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Old 06-22-2012, 12:15 PM   #1
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Pool Heat Pump - Fan in Reverse?


I have a Hayward pool heat pump, model HP 2100, that is about 8 years old. Earlier this year, it worked for about a week, then stopped working and displayed a "Sensor Failure" code. I was busy and on the road for work so I left it alone for about three weeks. I finally found the repair number but before calling I tried it one more time and it worked. Go figure.

So it's been working for about a week now. Last night I was doing yard work and went over to it to cool off from the cold air that blows out the top of the unit. To my surprise, the fan is now running in reverse and sucking in air from the top! It is still heating the pool.

Any ideas on what is going on here?

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Old 06-22-2012, 02:49 PM   #2
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Pool Heat Pump - Fan in Reverse?


Either a failing motor, or a failing capacitor.

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Old 06-22-2012, 02:54 PM   #3
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Pool Heat Pump - Fan in Reverse?


Thanks for the reply. Not sure how either would affect fan motor rotation direction, but I'm no expert in this area.

Do you think I am causing more harm in letting it run this way? It is still heating the pool.
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Old 06-22-2012, 03:13 PM   #4
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Pool Heat Pump - Fan in Reverse?


It may be heating it some, but not as much as it should. Its making the ompressor work harder then it should have to. So may be shortening the compressor life span.
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