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G9SE Safety Relay Unit Troubleshooting Guide

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This document provides troubleshooting guidance for failure detection on G9SE safety relay units (models G9SE-201, G9SE-401, G9SE-221-TX). It explains how to interpret LED indicator blink patterns to diagnose faults related to safety input wiring, feedback/reset input circuits, safety output relays, off-delay time switch mismatches, supply voltage issues, and electromagnetic disturbances, along with recommended checking points and corrective measures.

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