Autopilot Dig 220 - Read Light - Purifier off Check Flow

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Amanda14

LifeTime Supporter
Aug 16, 2014
170
East Northport, NY
Pool Size
30000
Surface
Vinyl
Chlorine
Salt Water Generator
SWG Type
Autopilot Digital PPC4 (RC-52)
Hi.

Completely befuddled. Baskets clean, pressure extremely strong at 28, checked union screen in autopilot and it's clean. Backwashed and hosed out grids. Removed Tri Sensor and no scale or build up. Did the rubber band test and the light when off when I replaced it with rubber band on it. That test is you take a rubber band and secure the paddle to the plastic piece behind it on the tri sensor. Took it off and have the red light again.

Any feedback? Really appreciated.
 
Pressure at 28 is not good. That indicates your filter is dirty and need to be cleaned.

High pressure is bad, not strong. Low pressure is good and indicates little resistance through the filter.

The rubber band test forces the flow switch on. It showed your flow switch works.

Do you have a MPV on your filter?

Show us pictures of your equipment pad?
 
Thanks. I have had this pool for almost 30 years and I guess am lucky I have never had an issue. Yes I have a Hayward MPV and embarassingly, I never used the Rinse function. I backwashed today and ultimately the water runs clear and I dump 4 scoops of DE into the skimmer basket. Would putting the MPV to rinse help clean it further or do you think I need to bite the bullet, take out the grids and wash them out? Really appreciate this.
 
Does your MPV have a RECIRCULATE setting?

If so, put it in RECIRCULATE and see if your Autopilot gets good flow and generates.

That will confirm you have a filter problem.
 
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