Troubleshooting
8 - 14 Problems & Possible Solutions
8
When the battery is being
used to power the system
in an environment with an
ambient temperature of
below 10
°C/50°F, the
battery reaches a low
level very quickly.
This can occur as the battery cell performs poorly in a low temperature environment, especially
with a discharge rate of over 2C. Systems powered by the battery will perform normally at
environmental temperatures over 10
°C/50°F. To use the system at environmental temperatures
below 10°C/50°F, it is recommended that the system is powered by the AC/DC adapter.
Battery Notes:
Note that when the battery capacity is measured it may read less than the 5300mAh indicated on
the label, and possibly less than 5000mAh. This can be due to either of the following factors:
• The battery capacity listed on the label is defined by cell character specification. There
is a -5% capacity tolerance based on a test at 0.2C charge/0.2C discharge. Therefore
5035mAh (-5% of 5300mAh) meets the battery capacity specification listed.
• This system runs with a 0.6C charge/1C~2.5C discharge rate. The higher system charge/
discharge rate can result in a lower battery capacity measurement reading.
The fingerprint reader
has problems scanning
fingers.
When fingers are wet or sweaty the software application may have difficulty reading a scanned
finger. Make sure your fingers are clean and dry when attempting to scan them across the sensor
for detection.
Problem Possible Cause - Solution
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