How to solve VVDI Key Tool Max Pro faild to Charged

One customer gave feedback that his Key Tool Max Pro was not charged.

Machine has unloaded and is defective to load.


Here is the Solution:

1.Test main power supply and chargers with other devices

Ensure cables are normal.

2.Replace the diode

Ask for a diode replacement or send Key Tool Max Pro back for repairing.


Hope this could help!