Sick Stegmann HD20 6-112797-00 Industrial Solid State Timer

The Sick Stegmann HD20 6‑112797‑00 is a heavy‑duty industrial solid‑state timer used to control process sequences in factory automation. Common failure modes for this class of units include burned or tripped MOSFETs, damaged timing ICs, and degraded power supply capacitors; symptoms often appear as intermittent resets, incorrect output pulses, or complete loss of timing function. Initial troubleshooting should verify the input voltage rail (5‑25 VDC) is within spec, inspect for visible burn marks or component displacements on the PCB, and check all I/O connections for continuity and correct logic levels before proceeding to replace suspect components.[oss-gpt-20b] Post Comment

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