
www.connectinglegacy.com
- 21 -
4) Click on “Esc”, and wait till the connection done.
7.Abnormal situation handling
Fault phenomenon
Cause of issue
Approach
Inverter cannot be turned on
AC input failure
Check if the AC input switch is closed
Check if the line is open
Abnormal communication
PC TAHcannot read device information
Whether the device is turned on
Is the PC software used correctly?
Whether the PC software correctly reads the
serial port
Signal line wiring and address are correct
Equipment overload
Excessive power or short circuit
Check if the load is less than the rated
power of the device
Confirm if there is a short circuit condition
Battery failure
Fault light (red light) is always on
Press the SET button 6S, all the indicators
light up at the same time, release the SET
button, if it can not be solved, please
contact the manufacturer
Inverter failure
System operation error
Disconnect the load and reboot