B ultrasonic probe adopt many core high shield cable which quality requirements are high and work is very fine and inser wire of cable is strict. Due to all-round use of probe, cable bending or reverse will make insulating layer of cable reserve damage, so image will produce interference ripple and defect

Fault phenomena: When repair 15L8W-S probe of Siemens, the show imge is serious interference and full screen appears snowflake light and flashing feels are strong and you cann’t adjust gray. When you replace the new probe, there is no phenomenon.

Analysis and maintenance: Because probe is effected by external factor or operators use wrong. The probe place is located improper for a long time and it leads to cable

internal wire fracture. Open outer covers and cut total shielding wire and choose damage line. After welding well, use scotch tape to wrap a layer. Then use multimeter 1kΩ to measure it. After connecting, you connect wire screen well and wrap the tape well. If many damaged, the way is the same with up. Start the machine, weld the outside general shielding wire well after everything is normal. Then use high pressure electricity rim plastic tape fix outside covers.

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