27
several reset.
IntProtectF
When direct current is at low
voltage, Soft start overtime
protection
Please contact with local dealer if error remains the same after
several reset.
IntProtectG
Bus voltage differential protection Please contact with local dealer if error remains the same after
several reset.
IntProtectH
Low Bus voltage protection
Please contact with local dealer if error remains the same after
several reset.
IntProtectI
High Bus voltage protection
Please contact with local dealer if error remains the same after
several reset.
IntProtectJ
Inverter bridge protection
Please contact with local dealer if error remains the same after
several reset.
IntProtectK
Bus hardware overvoltage
protection
Please contact with local dealer if error remains the same after
several reset.
IntProtectL
Power module protection
Please contact with local dealer if error remains the same after
several reset.
IntProtectM
1.electricity grid unbalance
2.
Unbalanced
current protection
1.After
electricity
grid returns to normal,
the mac
hine will
automatically restart.
2.Please contact with local dealer if error remains the same after
several reset.
IntProtectN
1.Electricity grid abnormal
2.Hardware
overcurrentprotection
1.After
electricity
grid returns to normal,
the mac
hine will
automatically restart.
2.Please contact with local dealer if error remains the same after
several reset.
IntProtectO
MCU protection
Please contact with local dealer if error remains the same after
several reset.
IntProtectP
Frequency fault protection
Reset grid frequency in accordance to local grid standard
IntProtectQ
DCI too high protection
Please contact with local dealer if error remains the same after
several reset.
IntProtectR
DCI offset protection
Please contact with local dealer if error remains the same after
several reset.
IntProtectS
Voltage offset protection
Please contact with local dealer if error remains the same after
several reset.
IntProtectT
PV over current protection
Please contact with local dealer if error remains the same after
several reset.
IntProtectU
Internal
hardware
abnormal
protection
Please contact with local dealer if error remains the same after
several reset.
IsolationErr
1.PV(+) or PV(-) earthing
2.Lightening
3.Machine failure
1.Check
PV(+)
and
PV(-)
ground impedance
,
make
sure impedance is more than 2M
Ω
.
2.Please contact with after-sales if error remains the same after
several reset.
PV.Reverse
1.PV polarity reverse protection
2.Machine failure
1.Turn off input/output switch,check if pv polarity is correct or
not, for troubleshooting.
2.Please contact with after-sales if error remains the same after
several reset.
PVVoltOver
PV The input voltage is too high
1. Adjust the panel configuration to lower the input voltage.