Fault Code and Trouble Shooting
TYPE OF
FAULT
CODE
NAME
DESCRIPTION
RECOMMEND SOLUTION
PV FAULT
A01
PvConnectFault
PV connection type
different from setup
• Check PV modules con-
nection
• Check PV Mode setup Ref.
Chapter 5.3.
A02
IsoFault
ISO check among
PV panels/ wires and
ground is abnormal
• Check PV modules wires,
those wires are soaked or
damaged, and then carry
out rectification.
• if the fault occurs contin
ously and frequently, please
ask help for local distribu-
tors.
A03
PvAfciFault
PV current arcing
• Check PV modules wires
and connectors broken or
loose connect, and then
carry out rectification.
• If the fault occurs contin
ously and frequently, please
ask help for local distribu-
tors.
A04
Pv1OverVoltFault
PV Voltage over
• Reconfiguration of PV
strings, reduce
the PV number of a PV
string to reducing
inverter PV input voltage.
• Suggestion that contacting
with local
distributors.
A05
Pv2OverVoltFault
A06
Pv3OverVoltFault
A07
Pv4OverVoltFault
A08
Pv5OverVoltFault
A09
Pv6OverVoltFault
A10
Pv7OverVoltFault
A11
Pv8OverVoltFault
A12
Pv9OverVoltFault
A13
Pv10OverVoltFault
A14
Pv11OverVoltFault
A15
Pv12OverVoltFault
A16
PV1ReverseFault
PV(+) and PV(-)
reversed Connection
• Check PV(+) and PV(-)
Connect whether reversed
or not.
• If reversed, make correc-
tion.
A17
PV2ReverseFault
A18
PV3ReverseFault
A19
PV4ReverseFault
A20
PV5ReverseFault
A21
PV6ReverseFault
A22
PV7ReverseFault
A23
PV8ReverseFault
