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Issue Root Cause Solution
Low power / incorrect battery
model
Incorrect battery installation
Incorrect external supply
voltage
Working temperature is too
high/too low
SD card damage
Machine damaged
Low battery
Poor contact of power line
Use the adequate battery or
external power supply
Reinsert or replace with a
qualified power line
Replace battery with adequate
power and correct model
Correctly install battery according
to instructions
Ensure power supply at specfied
voltage
Ensure working at proper
temperature
Replace with qualied SD cards
If none of the above methods
work,the machine may has been
damaged, please
contact us
Cannot Boot
Suddenly shut
down
QA
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support@wimius.com