supercurio Posted June 27, 2021 Share Posted June 27, 2021 (edited) During the first charge of my new Sherman, the OEM charger behaves strangely. Observations: The red LED, indicating charging blinks every 2s or so The fan slows down every time the LED blinks The charger itself gets pretty toasty The wheel seem to get charged normally, at 5A approx but I'm concerned about the longevity of the charger, knowing that Sherman charger malfunctions can easily burn the wheel's mainboard. Maybe the charger encounters a fault and restarts every 2s? Have you observed the same cyclic behaviour on your own Sherman charger? I wonder if it's safe to charge the wheel with it. Edited June 27, 2021 by supercurio Quote Link to comment Share on other sites More sharing options...
Planemo Posted June 27, 2021 Share Posted June 27, 2021 My 6A charger does exactly the same thing all through the charge process, same charger never did it at all with the MSX. So I can only assume it's normal on the Shermie, what with it's slightly different charging process. I presume the main board is taking a voltage reading/safety check every few seconds? 1 Quote Link to comment Share on other sites More sharing options...
Adel Posted June 27, 2021 Share Posted June 27, 2021 This is "normal" behavior for all stock Sherman chargers. Actually you can even see it with other fast chargers on the Sherman but to a much less degree that its barely noticable: https://forum.electricunicycle.org/topic/21375-sherman-charger-issue/ 1 Quote Link to comment Share on other sites More sharing options...
Marco73 Posted June 27, 2021 Share Posted June 27, 2021 Hi, yes perfectly identical behavior also for my 2 original chargers. 1 Quote Link to comment Share on other sites More sharing options...
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