M820 sudden power lost n back again.

calvintys

Active member
Sep 12, 2023
248
250
Malaysia
Yesterday my M820 suddenly power cut when cadence it's low during climb when I set to B. Then I rest for a while and test it again on flat surface , on B when I pedal at high cadence , my leg can feel the power was not as smooth as before, it's goes off or lost power a little and back again and goes off a little again. Anyway has similar experience? My display does not has any error code.

Today day o took out for a test battery from 25% ride until 18% and it's back to normal and I try using besst tool to diagnose it. Does not show any error code. Anyone know how to test temperature sensor. But yesterday before my last test , i did stop for a bike wash and I think after bike wash temperature should be lower n the problem still occurs Until this morning only gone.
 
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