Prosound F75 Cannot Access The System

Fault symptom

Voluson E8 cannot power on，The fault picture is as follows：

Fault Analysis:
The equipment cannot power on, and there is no response after pressing the power button. Under normal circumstances, the power indicator light should change from yellow to green after pressing the power button. Therefore, it is possible that the power is not reaching the PC or there is a malfunction in the power board inside the PC. Initially, the power board was replaced, but the fault persisted. Subsequently, change the power supply and the machine is back to normal.

Fault Phenomenon

GE VIVID E9 cannot enter the system after startup. The fault image is as follows.

Fault Analysis:
As shown in the image, the machine did not start up properly after being powered on, indicating a failure to read the system, which is attributed to a malfunction in the system hard drive.  Next is change the hard drive.

Fault Phenomenon:

GE Voluson E8 occasionally fails to power on normally.

Fault Analysis:
After pressing the power button on the GE Voluson E8, the power button indicator flashes, and there is an occasional failure to power on. Sometimes, even when it does power on, it produces an error and cannot enter the system. The issue is suspected to be with the power supply or RFM.

Fault Phenomenon:

GE VIVID E9 cannot power on.

Fault Analysis:
GE VIVID E9 cannot power on, and the backlight of the buttons is not illuminated. It is determined that this issue is caused by a power supply malfunction.

Fault Phenomenon:

The buttons on the GE VIVID E9 are not responsive.

Fault Analysis:
Some buttons on the GE VIVID E9 are not responsive, and occasionally, there is no response even when press hard. It is determined that this issue is caused by a malfunction in the control panel.