Antminer Z15 Control Board replacement PCBA Motherboard 4 ports

Antminer Z15 Control Board | 4-Port PCBA Motherboard Replacement

The Antminer Z15 Control Board is the primary logic controller for Bitmain's Equihash-based Z15 miner, managing hashboard communication, thermal regulation, and network connectivity. The Z15 mines Zcash (ZEC) and other Equihash-algorithm coins, making it distinct from the SHA256-based S-series. When your Z15 loses network visibility, fails to detect hashboards through its 4-port interface, or becomes stuck in boot loops, a control board replacement restores full mining operation.

Antminer Z15 Control Board Specifications

Z15 4-Port Hashboard Interface & Diagnostics

The Z15's 4-port configuration connects to its four dedicated hashboards. If one or more ports stop detecting hashboards, the issue may originate from the control board's port circuitry rather than the hashboard itself. Before replacing the entire board, verify individual hashboard health by testing each one across different ports. If all ports fail simultaneously, the control board is the confirmed failure point.

Z15 Control Board Replacement & Component-Level Repair

Power down the miner, disconnect all four hashboard ribbon cables and the Ethernet connection, then swap the board. After power-up, the Z15 should boot to Bitmain's standard interface within 60 seconds. For Z15 hashboard-level repairs that complement control board replacement, the MP8904DD LDO Chip for Z15 Hashboard and ISL99360FRZ Power Driver Chip for Z15 address the most common discrete component failures on Z15 hashboards.

Why Buy the Antminer Z15 Control Board from LYS?

Z15 control boards are increasingly difficult to source as Bitmain phases out older Equihash hardware. We maintain dedicated inventory in our Shenzhen facility for legacy miner support. Every board is tested before shipment. DDP delivery is included worldwide — no customs delays, no hidden charges. Contact us for volume pricing and current stock availability.

Next Step: Browse Z15 hashboard repair components or contact our support team at contact@lys-sz.com or via WhatsApp to confirm availability and discuss your Z15 repair needs.