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PH meter-Why does the PH meter do not display when it is turned on?

 Last Update: 2021-11-11
 Source: Internet
 Author: User

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No display at boot

The cause of the failure: 1) The potential of the LCD screen and the main board connection does not match; 2) The connection between the main board and the LCD screen is in poor contact or the instrument is damaged

Remedy: 1) If the backlight is on when the machine is turned on, but there is no display number, you can adjust the potentiometer on the main board; 2) Replace or repair as required

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