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Solution:
1) Check whether the input wiring of the device is short circuited;
2) Check whether the input power voltage is normal. The equipment should be connected to the
matching DC voltage.
(2) In the case of load, common faults are:
A. When the power is turned on, the green light is on, the cooling fan runs, but the inverter
does supply power after being connected.
Analysis:
The device may has been damaged or broken;
Solution:
Detect whether the device has broken down; Replace the device with others.
B. After the power is turned on, the green light becomes dim, the red light is on and the fan
stops running as soon as a device is connected.
Analysis:
1) The total load is too high, which starts the overload protection.
2) The output may be short-circuited, which starts the overcurrent protection;
3) The load may be an inductive load. Equipments such as refrigerator may not be suitable to be used
on the inverter.
Solution:
1) Reduce the total load.
2) Check whether the load is short circuited.
3) Have a look at the user manual to check whether the load is within the applicable scope.
When the power is on, after a period of normal work, the red light is on and the fan stops running.
Analysis:
1) The output may be short-circuited and the inverter may switch to be in the state of overcurrent
protection;
2) The input voltage may be insufficient or too high so the inverter switches to be in the state of under
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