No/low return pressure, no suction, non-functional Polaris

Jayzeem83

Member
Feb 17, 2019
22
Austin, Texas
Ok, so I’m getting ready to SLAM today and ran some chemistry tests for baseline numbers. Went to add some MA to balance pH and saw that there was no vortex of water from the return jets. One jet has no flow or pressure to be felt with my hand and the other two have minimal return flow felt. Also, my Polaris 360 is moving at all. Also, absolutely no suction from skimmer. What on earth!? I’m not sure whether this occurred suddenly as I have not been in the pool for a while since it’s green and I’ve needed to replace the back up valve on the Polaris and that just got done. What is the trouble shooting here before calling someone? Thank you!
 

mknauss

Mod Squad
TFP Expert
Bronze Supporter
May 3, 2014
37,082
Laughlin, NV
Pool Size
6000
Surface
Fiberglass
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
When did you last clean your filter? What is your filter pressure versus it’s clean pressure?
 

Jimrahbe

Mod Squad
TFP Expert
LifeTime Supporter
Jul 7, 2014
21,193
Bedford, TX
Jay,

Sounds like your problem... the higher the filter pressure the less water can get to the returns... algae can clog a filter in just hours..

Thanks,

Jim R.
 

Jayzeem83

Member
Feb 17, 2019
22
Austin, Texas
Oh darn it. Would back washing be sufficient or would I need to take it apart again? Is there any point running the pump until I can clean the filter?
 

mknauss

Mod Squad
TFP Expert
Bronze Supporter
May 3, 2014
37,082
Laughlin, NV
Pool Size
6000
Surface
Fiberglass
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
Do you have a multi valve on your DE filter? If so, place in recirculate if you wish to continue with a SLAM until you can clean the filter
 

Jayzeem83

Member
Feb 17, 2019
22
Austin, Texas
Yea to multi valve. Since recirculate bypasses the filter, can all the algae in the filter destroy the hard work of SLAM once I get the water back through the filter? Thanks.
 

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