GA 90 element outlet temperature coming on

by james
(akron, ohio)

I have a Atlas Copco GA 90. element outlet temperature is coming on.


The temperature reading at the display will be at around 82 degrees and then spike and jump to 210 degrees and then the element outlet temperature comes on.

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Mar 20, 2016
advice
by: Mike

if the unit is tripping on high temp immediately after starting the problem is your oil stop valve sticking (very common on GA90, 15 minutes to replace)

if it takes a few minutes to overheat it is caused by a faulty thermostat valve

i make the assumption that op has checked the obvious: low oil level, plugged oil cooler

Mar 08, 2016
Hi temp
by: Doug in s.d.ca

Can you tell if it's actually going up that much? Over what period of time?

If it's truly a jump (like a couple of seconds), then I'd suspect the sensor itself or wiring from it to the controller.

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ga 90 end bearings

by Mark Lynskey
(Ireland)

Hi There I am a vibration analyst and recent have been asked to monitor some GA 90 non vsd units, can anyone let me know what the drive and non drive end bearings might be ?

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GA90 VSD air compressor. Error 7301 system failure.

by Haris Aljic
(Gracanica, Bosnia and Herzegovina )

Does anybody knows how to solve down error code 7301 system failure.

I would highly appreciate any information regarding mentioned problem.

If you have information and if you would like to share the knowledge please kindly email to me about same.

(Responses need to be posted here, as a comment, to allow others to benefit from the advice too. Thanks, Bill)

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