Product Warranty
Our Commitment to Quality
At MinerKuber.com, we only sell brand new, factory-sealed ASIC mining equipment sourced directly from official manufacturers and authorized distributors. Every unit is inspected before dispatch.
We stand behind every product we sell. This Warranty Policy describes what is covered, for how long, and how to make a claim if something goes wrong with your equipment.
Warranty Periods by Brand
Warranty periods are set by manufacturers and may vary by model. The following are standard warranty periods as of 2026:
| Brand | Standard Warranty | Notes |
|---|---|---|
| Bitmain Antminer | 180 days | Hashboards, PSU, control board |
| MicroBT Whatsminer | 180 days | Full unit |
| IceRiver | 180 days | Manufacturing defects only |
| Goldshell | 180 days | Full unit |
| Jasminer | 180 days | Full unit |
| Canaan Avalon | 180 days | Full unit |
| Auradine | 365 days | Full unit + software support |
| Other brands | 180 days | Confirm at time of purchase |
The warranty period begins from the date of delivery to the buyer. For hosted miners, it begins from the date the miner goes online at our facility.
What Is Covered
- Manufacturing defects in materials or workmanship
- Hashboard failures not caused by external factors
- Control board malfunctions under normal operating conditions
- Power supply unit (PSU) failures due to defects
- Fan failures under normal use
- Firmware bugs confirmed by the manufacturer
- Units that arrive Dead on Arrival (DOA) — full replacement within 15 days
What Is Not Covered
- Damage caused by improper installation, incorrect voltage, or unstable power supply
- Physical damage due to drops, impacts, flooding, or fire
- Damage caused by overclocking, unauthorized firmware modification, or unauthorized repairs
- Normal wear and tear including cosmetic damage
- Units with tampered or removed serial number labels
- Damage caused by environmental factors such as dust, humidity, or extreme temperatures outside specified operating range
- Loss of profitability or revenue resulting from miner downtime
- Used or refurbished units unless explicitly stated at time of sale
How to Make a Warranty Claim
To initiate a warranty claim, follow these steps:
Contact Us
Email info@minerkuber.com or message us on WhatsApp with your order number, the issue description, and photos or video of the problem.
Diagnosis
Our technical team will review your claim and confirm whether the issue is covered under warranty. We typically respond within 48 hours.
RMA Authorization
If the claim is approved, we will issue a Return Merchandise Authorization (RMA) number and provide shipping instructions for sending the unit to our repair center.
Repair or Replacement
We will repair or replace the defective unit and return it to you. Shipping costs for warranty repairs are covered by MinerKuber.com.
Do not send any unit back without an approved RMA number. Units received without authorization may not be processed.
Repair Service Warranty
All repairs carried out by MinerKuber.com are covered by a separate 90-day repair warranty on the specific components repaired or replaced. This is separate from the manufacturer’s product warranty.
- The repair warranty covers the same fault recurring within 90 days of repair completion
- It does not cover new faults unrelated to the original repair
- Repair warranty is void if the unit is tampered with after the repair
Warranty for Hosted Miners
Miners hosted at our US facilities benefit from enhanced warranty support:
- First 15 days: If a hosted miner goes offline due to hardware failure, we provide free repair or full replacement at no charge
- During warranty period: Our on-site technicians diagnose and initiate repair or RMA on your behalf — you don’t need to ship the unit
- Response time: On-site response within 1 hour of detecting an issue
- Notification: You will be informed of any issue within 30 minutes of detection
Limitation of Warranty Liability
The warranty described in this document is the sole and exclusive warranty provided by MinerKuber.com. To the maximum extent permitted by applicable law:
- MinerKuber.com’s liability under this warranty is limited to repair or replacement of the defective unit
- We are not liable for loss of mining revenue, profits, or cryptocurrency during warranty repair periods
- This warranty does not affect any statutory rights you may have under applicable consumer protection law in your country
Contact for Warranty Claims
To start a warranty claim or ask questions about your coverage:
MinerKuber.com — Warranty & Technical Support
Our technical team responds to all warranty inquiries within 48 hours.
