Zareba 8900-B Electriv Fence Controller

Zareba 8900‑B is a UL‑certified pulse‑type electric fence controller designed for 100‑mile range and 6 Joule output. Common failure modes include degraded capacitors or relay contacts, power supply voltage drops, and firmware corruption that can cause the unit to fail to energize or display error codes. First‑check diagnostics: verify input voltage (120/240 V) with a multimeter, inspect the main PCB for burn marks or swollen electrolytic caps, and review any diagnostic LEDs or serial output for fault codes before proceeding to component replacement.[oss-gpt-20b]

Need your Zareba 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

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