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Type of Fault
Code
Name Description Recommend Solution
A22
A23
A24
A25
A26
A27
A33
A34
A35
A36
A37
A38
A39
A40
A41
A42
A43
A44
A45
A46
A47
A48
A49
A50
A51
A52
A53
A54
A55
A56
PV Fault
PV7ReverseFault
PV8ReverseFault
PV9ReverseFault
PV10ReverseFault
PV11ReverseFault
PV12ReverseFault
Pv1AbnormalFault
Pv2AbnormalFault
Pv3AbnormalFault
Pv4AbnormalFault
Pv5AbnormalFault
Pv6AbnormalFault
Pv7AbnormalFault
Pv8AbnormalFault
Pv9AbnormalFault
Pv10AbnormalFault
Pv11AbnormalFault
Pv12AbnormalFault
Pv13AbnormalFault
Pv14AbnormalFault
Pv15AbnormalFault
Pv16AbnormalFault
Pv17AbnormalFault
Pv18AbnormalFault
Pv19AbnormalFault
Pv20AbnormalFault
Pv21AbnormalFault
Pv22AbnormalFault
Pv23AbnormalFault
Pv24AbnormalFault
PV(+) and PV(-) reversed
Connection
• Check PV modules partial occlusion or
cells damaged.
• Check PV module wires and
connectors broken or loose connect,
then repair it.
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