Antminer D9 Repair

Professional Antminer D9 repair in the USA — fast diagnostics, hashboard recovery, chip replacement, and control board service with full testing. Typical turnaround 4–5 days. 🔧

Common Issues We Fix

• Hashboard not detected, chain break, red/unstable domains
• ASIC sensor/temperature loss, thermal throttling, overheat shutdowns
• Low hashrate, frequent restarts, unstable pools
• Shorts on 0.8 V/1.8 V lines, burned or “rotted” components
• Control board faults: firmware corruption, no boot, network/SD recovery needed

What You Get

• Deep diagnostics with domain-by-domain and chip-level checks
• Precision rework: MOSFETs, drivers, sensors, and chip replacement as needed
• Ultrasonic cleaning, re-paste/re-pad, and thermal service for stable cooling
• Full bench testing and 24/7 burn-in monitoring before return
• Standard warranty on the repair; warranty extension available

Ready to start? Ship your boards or the whole unit. We’ll diagnose, confirm the scope, and proceed with repair. Contact our team for an RMA and shipping guidance. ⚡

Note: If mora than 3 chips must be replaced, the chip cost is added to the repair price. Parts are sourced at current market rates in the China. We’ll confirm everything before work begins.

Turnaround: typically 4–5 business days after approval. No analogs, professional service, US-based workflow.

Why choose us

• Fast 4–5 day turnaround for most cases
• Real chip-level expertise and calibrated test stands
• Structured QA: domain tuning, thermal checks, long burn-in
• Transparent communication and US return shipping

Questions? Contact our repair team today and get your miner back to full power. 💡