the internal windings have likely opened

You must match the amperage rating of the cord to the unit's specific electrical requirements

This screw terminal contactor features an integrated 1 NO + 1 NC auxiliary contact configuration

You can perform a short press on the upper button to view the specific alarm code or status error

Compatibility depends on the specific timing and TFI requirements of your appliance

York S1-031-01971-000 Control Board 320074-702 the internal windings have likelyThe York S1 031 01971 000 Defrost Control Board is a critical OEM replacement part designed to manage heat pump termination and initiate cycles within commercial refrigeration systems and residential HVAC units. This Source 1 technical component functions as the primary logic board, coordinating the reversing valve, auxiliary heat strips, and outdoor fan motor to prevent hazardous ice accumulation on the condenser coils. Engineered for precise