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11.2. Error code and resolutions
Error Code Problems Possible Causes Solutions
OverVolt
Input over
voltage
AC input voltage
may be too high
1. Check the input voltage from the grid.
2. If the voltage is over 253Vac for a short time, wait till
the power supply recovers to normal voltage range.
UnderVolt
Input lower
voltage
AC input voltage
may be too low
1. Check the input voltage from the grid.
2. If the voltage is under 184Vac for a short time, wait till
the power supply recovers to normal voltage range.
OverCurr
Output
overload
AC output current
may be too large
1. Shut down the leakage current protection, then switch o
main power supply from distribution board immediately.
2. Check whether there is low resistance connection
between AC output cables of the charger.
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