68 69
Bat Over Vol 05
27
(1)Check if the battery is in line with the
presetting, If so, power off and restart.
(2)Contact customer service if error warning continues.
gird low vol 06 (1)Check if the grid is abnormal.
(2) Restart the inverter and wait until it functions
normally.
(3) Contact customer service if error warning continues.
grid over vol 07 (1)Check if the grid is abnormal.
(2) Restart the inverter and wait until it functions
normally.
(3) Contact customer service if error warning continues.
grid low freq 08 (1)Check if the grid is abnormal.
(2) Restart the inverter and wait until it functions
normally.
(3) Contact customer service if error warning continues.
grid overFreq 09 (1)Check if the grid is abnormal.
(2) Restart the inverter and wait until it functions
normally.
(3) Contact customer service if error warning continues.
gfci over 10 (1)Check PV string for direct or indirect grounding
phenomenon.
(2)Check peripherals of machine for current leakage.
(3)Contact the local inverter customer service if
fault remains unremoved.
SolarUnconect 11 (1)PV is not connected.
(2)PV switch is not closed.
(3)Check PV availability.
Grid CtReverse 12 (1)Check whether the CT is connected in the correct
direction.
(2)Contact customer service if error warning continues.
bus under vol 13 (1)Check the input mode setting is correct.
(2)Restart the inverter and wait until it functions normally.
(3)Contact customer service if error warning continues.
bus over vol 14 (1)Check the input mode setting is correct.
(2)Restart the inverter and wait until it functions normally.
(3)Contact customer service if error warning continues.
inv over cur 15 (1)Restart the inverter and wait until it functions normally.
(2)Contact customer service if error warning continues.
chg over cur 16 (1)Check if battery wiring is short circuited.
(2)Check if charging current is in compliance with
(3)Contact customer service if error warning continues.
bus vol osc
inv under vol
inv over vol
InvFreqAbnor
17
18
19
20
(1)Cut off all the power and shut down all the
machines and restart.
(2)Contact customer service if error warning continues.
env temp high 21
(1)Cut off all the power of the machine and wait one hour,
then turn on the power of the machine.
(2)Contact customer service if error warning continues.
bat over temp 23 (1)Disconnect the battery and reconnect it after an hour.
(2)Contact customer service if error warning continues.
Bat UnderTemp 24
(1)Check the ambient temperature near the battery to
see if it meets the specifications.
(2)Contact customer service if error warning continues.
BatCellUnball 25
(1)Break the grid, use the battery to supply power to
the load, reconnect the grid side switch after half an
hour, Wait another half an hour and check the fault
status again.
(2)Contact customer service if error warning continues.
Fault diagnosis and solutions
Fault diagnosis and solutions
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