If your machine is not working properly, we want to correct the issue as quickly as possible. To do that we need your help – please follow these instructions and let us know if you have questions during the process.

Beginning from Oct. 1st, 2016, a 180-day warranty is provided starting from the shipping date. Repair tickets must be created within that 180-day period, otherwise the warranty will be void.

The Work Order process:

1. Locate the defective part and confirm the issue 

2. Prepare the shipment

3. Create a Repair ticket

4. Instructions for out of warranty repair

5. Picture of Miner Components

Here are the details:

1.      Locate the defective part and confirm the issue.  Buy a spare part?

a.      If you are able to troubleshoot and are certain which part is faulty you can create the repair ticket and ship the part to us. Online troubleshooting?

b.       If you are not certain how to locate the faulty part, please contact us for help. Online consultaion?

c.    If the hashboard is burnt, oxidized, broken or the PIN on it is fallen off, it will be scraped and can not be fixed. Please do not return it anymore. Scrap or not?

2.      Prepare the shipment.

a.       Pack the parts carefully. Shipment damage will void the warranty. If PINs are damaged on the hash board, we cannot repair or replace the board and you will need to make a claim with your shipper. Here is a video demonstrating how to pack the hash board: How to pack?

b.      For the miner, please do NOT return the whole unit except for S9/R4/T9 bought after Oct. 1st, 2016 (Return the whole unit of S9/R4/T9 bought after Oct. 1st, 2016, just return the defective part (Hash board, IO board or BB board). What's IO board or BB board?

c.       As for the PSU, please do NOT return and contact us if there is any problem with your PSU.

d.      Click 'Print' on upper-right coner to print two copy of Repair Ticket. Stick one copy outside the package and put the other copy inside the package. The package will be rejected if there is no two copy of Repair Ticket.

e.      Please be sure to declare value “within $45” and describe the product as “Warranty part” on the waybill, otherwise the extra customs clearance fees will be billed to the client.

f.        Be sure mark "deliveries are made on working days only" and "Antminer" on the items description of the waybill. We are not liable for any delay due to this information not being included on the package.

g.       We will not accept "Freight Collect". Per the terms of our warranty coverage you need to pay for the shipment to us. We will pay for the return shipment once the repair is complete, subject to warranty coverage.

h.      Consignee (Repair ticket is needed)

       1) HongKong Delivery Add (Available to customers from all over the world)

Name:FUKWOK KWONG-No.3811

Company Name:TUNG-D INTERNATIONAL DEVELOPMENT LIMITED-No.3811

Add: Unit 104, 1/F, Sunbeam Centre, 27 Shing Yip Street, Kwun Tong, Kowloon, Hong Kong

Tel: +852-2750 5059 (The number is only available for logistics, not for service)                

Warehouse: +852-2750 5150

2) US Delivery Add (Only available to customers from US and tracking No. should be provided to us by email after creating repair ticket) Online consultaion?

Name: Tomrepair-Bitmain

Add: 5640 Grace Place, Commerce, CA 90022, USA

Tel: (+1) 626 362 7240

3.      Create a Repair ticket. How to create a repair ticket?

a.       Log into your Bitmain account and click “Create repair ticket”. Create a repair ticket now?

b.      Read the After-sales service terms, click the “Accept the Above Terms of Service and Statement” box and click “Next”.

c.       Complete the requested information and click “Next”

d.      Complete the Delivery Tracking Number, Delivery Logistics and Shipping address information.

e.      Confirm

f.        Once the ticket is complete you can go to “My Repair Tickets” to view and edit your tickets.   

     4.      Instructions for out of warranty repair

a.       Please contact us first before returning for repair.

b.      The bill will be sent to you once the machine is repaired. Be sure to pack parts well before shipping out.

c.       If the boards get damaged during transport, we cannot repair them.

d.      If you have any objections about the repair cost, please contact us for help. Online consulation?

e.       Consignee:

        Company name: Bitmain Warranty

        Address: 3700 Quebec Street, Unit 100-239 Denver, Colorado 80207, USA.

       Tel: 844-248-6246     

f.      To contact us for repair out of warranty: Contact now?    

      5.      Pictures of Miner Components