Yadea C1S, Service Manual

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Electrical System
72
Judgement method for fault maintenance of Central Controller failure
Central Controller failure analysis
Failure
related parts
Phenomenon confirmation Cause Analysis Troubleshooting
Meter
1. The meter is not bright, and the
vehicle can ride after the P gear is
released.
2. The meter can be lit, the speed
display is 0, the power is not
displayed, the entire vehicle can
not be released from P gear,
or the gear position cannot be
changed after the P gear is
released.
3. The indicator lights up, the
display interface is normal, and
the fault indicator is always on.
1. The meter has no power supply.
2. The meter did not receive the
vehicle information.
3. The central control judges that
the vehicle has fault.
1. Replace the meter, check the
vehicle wire harness, and replace
the central control.
2. Replace the right combination
switch, check the 485
communication line of the vehicle,
replace the meter, and replace the
central control.
3. Connect Yadea APP, click the
fault detection, and replace the
device according to the displayed
fault.
Controller
1. After power on, other functions
are normal and P gear can not be
released.
2. After power on, P gear can not
be released.
3. After power on, P gear is
successfully released, and the
gear position cannot be switched.
4. After start up, the gear is
switched to non-P gear, turn the
handle, the motor does not turn,
the meter has a fault reminder,
connect the Yadea APP, and the
fault detection shows the related
faults of the handle, controller and
motor.
1. Unable to release P due to side
stand is on.
2. The controller does not receive
the P-released instruction or the
controller does not process the
P-released instruction.
3. The controller has not received
the gear shift instruction or the
controller has not processed the
gear shift instruction.
4. The controller did not receive
the handle signal, the controller
did not process the handle signal,
and the motor did not respond to
the controller's control signal.
1. Try to release P after side stand
is on.
2. Replace the right combination
switch, check the P gear button to
the central control line, check the
vehicle's 485 communication line,
replace the controller, and replace
the central control.
3. Replace the right combination
switch, check the gear switching
button to the central control
line, check the vehicle's 485
communication line, replace the
controller, and replace the central
control.
4. Replace the handle, check the
handle signal to the controller line,
check the 485 communication
line of the vehicle, replace the
controller, replace the motor, and
replace the central control.
Battery
1. Turn on the air switch, and
there is no light display on the
vehicle.
2. After power on, the meter
has no power display, and other
displays are normal.
1. The battery is not discharged,
the central control failure, DC-DC
failure.
2. The meter has not received the
power information. 1. Replace the battery, central
control, DC-DC, wire harness.
2. Replace the battery, replace the
vehicle wire harness, and replace
the central control.
Electronic
grip lock
1. Turn on the air switch, place the
remote control handle within 1m
from the front of the car, press the
grip lock, there is no "drip" prompt
sound.
2. Turn on the air switch, place
the remote control handle within
1m from the front of the car, press
the grip lock, there will be a "drip"
prompt sound, the breathing light
does not flash, turn the grip lock
to ON, the breathing light does
not light, other functions of the
vehicle are normal.
3. Turn on the air switch, the
breathing light is always on.
1. The power of the remote
control handle is exhausted
and the central control has not
received the start signal.
2. Breathing light failure or related
wire harness problem of breathing
light or central control failure.
3. Faulty central control
1. Replace the remote control
handle, replace the electronic grip
lock, check the grip lock to the
central control wire, and replace
the central control.
2. Replace the electronic grip lock,
check the grip lock to the central
control wire, and replace the
central control.
3. Replace the central control.