If you are an HVAC technician, this should be in the Tech To Tech forum.
While the question involves electricity, the Electrical forum is more about conforming electrical installations to professional standards. Since your question involves testing a part INSIDE a unit, tech to tech is more appropriate.
You can click the black triangle in the lower left hand corner of your post, and ask a moderator to move your post. Thanks.
[Avatar photo from a Florida training accident. Everyone walked away.] 2 Tim 3:16-17