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[CA11] "Current Limit" st6002
02-12-19, 02:37 AM (This post was last modified: 02-12-19 09:48 AM by Chuck - Raymarine - Moderator.)
Post: #1
[CA11] "Current Limit" st6002
Hi, I have an st6002, spX10, running a type 1 drive unit, via sprocket & chain on a Lightwave 38 Catamaran
These components have done around 2000 nm. Last time I went engage it, the screen showed auto as it usually does and then in around 30 seconds there was an alarm and the message “current limit”.
I returned to manual operation an looked up the manual to discover that the problem was probably a steering jamb, or a drive unit fault. Since the steering was as free as it has always been, I removed the drive unit and took off the cover. I discovered that all the screws were quite loose and in fact the whole electric clutch mount was very loose. I then split the gearbox case and a small cap screw fell out (the one from the clutch mount). I then reassembled the unit using thread-lock to try to avoid the problem occurring again.
When I retried using auto again I got the same message.
I then isolated the rudder reference unit to see if that had anything to do with it but no luck, same message.
I then disconnected the wiring to the drive unit, same message.
I’m stumped. I get a message saying current limit when there is no current being used. Do i have to somehow clear the code or do a reset to get it all back up & running again?
Any help would be much appreciated.
Thanks
Trevor
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02-12-19, 10:09 AM
Post: #2
RE: [CA11] "Current Limit" st6002
Welcome to the Raymarine Forum Trevor,

Please click here to view a FAQ addressing this subject. In this case, it would be recommended that both the drive unit and autopilot course computer be sent to Raymarine’s Product Repair Center to be bench checked / serviced.
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