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I'm sorry I misspoke. Once I run it backwards (waste or backwash) it will prime. I then set it forward (filter) and it works. But when the timer is running, sometimes in the morning it doesn't prime, and won't prime till I run it backwards. My guess is that there's a lot of gunk in there that...

So you're saying when the pump powers off at night, gook and shmutz collect in the filter by the exits which is why I have to run it backwards (backwash or waste) to clear it? I'll run it 24/7 till I get new grids I guess.

Water is perfect, but it won't be if I can't run the pump. I think the grids get inspected every year, cleaned every other year. I don't do this. When I backwash I usually add 3 lbs of DE. Without the records handy, I'm not sure when the last time the grids were cleaned.

Pool and equipment. Getting dark, but should be visible. Water's still great, everything works, I'm just afraid to let the timer turn it off.

Ugh. That's unfortunately above my pay grade. Yesterday it wouldn't prime in backwash mode, though I may have not waited long enough, but it did prime in waste mode. Then I reversed it to filter and it's fine but I'm afraid to put the timer back on. It clearly isn't a weak motor or impeller. I'm...

In the Filter position it doesn't move enough water for it to prime. It never "WHOOSH" es, and there's flow, but not enough for my salt cell. The pump basket area never fills up.

Some mornings my pump isn't primed. Plenty of water in the pool, no or minimal debris in skimmer and pump baskets. I run the hose into the pump basket for a couple minutes, still won't prime. My pressure is not up, but I backwashed and that seemed to solve it. About a week later, it's happened...

If you have a 7k gallon pool, especially if it's flat, this may do the trick. I have a 16x32 vinyl pool w/a deep end. Not large, but I bought an Aiper Smart rechargeable robot. Runs for 90 minutes or so, then takes about 4 hrs to charge back up. It's really meant for an AG or flat IG pool, but...

Does your pool have a deep end? I've heard the Nautilus is good for above ground pools or flat-bottom IG pools. I have a 16x32 vinyl pool w/a deep end. My Aquabot died, and I didn't research and bought an Aiper Smart last year, which, upon further reading, doesn't like depths of over 6 ft. It...

Is the main motor shot? There was some shmutz around the tread/axles, but after clearing it out, still no movement.

Here are the photos. The fuse looks clean, though was hard to get a picture. No burnt areas.

Fuse can't be bad or the Power LED would be off, at least that's my understanding.

Moved Auto to Off: Salt = 0 temp 74 volt 31.6, curr. 0 57% instant salt = -0 AL-0 r1.59 cell type T-15 Moved back to Auto ALL SAME but voltage read 31.3 OFF for 1 minute all the same 31.3 voltage CELL 940T ser. no beginning with 4E20175 Display Box ser. no. beginning with 4A20176 Salt test is...

Aqua-Rite 940T less than a year old. We've had a lot of rain but as of 4 days ago or so there was 3800ppm salt. The display has always read below what the drop tests indicate. But yesterday it read 700, then 400, and now today 0. What could be wrong?

The pool guy said getting the spider gasket out could take a couple hours, he'd done two recently, one taking over an hour, the other 2.5 hrs. He replaced the top assembly with the O-ring and handle, I did buy the spider gasket and he left it sealed in its package with me so if it needs doing...

So the gasket must have seated itself because now everything is fine, the pressure level is perfect and I don't see a drip from the backwash hose. I didn't try the recirculate feature because the guy already ordered the parts. I haven't had any work done on this MPV (that I recall) and it's...

Thanks a million. This may be above my pay grade but at least I won't be automatically convinced to buy a new MPV.

Pentair multiport valve, old. I noticed during startup I tried to use the recirculate function (I rarely used this in the past but converted to SWG last summer and they say get the water close before turning it on)--and I got a small stream of water out the backwash pipe. So I didn't...

It's not staying on.

I have it on its own timer--it shuts off before the pump does and comes on after the pump comes on.

They may be related? Pump and Skimmer baskets clear--no bubbles out of the return--I do the pressure gauge rotate--water comes out in about 1 second. Shut off the main drain still low pressure. There is a small occasional drip from the backwash line. Aqua-Rite salt level reads...

Yes it's a 940T. I've had the robot do the pool several times. The readings now match at 2500. By that number I need two bags (would bring it to 3100 or so). The Taylor strip test, by my eye reads in the 3000 range. If the machine says 2300 or less it will stop producing chlorine so if they...

I changed the tCell to t-15 and the instant salt now reads -2500. This is my first time opening with a SWG. The salt stays in the pool but with plenty of rainwater (mesh cover) I knew I'd have to add salt. I have put 4 bags in, 19k gallon pool. What is a typical amount with a mesh cover?

DIAGNOSTICS--6700, temp=64, 27.3, 4.38, 69% (I run around 41% when up and running) -6300, AL-0, r1.59, t-3

Yes my main drain is on. I usually use skimmer only once the pool is cleaned up. But I don't see how the water coming through the main drain is different than the skimmer if the salt has dissolved properly. I'll have the diagnostic readings when I get a moment.

19k gallon vinyl SWG pool; Pentair DE 3.6, 1.5hp pump I was getting low salt readings the day after I started the nearly-new SWG system (installed last July). Before I started I removed the cell and cleaned it (it didn't need it, it looked brand new but I still gently used cable ties and...