D439E Service Manual 5. Service Tool
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• POWER LED Lighting Condition
Charging Full Charged
With DC power
LED (Green) ON LED (Red) ON
Battery Pack
Installation
Without DC power
LED OFF LED OFF
NOTE : If the battery pack is not installed, when the external power is connected, the Power LED light will be
Green.
NOTE : For the details of the power supply, refer to the “Power Supply” in the “Basic usage of G-scan”
<Module: A-02-001>.
• DLC LED Lighting Condition
LED operating condition
Communicate with Vehicle Control Module
LED (Green) Flicker
Communication with Vehicle Control Module is OFF
LED OFF
• OPTION LED Lighting Condition
Communication by USB port (Host) of G-scan main module
LED (Green) Flicker
Others
LED OFF