Ok, so score one for reading the manual and double checking everything.
I think my adventure with the charger was a red herring.
Looking at the cables carefully, the cable from the battery to the contactor had succumbed to its twist, and the ring terminal slipped out of the boot and around until it touched the pole of the key switch. The Sevcon was doing it's job and alerting me to the problem! Re-running the cable to have the twist pull the other direction and tightening the nut/boot cleared everything up.
Thank you for the suggestions!
On Aug 23, 2020, at 23:39, Ryan Sweet <ryan@ryansweet.org> wrote:
Thank you.It's AGM, they were all balanced and evenly charged on the bench before being moved to the boat.I haven't tried with the charger again since disconnecting it (trying to return back to the state it was in when it worked). At power-up it starts the six blink fault indication on the green LED.On Aug 23, 2020, at 23:05, Carsten via groups.io <Carstensemail=yahoo.com@groups.io> wrote:Hi Ryan,Are you using LiFePO4 then the voltage of all the batteries MUST be inside 0.1 Volt (eg. 12.84-12.94) before you attemt to connect them into a bank.Did you check ?Is the sevcon fine when you connect the charger, without operating the motor ?On Monday, 24 August 2020, 08:57:32 GMT+8, Ryan Sweet <ryan@ryansweet.org> wrote:So I had everything working, and at a certain point I plugged in the charger for the batteries and attempted to spin the motor at the same time. At this point the sevcon resorted to a fault with the LED flash in six times. From the manual the six flashes seem to indicate over or under voltage on input or output or throttle greater than 20% at start up. I checked all of the cables again.I tried disconnecting the power and reconnecting with the foot stays. The voltage meter is showing 53.6 V.I have disconnected the charger, Put everything back how it was. The fault is still indicating. Any idea how to reset it?
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