小牛电动
Niu Electric
- 66 -
Inspection
Inspection of the signal output
Turn the power lock switch to OFF.
Remove the front panel.
Connect the multimeter between the white/green signal output wire and the black ground wire on Hall
cable sensor.
Turn the ignition switch to ON. Turn the handle slowly from the start angle to the end angle, and check
the signal output voltage between them.
Connection: White/green (+) -
black (-)
Standard:
Start angle 0.83 - 0.9V
End angle 3.75 - 3.85V
The voltage should change smoothly between standard values with turning of the accelerator handle.
Inspection of the input circuit to power supply
Turn the ignition switch to OFF.
Disconnect the Hall cable sensor connector.
Turn the ignition switch to ON. Check the voltage between the dark red wire and the black wire.
Connection:
Dark red (+) -
black (-)
Standard:
4.2V-5V
Check the following items if the measurement value is far more than the standard one:
- The controller failed
- The circuit between controller and Hall cable sensor is in a bad contact or is open.
Summary of Contents for N1S
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