Village Marine Tech MST-08139 20-0386 Control Board

The Village Marine Tech MST‑08139 (20‑0386) is the main control board for a marine RO watermaker master controller. Common failure modes include damaged power‑input fuses or capacitors, burnt relays on the pump/valve drive circuits, and firmware corruption that triggers “master fault” codes. First‑check steps are to verify the 12 V DC supply and ensure proper voltage at the board’s input terminals, inspect all solder joints and relay contacts for burn marks, and review any stored error logs or diagnostic LEDs on the panel.[oss-gpt-20b]

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We specialize in the repair and refurbishment of high-end industrial control electronics and power systems like this unit.

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Other Repaired Units by Village Marine Tech

Village Marine Tech MST-08139 20-0386 Control Board

Contact Us

🚑Shop Location🛠️

Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
🚑 Rush repair shipments only — no walk-ins.

📞Phone

1-336-969-0110

📦Mailing Address🚛

Industrial Electronic Repair
931-E S. Main St #204
Kernersville, NC 27284
📦 Mailing Address (for invoices or shipped repairs)
No walk-ins accepted.