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4.2 Fault Code and Resolution
Error Code Problems Possible
Solutions
Input over voltage
AC input voltage
may be too high.
1. Check the input voltage on your app.
2. If the voltage is over 253Vac for a
short time, wait till the grid supply
recovers to normal voltage range.
Input lower voltage
AC input voltage
may be too low.
1. Check the input voltage from the back
2. If the voltage is under 184Vac for a
short time, wait till the power grid
recovers to normal voltage range.
Output overload
AC output current
may be too large.
1. Shut off the leakage current
protection, then switch off power
distribution cabinet immediately.
2. Check whether there is low resistance
connection between AC output cables of
Input over
frequency
AC input
frequency may be
too high.
1. Check the input voltage frequency
from the back end.
2. If the frequency exceeds 63Hz for
a short time, wait till power grid
recover to normal voltage range.
Input lower
frequency
AC input
frequency may be
too low.
1. Check the input voltage frequency
from the backend.
2. If the frequency is lower than 47Hz for
short time, wait till power grid recover to
temperature
Temperature may
be too low inside
the charger.
1. Check the surrounding conditions of
chargers installed whether there is
heating device nearby. Make sure
environmental temperature is under
Over leakage
current
Leakage current
to the earth
may be too high.
1. Shut off the leakage current
protection, then switch off power
distribution cabinet immediately.
2. Check whether there is broken of AC
output cables or low resistance
Reverse connection
Reverse
connection of L/N
input cable.
1. Shut off the leakage current
protection, then switch off power
distribution cabinet immediately.
2. Check if AC input/output cables
are normal, and if inverse connection
Charging cable
connection
Poor connection of
charging cable
1. Check if charging cable connection is
correct and firm.
Note: If the above problems cannot be solved, please contact: duracellenergy.com/contact