Atlas-Copco 1900-0701-02 Controller

Atlas‑Copco 1900‑0701‑02 is a control module panel for the 1900 series air compressor, typically housing PLC logic, I/O interfaces and power supplies. Common failure points in this class include burnt fuses or relays on the power board, degraded contactors, worn capacitors in the DC conversion section, and loose or corroded terminal connections that can trigger intermittent start‑up errors. First‑check diagnostics: verify 24 VDC supply to the controller, inspect all fuses and relay contacts for signs of arcing, perform a continuity test on input/output terminals, and review any stored fault codes via the panel’s diagnostic display or connected software.[oss-gpt-20b]

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