KEEWAY FACT 50 4T - Failure Diagnosis

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Preparing principles
Item Specifications
Capacity/Type 12V-4AH/ dry-charged
Fully charged 13.1V Voltage
（20）
Necessary
charging
12.3V(not working for 1h)
Charging current
Standard: 0.4A，quick: 4A
Battery
Charging time
Standard: 10-15 hours，quick: 30 mins
Capacity 90W/8000rpm
Impedance of lighting coil
（20）
Between green/red-black 2.0-2.5Ω
Magnetor
Impedance of charging coil
（20）
Between white-black 1.5-2.0Ω
Type Single-phase semiwave SCR charging SCR semiwave
short-circuit
14.0V±0.4V/5000rpm Lighting
limit
13.5V/5000rpm
Voltage
regulator
Limited
voltage
Charging
limit
14.8V±0.4V/5000rpm
Tightening torque force Tools
Rectifier bolt 5.0 N·m Universal fixing spanner
High-voltage coil fixing bolt 9.0 N·m Flywheel remover
Flywheel fixing nut 5.0 N·m Test instrument
Body guard bolt 9.0 N·m Multimeter
1.2 Failure diagnosis
Power supply dead Interrupted current
Battery overdischarge Poor contact of the charging wire
Unconnected battery wiring Poor contact of the charging system
Fuse blow Poor contact or short circuit of the lighting system
Poor switch
Low voltage Poor charging system
Poor battery charging Poor contact, short circuit or open circuit of wire terminals
Poor contact Poor voltage/current regulator
Poor charging system Poor magnetor
Poor voltage/current regulator