PREMIUM E-MOBILITY
YD-EM279
22
Charge overheat pro-
tection
1. Vehicle power failure
2. Charger trouble light
flashing
3. Issue a protection mes-
sage
1. Too high ambient tem-
perature and poor ventila-
tion
2.
The charger is not suitable
and the charging current is
too large
3. Improper use of battery
accelerates aging and in-
creases internal resistance
4. Abnormal collection of
battery protection board
1. Disconnect the battery and
place it in a cool and ven-
tilated place for a period of
time
2. Check whether the char-
ger is qualified and original
3. Overhaul by the after -
sales outlet
Charge under - tem-
perature protection
1. Vehicle power failure
2. Charger trouble light
flashing
3. Issue a protection mes-
sage
1.
The ambient temperature is
lower than - 20°C
2. Abnormal collection of
battery protection board
1. Use at the ambient tem-
perature allowed by the
battery
2. Overhaul by the after -
sales outlet
Charge overvoltage
protection
1. Vehicle power failure
2. Charger trouble light
flashing
3. Issue a protection mes-
sage
1. The charger is not suitable
or faulty and the charging
voltage is too high
2. Abnormal collection of
battery protection board
1. Check whether the char-
ger is original or faulty
2. Overhaul by the after -
sales outlet
Charge overcurrent
protection
1. Vehicle power failure
2. Charger trouble light
flashing
3. Issue a protection mes-
sage
1. The charger is not suitable
or faulty and the charging
voltage is too high
2. Abnormal collection of
battery protection board
1. Check whether the char-
ger is original or faulty
2. Overhaul by the after -
sales outlet
3.2.4 Disassembly and installation of controller
3.2.4.1 Overview
The controller is mainly used to drive the motor, lock the motor upon theft and provide the related information. The
vehicle controller is located behind the Y1S vehicle and can be seen under the seat cask locking plate after the seat
cask is removed. The parts connected it include motor, battery management system, center control, Burglar alarm,
throttle and brake.
3.2.4.2 Service tools
●
Cross screwdriver
●
Sleeve 10mm
3.2.4.3 Disassembly and installation
Disassembly
●
Park the vehicle on the level road and support the
main support.
●
Close the key and pull it out.
●
Open the seat cushion and turn off the air switch.
●
Disassembly the shelf cover. → page 59
●
Disassembly the seat barrel. → page 58
●
Open the controller harness protection cover - ar-
row - .
●
Disassembly the bolts and Disassembly the motor
harness - arrow A -.
●
Disconnect the motor connector - arrow B -.
A
A
A
B
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