What does it mean when an electric vehicle charger shows one green and one red light?

[StZachary]

Charger malfunction. Users should replace the electric vehicle charger. Below is relevant information: 1. Fault diagnosis: If the red and green lights do not illuminate, flash, or remain lit simultaneously, this indicates abnormality and confirms charger damage. If only the green light remains steadily lit, it indicates normal internal power supply in the charger, proceed to the next inspection step. If the green light fails to illuminate, this indicates abnormality and confirms charger damage. If only the green light remains steadily lit, it indicates normal internal power supply in the charger, proceed to the next inspection step. 2. Notes: Over time, the red light on electric vehicles gradually brightens from dim to full intensity. Typically, 4-8 hours are sufficient to fully charge the battery, at which point the red light reaches maximum brightness. Under constant-voltage float charging conditions (indicated by the red light), prolonged charging will not damage the battery.