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The battery cannot be charged.
1. The battery switch is not turned on.
2. The plug is not inserted correctly.
3. The battery temperature is too low.
4. The battery temperature is too high.
1. Check and turn on the battery switch.
2. Check whether the plug and the external power
socket are normal, and re-plug.
3. Recharge the battery after the battery temperature
reaches the normal charging temperature.
4. Contact CAOFEN distributor or after-sales personnel
to check the battery condition.