Warranty

Warranty Policy

This Warranty Policy outlines the coverage, terms, and process for repairing or replacing cryptocurrency mining hardware (“Products”) purchased from Annminer Inc. By buying Products (ASIC miners, mining rigs, accessories), you agree to these warranty rules.

1.

What’s Covered & Warranty Periods

Manufacturer’s Warranty (For Brand New Miners)

For brand new mining machines, please refer to the warranty policy on their official brand website. (e.g, The Antminer S19 and subsequent models have a 365-day warranty.) You can also contact your local authorized brand service center for assistance. The warranty covers defects in materials / workmanship, including:

  • Non-functional hash boards or ASIC chips.
  • Faulty control boards (e.g., no power, unresponsive display).
  • Defective cooling systems (fans, heat sinks) that cause overheating.

Annminer Warranty (For Used Miners & Accessories)

For used machines and miner accessories, Annminer provide a 90-day warranty service after delivery. During this period, if the mining machine(s) encounters any malfunction, please contact our after-sales service promptly for assistance.

2.

What’s NOT Covered

No warranty applies to damage or issues caused by:

  • User Negligence: Blocked cooling vents (causing overheating), improper installation (e.g., wrong voltage), or physical damage (drops, water exposure).
  • Misuse: Overclocking ASIC miners beyond manufacturer limits, using accessories with incompatible hardware (e.g., a 220V PDU in a 110V region).
  • Normal Wear: Dust buildup on heat sinks, worn fan blades, or reduced hash rate from long-term use (not a defect).
  • External Factors: Power surges (from storms or faulty outlets), mining software errors, or cryptocurrency network changes (e.g., algorithm updates).
  • Unauthorized Modifications: Opening the miner’s case, replacing parts with non-manufacturer components, or repairing by uncertified technicians.
3.

Key Warranty Rules

  • Serial Number Requirement: Your Product’s serial number must be intact and unaltered, we can’t process claims for Products with missing/changed serial numbers.

  • Return Shipping: Annminer covers shipping costs for defective Products being returned (For used machines & Miner Accessories). You cover shipping for replacements if the defect is your fault.

  • Refurbished Products: If we replace your product with a refurbished one, it comes with a extented 90-day warranty (same coverage as the original).

  • International Claims: For mining machines sent back for repair, warranty processing may take 1–2 weeks longer (due to customs). You’re responsible for complying with local import laws for returned products.

4.

Warranty Exceptions for Pre-Orders

Pre-ordered mining hardware (e.g., Pre-payment orders or upcoming ASIC miners) has the same warranty coverage, The warranty period starts on the actual delivery date (not the pre-order date). If a pre-ordered product is delayed by the manufacturer, we’ll extend your warranty by the number of delay days, So don’t worry about this.

5.

How to File a Warranty Claim

Follow these steps to request a repair or replacement:

  • Step 1: Check Eligibility: Confirm your product is within the warranty period (use your delivery confirmation email to verify dates).
  • Step 2: Submit the Claim: Email us to: support@annminer.com with your order number, full name, shipping address, defect description. (Attached with clear photos/videos of the defect)
  • Step 3: Get Approval & Return: We’ll review your claim and reply you with return instructions within 3 business days if approved.
  • Step 4: Receive Repair / Replacement: We’ll fix the product and ship it back within 5~7 business days, Or send a new / refurbished one within 3~5 business days of receiving your returns.

Any other warranty questions or to check claim status, please feel free to contact us.