Ratelco 120-2712 Mobile Intercom

Ratelco 120‑2712 is a rugged mobile intercom system used in industrial environments for secure voice communication between vehicles or equipment. Common failures on this model include power supply dropout (often due to degraded battery charger ICs), speaker/horn shorting, and internal PCB corrosion from moisture ingress; the IC‑9 controller may also lock up if firmware data is corrupted. For first‑check diagnostics, verify 12 V DC input continuity and correct voltage at the unit’s main terminal block, inspect the speaker and horn connectors for corrosion or loose contacts, and review any error codes displayed on the LCD panel or transmitted via the intercom bus.[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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