Today is My Hemodialysis Day

tired and sick...to settle this big machine problem.....
no voltage supply at V24,V24b,V30,V36.......(V=Valve)
all boards was swapped...but the problem solution still not found...
motherboard..hydraulic pump board...3 times was swapped and the problem is still the same..
the manufacturer is fresenius and model 4008S..
do not know what to do..and we have no idea..
start 9 am to 430 pm only faced the hemodialysis machine...
person was attend at am : masri(bems tech), nizam (bems tech), zubaidah(trainee),me
person was attend at pm : me, nizam (bems tech)

haemodialysis machine connect to the patient

part of machine which needed to repair

valve checking

hydraulic pump board checking (main-main lagi bah!)

wire connection checking by mr nizam

motherboard