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Error Message EO5 on Pentair Mini Max

Error Message EO5, have had everything possible replaced or checked, it refuses to stay on.

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Is the gas valve open?

Posted on Oct 15, 2009

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Keep getting error code E05 When trying to heat the spa


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My pentair mini max display is indicating a "LO" .


The pentair mini-max only displays LO when the water temperature is at or below 58 degrees F.
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If you need futher advise, e-mail me here.
adamh@newconceptchem.com

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Error code EO5


I am assuming that the manufature is Master Temp by Pentair. Is this correct? If so, the manual for it can be found here:
http://www.staritepool.com/pdfs/MasterTempOM.pdf

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The pressure switch is on the inlet/outlet manifold. It has purple wires running to it. Try taking a wire and unplugging the pressure switch and jumping the 2 wires together.

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