Prescolite Series 7-12 Control Panel

The Prescolite Series 7‑12 is a 12‑channel lighting controller designed for commercial or industrial dimming applications, featuring an internal microcontroller, relays or MOSFET drivers, and a DIN‑rail mountable power supply. Common failure modes on this model include power‑supply board faults (over‑current protection tripping, capacitor degradation), relay contact wear or burn‑through, firmware corruption leading to non‑responsive channels, and wiring shorts or loose connections in the 8‑wire dimming harness. First‑check diagnostics should verify input voltage and output current on the supply rails, inspect relays for mechanical integrity and continuity, and review any error codes displayed on the front panel or via serial/debug interface; a visual inspection of solder joints and component placement is also recommended.[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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