To diagnose the power supply, examine the connectors first and make sure all are plugged correctly to the motherboard. Capability Cable should probably be plugged to the particular supply. Also check in the event the power switch is turned on, just in case somebody accidentally turned it well. Examine in the event the fans are spinning in the right speed. If they are dirty, clean them a new can of compressed air. Next, assess when the cables give away appropriate voltage amounts by checking within BIOS meal. Generally, normal power supplies give you following voltages: +5 volts DC, -5 volts DC, +3.3 volts DC, +12 volts DC, and -12 volts Topeka.
Now comes the fun part, pulling in the Power pv Wire. Most with the large units require 50 Amps of 240 Volt power. Give that assist need #6 THHN stranded copper twine. You will need four (4) pieces every of two runs. Against the main panel to GFCI then GFCI to hot tub.