Troubleshooting; Indicatorstate; Fault Code - Alpha ESS SMILE-EVCT11 Installation & Operation Manual

TROUBLESHOOTING

05 Troubleshooting

5.1 IndicatorState

State Description
In the standby Normal
Charging status Normal
Plugged gun state Normal
Software upgrade Normal
Ground warning Normal
Relay adhesion Fault
Input polarity
Fault
reverse
CP fault Fault
Leakage current
Fault
fault
Input terminal
Fault
overtemperature
Relay
Fault
overtemperature
Under voltage fault Fault
Over voltage fault Fault
Overload fault Fault
Over frequency fault Fault
Owe frequency fault Fault
Leakage current loop
Fault
abnormal
19
LED Status
Flashing green, 1S on, 4S off
Breathing green, 1S on, 1S off
Breathing yellow, 1S on, 1S off
Green light flash
Flashing yellow, 2S on, 2S off
Red light normally on
Flashing red, 500ms on, 500ms off,
1 time, 3S off, Cycle
Flashing red, 500ms on, 500ms off,
2 times, 3S off, Cycle
Flashing red, 500ms on, 500ms off,
3 times, 3S off, Cycle
Flashing red, 500ms on, 500ms off,
4 times, 3S off, Cycle
Flashing red, 500ms on, 500ms off,
5 times, 3S off, Cycle
Flashing red, 500ms on, 500ms off,
6 times, 3S off, Cycle
Flashing red, 500ms on, 500ms off,
7 times, 3S off, Cycle
Flashing red, 500ms on, 500ms off,
8 times, 3S off, Cycle
Flashing red, 500ms on, 500ms off,
9 times, 3S off, Cycle
Flashing red, 500ms on, 500ms off,
10 times, 3S off, Cycle
Flashing red, 500ms on, 500ms off,
11 times, 3S off, Cycle
20

5.2 Fault Code

Error Code Problems Possible Causes
AC input voltage
Input over
OverVolt
may be too
voltage
AC input voltage
Input lower
UnderVolt
may be too
voltage
AC output current
OverCurr Output overload
may be too
AC input frequency
Input over
OverFreq
frequency
AC input frequency
Input lower
UnderFreq
frequency
Temperature
Over
may be too low
OverTemp
temperature
inside the
Leakage current to
Over leakage
the earth may be
Over DCLeak
current
too high.
Reverse
Reverse connection
PhaseError
connection
put cable.
Poor connection
Charging cable
CableRCError connection of charging
cable with
abnormal
EV/Charger.
TROUBLESHOOTING
Solutions
1. Check the input voltage from the backend.
2. If the voltage is over 276Vac for a short time，
high. wait till the power grid recovers to normal
voltage range.
1. Check the input voltage from the backend.
2. If the voltage is under 184Vac for a short time,
low.
wait till the power grid recovers to normal
voltage range.
1. Shut off the leakage current protection switch
of power distribution cabinet immediately.
2. Check whether there is low resistance
large.
connection between AC output cables of the
charger.
1. Check the input voltage frequency from the
backend.
may be
2. If the frequency exceeds 63Hz for a short time,
too high.
wait till power grid recover to normal voltage
range.
1. Check the input voltage frequency from the
backend.
may be
2. If the frequency is lower than 47Hz for short
too low.
time, wait till power grid recover to normal
voltage range.
1. Check the surrounding conditions of chargers
installed whether there is heating device nearby
Ensure the ambient temperature is under 60℃.
charger.
1. Shut off the leakage current protection switch
of distribution cabinet immedi-ately.
2. Check whether there is broken of AC output
cables or low resistance connection to the earth.
1. Shut off the leakage current protection switch
of power distribution cabinet immedi-ately.
of L/N in
2. Check if AC input/output cables are normal,
and if inverse connection of L/N input cables.
1. Check if charging cable connection is correct
and firm.