Customer Service & Warranty

A clear, fast and transparent service for your mining equipment (Antminer, Avalon, PSUs, fans, hashboards, etc.).

🔒 Manufacturer's warranty & store 🛠️ Workshop & remote diagnosis 🚚 Secure logistics
Open the Warranty & After-Sales Service request Repair outside of warranty (quote) See the steps
Before we begin
📅
Purchase invoice (date)
🆔
Serial number (SN)
💡
Photos / videos & logs

Warranty check

Coverage depends on the purchase date , manufacturer conditions (Bitmain, Canaan, etc.) and HappyMining conditions if you have subscribed to an extension.

  • Product purchased from HappyMining: invoice or order number ( HM-XXXX ).
  • Serial number present and legible (chassis label / PSU / hashboard).
  • Product not modified (custom firmware: specify), no liquid/fire/surge damage.

Need help? Write to us at sav@happymining.fr .

Check & open a request

Summary

Steps in care

Prepare the device

  • Turn off, unplug, dust off (compressed air recommended).
  • Note the symptoms (fan noise, hashrate 0H/s, "x of y chips detected", etc.).
  • Photograph the SN label, the entire chassis, the visible defect.

Fill out the application

Describe the problem, add your photos/videos/logs and your contact details.

Go to the forms

HappyMining Diagnostic

  • Analysis within 48 working hours of receiving the information.
  • Confirmation of guaranteed eligibility or quote if out of warranty.
  • If applicable, proceed with shipping to the address and carrier indicated.

Ship the product (if requested)

  • Use original packaging or equivalent (protect fans, PSU, hashboards), refusal is possible in case of non-compliant packaging.
  • Insure the package for the value of the product and keep the tracking number.

Repair / Replacement & Return

  • Intervention in a manufacturer's workshop or authorized service center.
  • Functionality test (burn-in) before reshipment.
  • Return with tracking. Intervention report provided.
  • Confirmation of the repair cost after testing of the equipment sent.

Evidence to be provided (photos, videos, logs)

Photos required

  • Serial number (SN) label legible.
  • Complete machine.
  • Purchase invoice / purchase date (verification will be carried out).

Logs & captures (ASIC)

  • Capture page Status & Miner from the web interface.
  • Kernel Log (export .txt if possible).
  • Firmware version & pool config.

These factors greatly accelerate the diagnosis.

Power & network

  • Circuit voltage/current & circuit breaker type.
  • Ambient temperature & room ventilation.
  • Network diagram (if VLAN / DHCP / static IP).

Shipping & Packaging

Important: Do not ship anything without an RMA number . Packages without an RMA may be refused.

Sending address: provided by support after form validation.

Deadlines & tracking

Estimated delivery times

  • Initial diagnosis: 48 working hours after receipt of the elements.
  • Workshop repair: 15–25 working days (depending on parts).
  • Manufacturing center: 30–60 working days (including transport).

Follow up

  • Case number provided by email.
  • Updates at key stages (receipt, diagnosis, testing, shipping).
  • Return shipping tracking information provided upon shipment.

Warranty exclusions

  • Damage due to humidity, conductive dust, fire, power surge, burnt PCB.
  • Unauthorized modifications (soldering, extreme OC, unsupported firmware*).
  • Out-of-specification use (temperature, power supply, environment).

* Third-party firmwares are not systematically excluded: specify the version, we will assess coverage. If a return to the original firmware is possible, please do so before sending.

FAQ

Is my device still under warranty?

The duration depends on the manufacturer and the purchase date. Have your invoice and serial number ready, then submit a request using the forms at the bottom of the page.

What if the breakdown is not covered?

We provide a detailed quote (parts, labor, logistics). You decide whether to accept it or not.

Can I send just the hashboard / the PSU?

Yes, if the support team tells you to. Follow the packaging instructions exactly and mention the RMA.

Will I lose my settings?

A reset may be necessary. Save your configuration (pools, IPs) before sending.

Choose your request type

Warranty / After-sales service (manufacturer or shop)

For products covered by the warranty and standard support.

Complete the Warranty form

Repair outside of warranty (quote)

If the equipment is no longer covered or if you do not wish to activate the warranty.

Request a quote for out-of-warranty items

Happy Mining Support: sav@happymining.fr

This content is provided for informational purposes only. The complete warranty and after-sales service terms and conditions take precedence over any other communication. © ORDINA SAS