Lumens Technology CT-S50 - Manual (Page 19)

17
Chapter 8 Troubleshooting
No. Problems Solutions
1 Abnormal
voltage caused
outage of
charging cart
AC IN / AC OUT are installed with the overload
protection and the external AC breaker respectively to
automatically turn the power off to protect the machine
when the flow of electrical current is abnormal. Press
the switch again to restart the power
2 When there are
up to 48 sets of
equipment, the
data cannot be
synchronized
Due to limited functions of some synchronization
software, computer, or laptop, the data synchronization
for 48 tablets may not be synchronized simultaneously.
Please synchronize data separately for CH1/CH2/CH3
3 Charging failed,
poor charging
efficiency or
data
synchronization
failed
1. Non-authentic charging cable may have defective
material and design, leading to the operation failure.
Thus, authentic device cable is required
2. Poor contact of charging cable or improper insertion
of charged objects may cause the operation failure.
Please unplug and reconnect the charging cable
4 Startup failure 1. Confirm the connection of power cord is secure
2. Restart the External AC breaker and overload
protection