Tom medical supplies co.,ltd

Tom medical supplies co.,ltd

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Why the Text of the Fresenius dialysis machine 4008S ’s LCD be twisting?

 Dialysis engineer A: 
Why the Text of the Fresenius dialysis machine 4008S ’s LCD be twisting?
 
Dialysis engineer B: 
 
Does the Voltage have some issue?
Are there any other electronic facility nearby to affect the Fresenius dialysis machine 4008S?
 
Dialysis engineer A:
We did not test the Fresenius machine’s Voltage, this Fresenius dialysis machine is a second-hand machine.
 
The Test has been twisting for long time
Dialysis engineer B: 
To change the board
Drive board
LCD drive board
I suggest to clean the dust frist.
Dialysis engineer A:
The doctor in Dialysis center also suggest to clean the dust firstly.
Dialysis engineer B: 
To Clean the dust , to pull the wire board, to change the drive board.
Great 
Dialysis engineer A:
Good teacher!
 
Dialysis engineer B:
Any issue on dialysis machine LCD is concerning two parts, the LCD and the drive board.
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