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Marine-AC Topics
Troubleshooting
HPF message

HPF message

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andreboats

9:10 am August 30, 2010
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I have a HPF message on my control…
It appends a couple of times lately, only when I start the system after at least a couple of days not running.
To fix it I remove the pump’s discharge hose, let some water out and reinstall the hose.

Is the pump not priming its self??
Switch problem??

Thanks for any help.
Admin

Steve Pooler

posts 1126

7:08 am August 31, 2010
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HPF is a protection shutdown letting you know you have a High Pressure Fault meaning the unit is not getting water…Nothing is wrong with your switch..

As you said…Your pump is loosing prime…Take a look at this PDF on page 13…Make sure your seawater plumbing is installed as per the diagram.

http://www.dometic.com/FileOrg…..lation.pdf 

Steve~
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