On Sep 7, 2017, at 9:36 PM, benjatelcom@gmail.com [electricboats] <electricboats@yahoogroups.com> wrote:
Greetings all,
Have about 24hrs of run time on my Motenergy ME1305 PMAC motor. Running through a Sevcon Gen4 90A controller on my 1983 Duffy electric boat.
Out cruising on the Vermilion Bayou for an extended length trip, was running up river at about 1500W (out of 5kW available) when the controller shut down with code 11 blinking on the Sevcon status LED.
The manual indicates:
A. Motor resolver fault
B. Motor over current
C. Motor current control fault
The motor was running steady at 1500W and 1500RPM when it shut down. I cycled off the controller for 60 seconds and restarted it, and it would run for a few minutes and shut down again. The motor was hot from continuous use, around 120F, but has never overheated. I put a 12V fan on top of the motor and controller and got it cooled off to nearly ambient, but it continued to shut down on code 11.
It usually shuts down silently, but occasionally would rev a bit, and once it grow led loudly. I never saw my amp meter spike but its hard to watch when it shuts down.
Any thoughts or ideas? I've talked with Thunderstruck EV support and Motenergy a bit, they seem hesitant to blame the hall effect sensor. I've hopefully ordered a new sensor from Motenergy for $10 and will get it spliced in tomorrow if it arrives.
Posted by: James Sizemore <james@deny.org>
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