr. Dawn Norman MDNov 15, 2025
Why is the heading not output on my Furuno Compass?
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  pcopelandNov 15, 2025
  If the Furuno Compass heading is not output, there are several potential causes to investigate:* Check the installation site for any interfering objects near the antenna.* Ensure the installation site and mounting base are free from vibration.* Look for nearby radar or radio equipment antennas.* Verify the SC-30 connector is tightly connected.* Make sure no stress is applied to the cable, and a loop is present to prevent stress.* Confirm terminators (120 ohm) are attached at each end of the NMEA 2000 network.* Check that the input voltage to the SC-30 is 12-24 VDC.* Ensure all devices on the NMEA 2000 bus are within its current capacity.* Verify the correct cable (MJ-A10SPF0016-060C (6m)) is in use.* If power comes directly from the ship's mains, check the breaker switc...