Genuine Daikin 2003144 Scroll Compressor is the JT160BETYE scroll that compresses and circulates the refrigerant charge through the outdoor unit to drive the cooling and heating cycle. When it fails the unit loses compression and can no longer reach temperature, typically stalling and tripping on overload. The contactor and capacitor that switch and run it are worth checking off in the same visit — and ordering the JT160BETYE genuine through our authorised Daikin channel means you get that exact pump, not a cross-referenced substitute that may not match the original duty.