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  1. S

    Controlling Rs485 slave devices (heater, pump, SWG) directly with Pi

    It does sound like might indeed be sitting there listening. While a scope would definitely make it very clear, there's more you can do with your meter. If you measure AC volts across Data + and Data -, you should see something non-zero, maybe up to 1.5V if it's transmitting. If you see zero...
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    What's the purpose of these two capped off pipes?

    Best I can gather the pool is about 8 years old, house is 9, so there should be no remodel work. The small pipe definitely only connects to the skimmer suction line, I pushed the gravel aside enough to see that. It's made up of a reducing tee in the suction line, the horizontal section, a 90...
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    How screwed am I?

    If anything it buys time to get past the current era supply chain issues.
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    What's the purpose of these two capped off pipes?

    That's a good thought. There was a dead ozone generator there previously, visible in the photo to the left of the Jandy RS cabinet. It was plumbed into the drain port on the bottom of the pump basket, doesn't mean it always was though. It's now sitting in the garage until I decide I've kicked...
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    What's the purpose of these two capped off pipes?

    Hmm, that makes sense, just not sure where it terminates if that's what it is. I'll have to uncap the big one and blow air down it, see where the bubbles show up. The only "extra" port in/near the pool that I've found was what looked like an umbrella sleeve in the deck. The small one I just...
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    What's the purpose of these two capped off pipes?

    Anyone know what these two capped pipes would be for? 1. The capped pipe directly below the puck tank 2. The smaller capped pipe near the wall, extending from the skimmer drain line (middle line on the suck side)
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    How screwed am I?

    I wish !!!
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    How screwed am I?

    Don't try to get a model or price out of me because I have no idea (wife picked it), but this Kitchen Aid model has some sort of forced air drying. There's an air duct outlet on the front of the unit, and you can ever so slightly hear a fan running for a while after it finishes the wash/rinse...
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    How screwed am I?

    I'm in the camp of I'd rather rinse the dishes than frequently empty dishwasher filters, so if it's something that isn't reliably soluble in water it's going in the can or disposal. ;) I will admit the new Kitchen Aid we put in works incredibly well though, better than the "washed fine but...
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    Controlling Rs485 slave devices (heater, pump, SWG) directly with Pi

    To answer your questions: 1. Doesn't really matter if they're connected, you can measure them as a system or individually. But you'll want to power both down your adapter and the heater to ensure they aren't driving (powering) the bus. You can disconnect and measure them individually to see if...
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    Snake

    Found my first snake in the skimmer this weekend. Juvenile garden variety garden snake. Poor little guy was just spinning and spinning in there, so I fished him out and let him sun on the deck for a bit. Kids were excited to see him, the little one of course wanted to keep it as a pet ;)
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    spa empties itself into the pool

    Good find, glad you got it resolved.
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    How screwed am I?

    Y'all do scrape and rinse your plates a bit before tossing 'em in the dishwasher, right? :) The drain hose on the dishwasher is like 1/2" ID, not much of the chunky leftovers is really coming out of there. Your washer has screens in the bottom to catch most of the solids too. Personally, if...
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    Will leaving AA in for a few days do any damage?

    I had some metal stains when I inherited my pool, and the AA treatment was darned near instantaneous. I sprinkled the AA into the pool around the perimeter with the pump running, and a half hour later went back out and literally brushed clouds of orange off the walls. Almost magic. Followed...
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    Hayward (H400IDL) Heater Stuck in Standby

    The control panel button membrane can be bought pretty inexpensively, they're on Amazon for about 30 bucks (non-OEM). But, since you can switch the heater on using your Aqualink setup that probably won't change much of anything. You mentioned the display LED will change from 'standby' to...
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    Controlling Rs485 slave devices (heater, pump, SWG) directly with Pi

    idealist, do you have a multimeter? One possibility might be a lack of termination. If there was nothing connected to the RS485 bus before, it might be unterminated. Since the heater is intended to connect to an RS panel, and the panel has a terminating resistor already, the heater quite...
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    Controlling Rs485 slave devices (heater, pump, SWG) directly with Pi

    FWIW, my setup is running at 9600bps: [email protected]:~# stty < /dev/ttyUSB0 speed 9600 baud; line = 0; min = 0; time = 255; -brkint -icrnl -imaxbel -opost -onlcr -isig -icanon -iexten -echo -echoe -echok -echoctl -echoke
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    Measurement on sample tubes in TFTestkit don't match Taylor sample tubes. Which is correct?

    Get a third measurement device, and use it to confirm. Throw out the bad one (or return it for a refund if possible).
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    Snake

    Maybe ask him to kick in a few bucks for chlorine? I mean he is kinda just hanging out and enjoying the pool.
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    spa empties itself into the pool

    My one-way valve looked fine too, until I actually wiped my finger across the flapper seal and I noticed it had ever so slightly split. Replaced the flapper and it's been fine since.
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    TF-100 test kit

    While the kits are functionally doing much the same things, I picked the Taylor K2005 for my first test kit because I felt like it made more sense for me to have a single kit. Well, that and being recommended by my brother who has used the same kit for years. ;) While the '2005 doesn't use the...
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    Controlling Rs485 slave devices (heater, pump, SWG) directly with Pi

    Nice work, it's usually the simplest things too. (y) Just for grins, I enabled RS485 logging and pulled some data from the log. It looks similar in structure to what you're seeing so I would assume thus far that comms are good. Keep in mind my data is coming from an old panel in PDA mode...
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    Jandy PDA Problem

    I went this route, so much better than the PDA and the cost is obviously incredible by comparison: sfeakes/AqualinkD
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    Controlling Rs485 slave devices (heater, pump, SWG) directly with Pi

    I know zero about the Jandy heater. The closest experience I have is I have my Jandy RS panel connected to AquaLinkD, and the panel continuously spits out messages. My heater is a Hayward, but it's not hooked up to the panel at all and has to be controlled manually. I'm still learning how all...
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    Controlling Rs485 slave devices (heater, pump, SWG) directly with Pi

    Start at the heater and work back towards the Pi. Your USB to RS485 cable has TX and RX lights, right? If you have it wired properly and the heater is broadcasting packets, you should see the RX light blinking. RS485 uses differential signalling, so you should only need two wires connected to...
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    Ignoring Pool When it's Closed

    New (to me) pool, and it's SE Texas, so I'm out there every couple days playing around pretending I know everything there is to know about maintaining a pool. ;) Honestly it's just a nice break from being indoors at work all day, so when I pull in the garage I'll greet the family and head out...
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    Aqualink RS8 erratic pump relay cycling during freeze protection

    Sounds to me like you found your smoking gun. The sensor itself, unless simply faulty, shouldn't cause erratic readings. It's a simple thermistor. Look at the simple things first: - Are the wiring connections tight? - Is the connector on the board in good shape? (check for cold solder joints)...
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    Pool heater life expectancy

    5-7 years sounds a lot like planned obsolescence.
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    C-19 Vaccine-I got one

    I don't mean to rile anyone up by this, but I'm happy to wait on the vaccine for myself and let those who want or need it get it first. I've been at work non stop through this whole thing, so there's a chance I've been exposed at some point but have been blessed with good health. Thank you to...
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    Aqualink RS8 erratic pump relay cycling during freeze protection

    The timing was the key piece of info everyone was looking for. On/off every few hours vs. sub-second makes a huge difference. I'm not fully versed on the RS even though I have one too, but it sounds like you have conflicting commands being sent. You might try disconnecting everything from the...