Yadea M6L, Service Menu

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Converter
Overview and disassembly
• Front cover → 12
Converter fault repair determination method
Main circuit power supply is abnormal or the
main cable is faulty
1. Converter connector voltage measurement
YES
YES
Cable fault
NO
NO
2. Converter ground line check
Check whether there is a supply voltage output
for the voltage in the converter connector?
Converter fault
48
NC
R/B
Y/R
B
The converter is installed in the head of the electric vehicle, mainly to convert the high - voltage DC current
of the power battery into stable low - voltage DC current, which is used to provide the 12V lighting power
supply of the vehicle and to assist the floating charging of the battery.
Joint
Plug
Before you begin troubleshooting, check the following
●Battery voltage
●Associated terminals/connectors are loose or in poor contact
Y
Input
Output
Ground-GND
R/B
B
Input
Output
Ground
connection
Y
R/B
B
Battery pack
Horn switch
Flasher
Front brake
switch
Rear brake
switch
Is there a 12V output for measuring the
voltage inside the converter?
Electrical system