Knowledge base

After-Sales FAQ (8)

Includes Miner FAQ, Watch FAQ, Transportation FAQ, Accessories FAQ, and others.

Miner related FAQ (27)

Which mining pools does the miner support?
Does my miner support other cryptocurrencies?
What type of power supply should I use for the BOX series?

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Watch related FAQ (18)

How to recovery factory setting to watch?
If I want to return or exchange the watch, what should I do?
How can I find the valid serial numbers (SN) of the watch?

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Transportation related FAQ (8)

How to pack miner's PSU properly?
How to pack miner properly?
How to pack the hashboard properly?

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Accessories related FAQ (3)

Can you provide the specifications of the parts, such as the fan, Wi-Fi antenna, chips or some screws?
Can I purchase the hashboard from you?
How can I purchase spare parts from you?

Goldshell Zone FAQ (4)

What should I do if my miner cannot connect to Goldshell Zone and shows "login fail"?
The deleted miner reappears in the miner list.
The scanned miner fails to connect to the Goldshell Zone and displays a login error message.

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Others (6)

How to submit support ticket from the APP, web or web widget correctly?
How to enter debug website and obtain the logs?
Do you buy back miners?

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uGW800Pro (8)

My miner information is displayed on the front page of the uGapp, but the deployment location is empty. What should I do?
Why my miner always shows as “Offline”?
What should I do if I set up my miner but the indicator light is always red?

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After-sales fees (1)

Shipping Cost

Order FAQ (3)

Shipping, Order Payment, Order Status

Shipping (6)

How long will I received the package?
What should I declare as the value of my parcel?
May I choose the shipping carrier for the package?

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Order payment (6)

How to place an order?
What is Crypto.com Pay and how this platform works?
May I cancelled my order once placed and get the refund?

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Order status (4)

What is the status listed in my Zhen Chain Micro account?
How long will it take me to receive the tracking number?
Why is my order status 'On Hold'?

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Minor Issues And Solutions (1)

Includes commonly encountered issues that users may experience, along with troubleshooting tips.

Miner operation related issues (11)

The miner has been shut down due to high-temperature protection being triggered.
The new miner cannot obtain an IP address
Red light blinks slowly/IP cannot be found/cannot enter the miner dashboard

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Miner Information (2)

Contains basic information about each type of product, such as power consumption, computing power, normal operating temperature, Hashrate mode, etc.

Miner Specification (3)

BOX Series Miner Specification
Professional Series Miner Specification
Previous Miner Specification

Other information (4)

Some common phrases used in after-sales service
Mining Pool
Check Miner Warranty

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User Guides (1)

Includes product manuals and some miner operating instructions.

Disassembly and Assembly Tutorials (8)

Tutorial on Replacing the Control Board of a Professional Miner
Guide to Replacing the Power Supply of a Professional Miner
Tutorial on Replacing Hash Board of a Professional Miner

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