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for safety, and electromagnetic compatibility requirements. Before delivering to
the customer the inverter has been subjected to several tests to ensure its
optimal operation and reliability.
In the case of failure the LCD screen will display an alarm message. In this case
the inverter may stop feeding energy into the grid. The alarm description and
their corresponding alarm messages are listed Table 9.1.
Error code
Description
F01
DC input polarity reverse fault
F02
DC insulation impedance permanent fault
F03
DC leakage current fault
F04
Ground fault GFDI(battery and grounding)
F05
Read the memory error
F06
Write the memory error
F07
GFDI blown fuse
F08
GFDI grounding touch failure
F09
IGBT damaged by excessive drop voltage
F10
Auxiliary switch power supply failure
F11
Ac main contactor errors
F12
Ac auxiliary contactor errors
F13
reserved
F14
DC firmware over current
F15
AC firmware over current
F16
GFCI(RCD) Ac leakage current fault
F17
Three phase current, over-current fault
F18
AC over current fault of hardware
F19
All hardware failure synthesis
F20
DC over current fault of the hardware
F21
DC leakage flow fault