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Fault diagnosis and solutions
Grid over vol
06
Grid voltage is abnormal
(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
gfci low freq
08
Grid Frequency is
abnormal.
(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
low freq
09
Gfci over
10
Inverter GFCI exceeds
standard.
(1) Check PV string for direct or indirect
grounding phenomenon.
(2) Check peripherals of inverter for current
leakage.
(3) Contact the local inverter customer
service if
fault remains unremoved
Bus under vol
13
BUS voltage is lower than
normal.
(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
BUS voltage is over
maximum value.
(1) Check the input mode setting is correct.
(2) Restart the inverter and wait until it
functions normally.
Inv over cur
15
The inverter current
exceeds the normal value.
(1) Restart the inverter and wait until it
functions normally.
Chg over cur
16
Battery charge current over
than the Inverter maximum
voltage.
(1) Restart the inverter and wait until it
functions normally.
Inv under vol
18
INV voltage is abnormal
(1) Check if the INV voltage is abnormal.
(2) Restart the inverter and wait until it
functions
normally.
(3) Contact customer service if error warning
continues.
Inv over vol
19
InvFreqAbnor
20
INV frequency is abnormal
(1) Check if the INV frequency is abnormal.
(2) Restart the inverter and wait until it
functions
normally.
(3) Contact customer service if error warning
continues.
lgbt temp high
21
The inverter temperature is
higher than the allowed
value
(1) Cut off all the power of the inverter and
wait one hour, then turn on the power of the
inverter.
Bat over temp
23
Battery temperature is
higher than the allowed
value.
(1) Disconnect the battery and reconnect it
after an hour.
Содержание VT-66036103
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