PCB Diagnostic & Repair

PCB Troubleshooting. I have a pcb that someone designed for me, i have had it built but it is not connecting to the machine. I require someone to take a look for me, answer my questions and determine where the fault is... (Budget: £20 - £250 GBP, Jobs: Circuit Board Layout, Circuit Design, Debugging, Electrical Engineering, Electronics, PCB Design and Layout, PCB Layout, Troubleshooting)