[DG] [DG] Buzzing Noise Smartpilot S1
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08-21-18, 08:49 AM
(This post was last modified: 09-03-18 09:52 AM by Derek - Raymarine - Moderator.)
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[DG] Buzzing Noise Smartpilot S1
Hi,
I have replaced my Raytheon type 100 course computer with a Smartpilot S1. The old course computer broke down for second time, same transistor (IRFZ44N) failure. I prevents the clutch from engaging/disengaging. My system is 12V and has a ST6002 control unit and a Lewmar DU130 Direct Drive connected via a linkage to the rudder axle. I have to interchange the output cables to the drive (A&B) to make work. The boat is a light displacement fin keel cruiser-racer (39ft, ca 8tons). It works in normal conditions, but not on moderate swell or high wind. But the thing that worries me is that as soon as I press Auto on the control unit starts a electrical buzz on the drive unit. Or so it seems, difficult to locate the exact point in the lazarette. I never have this buzz with the type 100 course computer. So I wonder what could it be. Thanks in advance for any help, Carlos |
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[DG] Buzzing Noise Smartpilot S1 - cbarrer6 - 08-21-18 08:49 AM
RE: [DG] Buzzing Noise Smartpilot S1 - Derek - Raymarine - Moderator - 09-03-18, 11:51 AM
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