a damaged or corroded harness is the most likely culprit

the AX72 maintains structural integrity and resists elongation under heavy loads

Optimized for R-410A: Engineered for the higher pressure requirements of R-410A refrigerant to ensure peak thermodynamic performance

this industrial HVAC actuator delivers consistent force to manage moderate mechanical loads even in space-constrained installations

Siemens Building Technology GQD156.1P Acutator 323613-751 a damaged or corroded harnessThe Siemens OpenAir GQD156. 1P is a high performance, spring return rotary electronic damper actuator engineered for precise control in critical HVAC applications. Delivering a 20 lb in torque (2 Nm) rating, this unit is purpose built for modulating control of small dampers, economizers, and residential zone systems. Operating on a universal 24 VAC DC power supply, the GQD156. 1P utilizes a 2 to 10 VDC modulating control signal with integrated