Maintenance & Trouble Shooting
32
Fault Code and Trouble Shooting
Type of Fault Code
Name
Description
Recommend Solution
PvAfciFault
A03
A04
A05
A06
A07
A08
A09
A10
A11
A12
A13
A14
A15
PV current arcing
• Check PV modules wires and
connectors broken or loose connect, and
then carry out rectification.
• If the fault occurs continuously and
frequently, please ask help for local
distributors.
IsoFault
A02
PvConnectFault
PV Fault
A01
PV connection type
different from setup
• Check PV modules connection
• Check PV Mode setup Ref.
Chapter 5.3.
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 continuously and
frequently, please ask help for local
distributors.
Pv1OverVoltFault
Pv2OverVoltFault
Pv3OverVoltFault
Pv4OverVoltFault
Pv5OverVoltFault
Pv6OverVoltFault
Pv7OverVoltFault
Pv8OverVoltFault
Pv9OverVoltFault
Pv10OverVoltFault
-
-
-
PV6ReverseFault
A16
A17
A18
A19
A20
A21
PV1ReverseFault
PV2ReverseFault
PV3ReverseFault
PV4ReverseFault
PV5ReverseFault
PV Voltage over
PV(+) and PV(-) reversed
Connection
• Reconfiguration of PV strings, reduce
the PV number of a PV string to reducing
inverter PV input voltage.
• Suggestion that contacting with local
distributors.
• Check PV(+) and PV(-) Connect
whether reversed or not.
• If reversed, make correction.
Pv12OverVoltFault
Pv11OverVoltFault