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voltage or over voltage protection.
Solution:
1) Check whether the device is short circuited;
2) Check whether the input power voltage is normal. The device should be connected to the matching
DC voltage.
When the power is on, after a period of normal work, the green light stays on, the fan runs and makes
a noise.
Analysis:
The inverter works continuously, the temperature inside the shell rises. In order to cool down faster,
the fan runs with higher speed, which leads to larger noise. It is normal phenomenon.
When the power is on, after a period of normal work, the red light turns on, the fan runs and makes a
noise.
Analysis:
The inverter works in a high temperature environment for a long time and switches to be in the state
of high temperature protection.
Solution:
The temperature inside the inverter may be too high. Please turn it on again when it has been cooled
down.
When the power is on, after a period of normal work, both the green light and the red light are off.
The fan stops running.
Analysis:
1) The input power may be broken;
2) The internal parts of the inverter may have been damaged;
Solution:
Check whether the input power supply is working properly;
Check whether the inverter is short circuited and check whether the fuse is damaged. If there is no
short circuit, the internal failure needs to be further figured out.