Originally Posted By: Formermac
ACs all have mother boards

Solenoids, switches, resisters are now integrated into the motherboard.


circuit board

there are not codes needed for an a/c unit

the a/c consists of the outside condensor and the inside coil

if you can not determine the fault at either one of those components you need to ask hillary for a job grin

(ps - it is resistors not resisters)
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