Motorola Moto X Force Troubleshooting Manual page 63

USB Charging Issue (cont'd)
The lightning bolt in the battery meter icon represents a valid VBUS voltage, a detect. "Turbo
Charger connected" is displayed if a turbocharger is connected. It is not displayed otherwise, or
if a turbocharger is connected partially into the device, and inserted all the way in more than a
second or two later.
Ensure the phone current drain does not exceed the charger supply current capacity in the use
case where battery is not able to charge.
If the device power cycles when the battery is low and USB charger is connected, monitor the
current drain in or out of the battery as well as the battery voltage with a scope across the sense
resistor.
There is also the rare possibility of charge IC itself damaged or have damaged or intermittent
BGAs where a reflow followed by replacement of the IC might be needed as a last attempt to
recover charge operation. This should be done after exhausting all other possible root-causes
and discussing with development team.
Moto X Force/DROID Turbo 2
MOTOROLA CONFIDENTIAL
BASEBAND TROUBLESHOOTING GUIDES