Monsun-Tison At-68906 Pilot control valves

The Monsun‑Tison AT‑68906 is a pilot control valve used in industrial automation to regulate fluid or gas flow via a hydraulic pilot circuit. Common failure points for this class of valves include seal wear leading to leakage, actuator motor stalling due to electrical faults, and loss of pressure sensing from the pilot line. Begin troubleshooting by verifying that the power supply to the actuator is within spec and inspecting the pilot pressure line for blockages or leaks; then check the valve’s indicator switches and any error codes on the control panel before proceeding with a visual inspection of seals and mechanical linkage.[oss-gpt-20b]

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