Notice:
1.How to confirm if the power supply is DOA:
a.Plug the power cord in power supply firstly.
b.Find a metal tweezers/wire clips.
c.Short circuit the pin 24 wire (connect the 24 green wire to 24 black wire with a metal shown as the last item pic), then power up and see if the fan works.
d.If the fan works, the power supply is fine.
Otherwise,the power supply may be damaged during the shipment and please contact us for a replacement.
2.If the product is DOA, please contact us and we will replace a new one to you for free.We do our best to protect the interests of customers.
3.If the product suddenly fails to work, please replace the adapter cable(we have equipped a free one). The adapter cable is a consumable, which will be damaged under long-term high-power work