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The inverter is easy to maintain. When you encounter the following problems, please refer
to the Solutions below, and contact the local distributor if the problem remains unsolved.
The following table lists some of the basic problems that may occur during the actual
operation as well as their corresponding basic solutions.
Fault diagnosis table
Types Codes Solutions
Soft Time Out F00
(1)Restart the inverter and wait until it functions normally;
(2) Contact customer service if error warning continues.
INV Volt Short F01
(1) Cut off all the power and shut down all the machines;
disconnect the load and plug in to restart machines, then check
whether the load is short circuited if the fault has been eliminated;
(2) Contact customer service if fault remains unremoved.
GFCI Sensor
Fault
F02
(1) Cut off all the power, Restart the inverter and wait until it
functions normally.
(2) Contact customer service if error warning continues.
Bus Volt Low
or high
F04
F05
(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 short
circuit
F06
(1) Restart the inverter and wait until it functions normally.
(2) Contact customer service if error warning continues.
PV ISO Under
Fault
F07
(1) Check for good ground connection;
(2) Check if the earth resistance of PV+ and PV- is greater than
2M
Ω
;
(3) If it is smaller than 2M
Ω
, check PV string for ground fault or
poor ground insulation; if it is greater than 2M
Ω
, please contact the
local inverter customer service once fault is not removed.
PV Input Short
Circuit
F08
(1) Check the input mode setting is correct.
(2) Disconnect the PV input, restart the inverter and wait until it
functions normally.
(3) Contact customer service if error warning continues.
Relay Fault
F09
F14
F19 (1) Disconnect the PV input, restart the inverter and wait until it
functions normally.
(2) Contact customer service if error warning continues.
INV Current
Over
F10
(1) Wait five minutes for the inverter to automatically restart;
(2) Check whether the load is in compliance with the specification;
(3) Contact customer service if error warning continues.
INV DC Over
F11
(1) Restart the inverter and wait until it functions normally.
(2) Contact customer service if error warning continues.
Ambient
/
Sink
Temp Over
F12
F13
(1) Restart the inverter, restart the machine after a few minutes of
cooling, and observe whether the machine can return to normal.
(2) Check if the ambient temperature is outside the normal
operating temperature range of the machine.
(3) Contact customer service if error warning continues.
Dischg Curr
Over
F15
(1) Wait one minute for the inverter to restart;
(2) Check whether the load is in compliance with the specification;
(3) Contact customer service if error warning continues.
CHG Current
Over
F16
(1) Check if battery wiring port is short circuited;
(2) Check if charging current is in compliance with presetting;
(3) Contact customer service if error warning continues.
Current
Sensor Fault
F17
(1) Restart the inverter and wait until it functions normally.