Aux temp high on sullair 900/1150

by Ahmed mahmoud fekry
(Cairo,Egypt)

I have compressor sullair 900/1150 cfm and changed the compass controller then message is appeared aux temp high when I enter to callibrate the aux temp I found that the temp is 135 celesious degree .... How can I solve this problem

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Sep 16, 2018
hi temp
by: Doug in s.d.ca.

If the temperature reading was NOT the reason for changing the controller, there's a good chance that 135c is the maximum reading. This could indicate the sensor connection is open. Or, the controller is bad.

So, recheck all the connections. if that doesn't help, swap back the other controller to see if the temp problem goes away. If it's still there with the old controller, then maybe the sensor itself went bad, coincidentally.

Good luck.

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