or the indoor blower motor failing to energize despite a 24V signal from the board

it provides a seamless fit for technicians performing field repairs on compatible air handlers and ventilation systems

including YK chiller

offering the same 5/8x1/2 16CuIn specifications for seamless field replacement

Carrier 19XR04012203 Module 326058-755 or the indoor blower motorThe Carrier 19XR04012203 is a high performance Integrated Starter Module (ISM) specifically engineered for Carrier 19XR series centrifugal chillers. As a direct OEM replacement for 19XR04012202, this industrial HVAC control board provides critical compressor motor protection and communication between the chillers PIC (Product Integrated Control) system and the starter assembly. Designed for demanding commercial HVAC applications, the 19XR04012203