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I run a small bitcoin-mining facility in Rosenberg, Texas and several of my Antminer S19 units have gone down. I need someone local to the Sugar Land / Rosenberg area who can drive to the site, pull the bad rigs, and drop in spares so hash-rate loss is kept to a minimum. After swapping them out you will take the faulty miners back to your own workshop, diagnose the issue, perform board-level repairs, handle any required circuit troubleshooting on power supplies or control boards, and then return fully tested units for re-installation. If you already have the specialized tools, microscopes, hot-air stations, and firmware jig cables great—we can move faster—but I’m happy to discuss supplying anything that is missing. Success for each batch is simple: • Dead miner out, spare online at site • Original unit returned fully functional, passing a 24-hour stability test • Brief repair log (fault found, parts replaced) Most visits can be scheduled during daytime hours, though I’m flexible if an evening works better. Let me know your experience with S19 hardware, typical turnaround time, and your availability for the first swap so we can keep these racks humming.
Project ID: 40525356
3 proposals
Active 4 days ago
Location: Sugar Land, United States
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3 freelancers are bidding on average $100 USD for this job

Hello, I have experience diagnosing and repairing ASIC mining hardware, including Antminer-class systems, with a strong background in electronics troubleshooting and board-level repair. I’m comfortable removing failed units, installing replacement miners to minimize downtime, and performing detailed diagnostics on power supplies, hash boards, and control boards in a workshop environment. I use professional repair techniques and testing procedures to identify faults, replace defective components, resolve firmware issues, and verify stability before returning equipment to service. Every repaired unit is thoroughly tested, and I can provide a concise repair report outlining the fault, corrective actions, and replaced parts. I understand the importance of keeping mining operations running efficiently and can coordinate scheduled maintenance visits with reliable turnaround times. I’d be happy to discuss your current S19 issues, availability, and how I can help keep your facility operating at full performance. Thank you for your consideration.
$130 USD in 5 days
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Hello, Keeping downtime to a minimum is critical in mining operations, and that's exactly where I can help. I have experience working with Antminer-class hardware, including diagnosing hashboard failures, control board issues, PSU faults, and firmware-related problems. My process is straightforward: swap failed units with spares on-site, perform detailed bench diagnostics, complete board-level repairs, run stability and hash-rate testing, and return miners ready for production. Each repaired unit will include a repair summary outlining the fault, corrective action, and test results. ✔ Antminer S19 troubleshooting and repair ✔ Hashboard, PSU, and control board diagnostics ✔ Firmware recovery and upgrades ✔ Board-level soldering and component replacement ✔ 24-hour stability and performance testing ✔ Fast turnaround and clear repair documentation Please let me know the number of affected S19 units and your preferred maintenance schedule. I’d be happy to discuss the first service visit. Best regards,
$30 USD in 7 days
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Hello, I can help support your Antminer S19 maintenance workflow in the Sugar Land / Rosenberg area, including on-site swap-outs and off-site repair of faulty units to minimize downtime and hash-rate loss. What I can do: ✔ On-site identification and removal of failing S19 units ✔ Immediate replacement with working spare miners to keep rigs online ✔ Safe transport of faulty units to a repair workspace ✔ Board-level diagnostics (power supply, hash board, control board issues) ✔ Micro-soldering and circuit-level troubleshooting using proper tools ✔ Firmware recovery, flashing, and stability testing ✔ Return and reinstallation of fully tested units Experience & tools: I’m familiar with Antminer S19-class hardware and typical failure modes such as: Hash board degradation Power stage failures (VRM/MOSFET issues) Control board corruption / firmware issues Thermal-related solder joint failures I have access to standard electronics repair tools including hot-air rework, multimeters, and diagnostic equipment suitable for ASIC-level repair workflows. Repair standard: Swap keeps rigs running immediately on-site Repaired unit must pass stability testing before return Each unit includes a brief fault and repair log (issue, fix, parts replaced) Availability: I’m available for scheduled daytime maintenance visits and can coordinate first swap as soon as needed. If you’d like, I can also help you set up a rotation system to reduce downtime across future failures. Best regards,
$140 USD in 7 days
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Sugar Land, United States
Member since Mar 29, 2021
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