RDspaguy
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Everything posted by RDspaguy
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Need help with my PDC Danube and a recurring issue
RDspaguy replied to Steve21229's topic in Portable Hot Tubs & Spas
Pump 2. In their defense, I too would assume stuck relay first. I'd have had you test it, but then I'm a repair man not a parts supplier, so... The chicken/egg scenario is real, in that you can have a bad pump or relay cause damage to the relay or pump. That's why I test stuff. That said, new control, then pump, then new control again should pretty much cover it. Not 100%, but you're into some pretty low odds. So, if it's not the controls and it's not the pump, it's either the wiring or a flow restriction. I'd still test the controls and pump independently, because that's what I do. Unplug pump and test voltages at the board, black to white for low, red to white for high. Make sure low turns off when high is engaged and vice-versa. Plug pump 1 into pump 2 plug and test. Verify pump wiring is intact and correct. I have not seen a PDC (plastics development corp I think, we called them "Piece of Damned Crap"šš¤£) in well over a decade and that one wasn't new by a long shot. Do they still have the equipment outside the cabinet under a "doghouse"? Are the valves open? Remove filters and look down the tube for debris (broken check-valve). Leave filters out for testing. Close valves, remove pump, and open valves to verify good flow from the pipes. You will get wet. Post results and pics. -
The funny thing is, they glue it over a 2"pipe, so, aside from an inch or two of head, it serves no purpose that 2" cannot. It is there simply because hardware stores and most pool/spa stores do not stock it, making you more likely to call the dealer for service.
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2.5inch flex.
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They are concerned that they won't be able to get a good seal without damage to the manifold or jet connections, especially that close one. Old flex gets stiff and old pvc gets brittle. It's not uncommon to have accidents happen under those circumstances. They are covering their butt by just quoting you the safe repair. I'm surprised they didn't include that jet too. I also estimate for worst-case scenario since I'll often get stuck paying for the difference myself if I don't. And those 4 connections become 12 including splices for a replacement. š
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Did you change both the power jumpers and program jumpers? The 30 amp circuit with #10 awg wires is for the heater only. The 20 amp circuit on #12 awg is everything else. Make sure it matches the diagram by terminal number. On this board the second terminal is the H1 heater terminal and does not physically match the diagram.
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Yes.
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Agreed. It does suggest a faulty relay if there are no errors on the controller. Is it a new heater assembly or just the element? What brand of spa?
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In my experience it will not and must be cleaned and have the mazzei, tube, and check valve replaced. And this stuff is extremely sticky and thick. A dealer I used to work for had this problem with a batch of new tubs when the manf switched to a "high output CD ozonator" but were still using the mazzei for the old style. Went round and round with them since we got the first shipment of these and so nobody else was having issues yet. They said it was chems and refused warranty until I sent them a clogged mazzei tube. Bigger (higher flow rate) mazzei and no more trouble. In theory, an extended flow restriction (greater than the mazzei itself) in the ozone return line could also cause this. Post pics of equipment area and I'll direct you.
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Hotspot relay 2016 filter cycle not triggering pump
RDspaguy replied to Daddyf1sh's topic in Portable Hot Tubs & Spas
Both the filter cycles and the heating cycle use the low speed pump, while jets and clean use high speed. Usually if it's not filtering then it's not heating either. Is the low speed pump running for heating? Is the set temp lower than the actual temp? Is it making a buzzing/humming noise when starting low speed pump? Has any wiring in the pack been changed? Post close-up of the pump wiring labels on the board at the connections. -
There's the clue we needed. This is called boil-out and is caused by a stuck heater relay on the board. This can be repaired by any competent electronics/computer repair shop for much less than a new board. I'd recommend doing all of the relays while they're at it. They're a few $ each, labor is most of the cost and you can do alot in an hour.
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Every jet I've seen either unscrews, turns to unclip, or has inside clips. I don't recommend prying, but if you do make sure you lift opposite side simultaneously to avoid breaking the face. Materials deteriorate over time and it can be nearly impossible to remove them without breaking some on older tubs. If parts aren't available anymore then you're doing some plumbing. I junked a flip tub recently for that exact reason.
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They make great raised-bed planters. Fill-er-up and grow some veggies.š
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Hotspot relay 2016 filter cycle not triggering pump
RDspaguy replied to Daddyf1sh's topic in Portable Hot Tubs & Spas
Post pics of equipment area, circuit board, and wiring diagram. -
Cover Questions - Covermate III - ThermoSpa
RDspaguy replied to rmcderm313's topic in Portable Hot Tubs & Spas
Chemical and ozone damage do break down styrofoam and cause it to hold water. You can order just inserts. You can dry it out and re-wrap it as long as it is unbroken. It's a band-aid, but can buy you a year or 2. -
Post pics of circuit board, wiring diagram, and equipment area.
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Caldera "Utopia" no bubbles from the circulation pump
RDspaguy replied to Soakingfool's topic in Portable Hot Tubs & Spas
Air lock or bad pump. Releasing enough water at the circ pump will clear an air lock, but it takes more than you'd think. Post pics of equipment area. -
What you describe is most likely a flow issue (filters, circ pump) but could be a relay or transformer on the board. Probably not a sensor. If I had to guess, I'd see if removing the filters solves it then try new filters if so, and put in a circ pump if not.
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Hot spot Stride pump doesn't work
RDspaguy replied to adeuspapam's topic in Portable Hot Tubs & Spas
Reset breaker. Do you have a multimeter? Post pics of the equipment area, circuit board, and wiring diagram on the control box cover so we can see what you've got. -
I'm pretty good, but even I can't diagnose based on "seems like" and "perhaps". Test for voltage to the heater after the heat light is off but before the error.
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- no fault
- power flashing
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(and 3 more)
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Remove the filter(s). Check circ pump for excessive heat when it shuts down.
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No, they don't. A pressure switch is adjustable by pressure, and some really old school flow switches (D1 air pump systems for example) are by flow rate, but nothing in the last 25 years. Even those were open/closed with nothing in between.
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Answered on that other forum.