Common faults and causes of air compressor computer board controller

This or that problem may occur when the air compressor is used for a long time, which requires us to understand the possible problems first. So, what are the common faults and causes of the air compressor computer board controller?

(1) Problem: Incorrect exhaust pressure or temperature value
Possible reasons: ① Abnormal system calibration parameters ② DA chip failure

(2) Solenoid valve is not loaded
Possible reasons: ①The controller has no output ②The basic parameter setting is wrong ③Burn

(3) Pressing the start button has no response
Possible reasons: ①The button is damaged ②The system is abnormal ③The display panel is faulty, etc.

(4) LED does not light up after booting
Possible reasons: ① All-in-one machine fault ② LED light board fault ③ Line problem, etc.

(5) Problem: No response from the display when powering on
Possible reasons: ①The power supply is not connected ②The display is faulty ③The data upload communication fault.

(6) Problem: The indicator light of the monitor flashes, but the screen does not respond
Possible reasons: ① System power failure ② Transformer failure, etc.

(7) Problem: Can't boot
Possible reasons: ① system CPU failure ② system program failure ③ main board internal circuit failure ④ abnormal voltage, etc.

(8) Problem: The display has backlight but no display
Possible reasons: ① Poor circuit contact ② Display aging, etc.