Reason analysis:
1, the first level filter plug is blocked: clean or change the first level filter plug
2, the second level filter felt is blocked: clean or change the second level filter felt
3, the input power is not enough: do not use branch socket, move it to a socket with stable power
4, the intake line of compressor is twisted: straighten the intake line
5, there is leakage of the safety value of compressor: repair or change the safety value
6, the adsorption tower line is loose and there is leakage: tighten the adsorption tower line again
7, the ventilation volume of the air valve is not enough: change the air valve
8, main control circuit board failure: change the main control circuit board
Attention:
First, cut off the power and then ask professionals to repair or return to factory for repairing
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