1. The battery is broken and cannot be charged.
2. The motor is broken.
3. The cutter net is damaged or deformed, and the inner cutter head will not rotate.
4. The circuit board or components fail.
The corresponding solutions are as follows:
1. Replace the battery with a new one.
2. Check the motor. If any burrs are found, clean it and drip some lubricating oil.
3. Replace the cutter net with a new one.
4. If you know the electrician's knowledge, you can disassemble the circuit board for fault inspection and maintenance.
5. Check the charger connector for problems. If it is damaged, replace it with a new one.
Rechargeable hair ball trimmer
