the 24V mower doesn't start but noise

Thread Starter

LAOADAM

Joined Nov 21, 2018
658
Hi,
I got a 24v mower, that don't have much info. online with a name of 'UTOPIA'. there are two 12v batteries, one is 13V, and the other one is 11.5V, the mower got Sizzle sound as long as the lower battery placed in at 11.5v, charge it to 13v and placed in the mower can start the motor a short moment, then sizzle noise again.
There is mechanism control the starting, as pictures. seems the metal induction?
question: 1. where the noise from? motor? how to fix?
2. can I just short the circuit instead of the start mechanism? which pin short OK?
Thanks
Adam

UTOPIA.jpgStart_Circuit.jpgStart_metal.jpg

The circuit second picture covered on the metal, which move slide to trig the circuit.
 
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