3. Troubleshooting fow chart for “Do not charge” is shown in the picture 3.3.2.3:
Do not charge
Whether
battery is fully
charge with voltage
4.2V-4.3V
Whether
BAT voltage has
change
Check
whether USB_VBUS
has 5V voltage
Check power supply circuit
Change IC ISL6294
Battery components have
trouble change battery or
battery holder
Battery
is fully charged,
then protection
Normal after discharge
Y
Y
Y
Y
N
N
N
Figure 3.3.2.3 Troubleshooting diagram for “Do not charge”
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