Photovoltaic Solar Inverter Series ES
Status Diagnosis and Troubleshooting
The capacitors of the DC bus
cannot be discharged
correctly.
1. Disconnect all
PV (+)- or PV (-)
connections.
2. Wait a few seconds.
3. After the LCD
display goes out,
restore all the
connections and
check again.
4. If the error occurs
again, please
contact your dealer.
Malfunction on the output relay
of the photovoltaic solar
inverter.
Output current
sense fail
Error in the output current
reading.
The current in the DC mains is
higher than expected.
PV inverter output
DC current over
spec.
DC current at output of
photovoltaic solar inverter is
too high.
The photovoltaic solar inverter
is in emergency power off
mode.
5. Detach the
connection at the
EPO connection.
6. If the error occurs
again, please
contact your dealer.
Over-current on the AC side.
The current in the AC mains is
higher than expected.
7. Turn off the AC
current switch, check
the peripheral AC
current system
configurations and
the mains
conditions.
8. If the error occurs
again, please
contact your dealer.
Over-load on the AC side.
The mains load in the AC
mains is higher than
expected.
PV inverter
short-circuit
Short circuit on the AC side.
The photovoltaic solar inverter
is not in phase with the mains
electricity.