1, first of all, to see whether the charger and electric car match, some electric cars, need a special charger, other chargers plug up no response.
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2, see whether the charger and the electric car contact firmly.
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3, change a charger to see if other chargers can charge.
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4, check the problem of the charger itself, observe and touch the wire at both ends of the charger to see if there is a broken mark, if there is, peel the wire and connect it.
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5, the charger may have poor internal contact, gently pat the charger, open the charger, see if there is no trace of burning inside, if there is, discard.
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6, disassemble the charger, see if the wire is broken, if yes, connect.
2, charger failure, charger damage. Replace the new charger while charging.
3. Power outage. The charger will turn green if the power goes out during charging. Wait for a call to refill and charge.
4. The charging insurance is burned out and the contact is poor. Just replace it with a new insurance.