About Us    Contact Us

XAX 300 element temp unack fault

Published Categorized as Atlas Copco No Comments on XAX 300 element temp unack fault

by Dave
(Edmonton Canada )

Hey there I have a xax 300 Atlas Copco comp and I recently got a element temp unack fault…

Compressor has not ran yet, it is not overheated and testing I do not have a signal/voltage going to the temp sensor under the compressor.

Removed wires and temp probe is “open” and tested the wires going to it and they have no voltage to them on either red or blue wire.

Is there something to check? Fuse?


XAX temp unack
by: Doug in s.d.ca.

Atlas Copco XAS 300 air compressor
Atlas Copco XAS 300 air compressor

I’m going to guess that your compressor is an XAS 300 as opposed to XAX 300?

If it were a fuse, looks like the whole panel would be down.

TS is normally closed, so as a test, try shorting the wires to it. That should satisfy the controller.

If not, check wiring.

If so, then replace TS.

Good luck.

New comment? New question? Please add it here along with photos to help others help you with your compressor and equipment problem!

By Bill Wade

About Air Compressors has been helping folks with their Air Compressor Problems since 2002 online. We're a community of DIY and Compressed Air professionals who are keen to support everyone across the globe with their air compressor issues and troubleshooting. Whether you're trying to identify an old air compressor, or troubleshoot an error code on a sophisticated new industrial air compressor - the community at About-Air-Compressors.com is here to help you

Notify of
Inline Feedbacks
View all comments