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Thread: No power light on SWG

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    No power light on SWG

    I've seen similar posts, but I'm not sure I've seen this specific problem. <Disclaimer: This is our first pool at a house we just bought in Aug. The pool, like the house, was neglected. That along with our lack of pool knowledge led to our current state.> Our Aquarite SWG isn't generating chlorine. The FC level on the strip is white....0 The salt level got down to 1900 ppm. We added 160 lbs salt and a it is now at a healthy level...3200.(ideal per the manual). The stabilizer/Cyanuric acid level was low and added 4 lbs to get that to around 80. The pH and alkalinity was high and added 1 pint of muriatic acid to reduce to a good range... 7.6. We had the salt cell tested and the test was good. When power is applied to the SWG the no flow light flashes for about 20 secs(normal, I think) then goes out. The GENERATING light comes on steady for 10 secs, then goes out...(not normal). No power light ever. The Diagnostic display readings show:
    Cell Voltage: 10.3
    Cell Current: 0
    Instant salinity: 0
    I have seen other posts about replacing the black quarter sized resistor on the panel. We ordered a couple to give it a shot. From what I read in the manual, if the system senses there is not enough salt, it will shut down. That was the case until we added the appropriate amount of salt, but it still doesn't want to stay on and generating chlorine. According to the manual, when the POWER light is illuminated the Aqua Rite has input power. The power light is not on but there is obviously some power to the unit. (i.e. flashing flow light, momentary generating light, diagnostic display). Incidentally, we cleaned out the filter and for the most part, the pool LOOKS clean/clear. I know as it gets warmer and with no chlorine it may not be that way for long. I'm a rookie with the system, so if anyone has had any kind of similar experience or any insight, it would be greatly appreciated. We've considered a service call, but thought we would do some homework first. Thanks in advance.
    12500 gal plaster IGP
    1hp 230v whisperflo dos speed
    Pentair sand filter

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    JasonLion's Avatar
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    May 2007
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    Re: No power light on SWG

    The unit can shut down if the water is too cold. Also, if the percentage setting is lower than 100% it won't always want to be on, though it should turn on now and then.

    Until you get the SWG straightened out, you need to add chlorine manually.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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    Re: No power light on SWG

    The water temp is about 70 degrees. Not warm, but not cold either. The manual seems to say it willl not generate in colder temps, but I thought I remembered seeing 50 degrees. I just talked to my neighbor and he mentioned that his old salt generator didn't produce chlorine in the winter. I hope that is the case with ours. This is all new to me. Other posts seem to imply there must be a problem if the power light was not illuminated. Do you think it should be producing at 70 degrees? Thanks again. I'll try increasing the desired output % tomorrow.
    12500 gal plaster IGP
    1hp 230v whisperflo dos speed
    Pentair sand filter

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    bobodaclown's Avatar
    Join Date
    Apr 2011
    Location
    Lakeland, FL
    Posts
    2,351

    Re: No power light on SWG

    Yes it should be producing if the water temp is 70.
    17K Kidney Shaped Pool Concrete (Diamond Bright) Pool, 3/4 hp 2 speed 115V Sta-rite Duraglas PEA5D-180L/P2R5D-181L (Impeller C105-92PS Diffuser C1-216P), 1.5 piping, Pentair CC100 Filter , Heat Siphon 100K BTU Heat Pump Pool Heater, Flow meter Blue White Flowmeter Model No. F-30150P, Hayward Astrolight SP0581N, SWCG CalimarTitanium Edition TE45 , Dolphin Nautilus Plus with CleverClean, Lakeland Florida

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