Cedrus Saunas 547-1A-CM Keypad
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The Cedrus Saunas 547‑1A‑CM Control Board is the main processor and power management module that drives heater elements, fan motors, temperature sensors, and user interface in a 5‑unit infrared sauna enclosure. Common failure points on this board include burnt or failed MOSFETs/IGBTs in the high‑current driver section, damaged voltage regulator ICs (especially under overvoltage conditions), and cracked PCB traces from thermal cycling; the integrated microcontroller can also lose firmware integrity if exposed to power surges. First‑check diagnostics: verify that the 120 VAC input is present and within spec, confirm the board’s regulated outputs (12/24 VDC) are stable with a multimeter, inspect for obvious burn marks or swollen capacitors on the PCB, and review any error codes displayed on the sauna’s front panel or logged in its diagnostic interface.[oss-gpt-20b] |
Need your Cedrus Saunas repaired or tested?
We specialize in the repair and refurbishment of high-end industrial control electronics and power systems like this unit.
- ⚙️ Fast Diagnostics – Same-day evaluation available
- 🔁 Reliable Turnaround – Most jobs ship within 5–10 business days
- 🧰 Expert Technicians – Decades of board-level experience
- ✅ 1-Year Warranty – Every repair fully guaranteed
📞 Call Now: 1 (336) 969-0110
Free Estimates • Industrial-grade testing • Nationwide Service
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[oss-gpt-20b]We reclaim and repair GPUs and industrial AI hardware (cards, PSUs, fan modules, VRM boards). Free estimate — you only pay return shipping if you decline.
- 🔧 Board-level diagnostics (shorts, VRM, memory, fan, thermals)
- 🧪 Burn-in + benchmarks (hash/matrix, memtest, stability)
- ♻️ Option: donate failed cards for parts → we refurb + resell
- ✅ 1-Year warranty on completed repairs
Free Estimates • Industrial-grade testing • 1-Year Warranty • Nationwide Service
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🚑Shop Location🛠️
Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
🚑 Rush repair shipments only — no walk-ins.
📞Phone
📦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.