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I have a comfort spa portable hot tub with the pump housed within I am hearing a clicking noise and the dispaly shows the temperature readings ascending and the error code sn - what is the problem

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adam hudson

adam hudson

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This indicates a sensor failure. Either the temperature sensor has failed, or it has become disconnected from the control unit. If you find that it is still in place, replace the sensor.

Posted on Jul 11, 2011

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My Vegas hot tub keeps showing eo3 can you give me some advice please
looks like it's got a bad thermister or thermostat
E03 The pump's thermometer reads the water temperature below 4°C (40°F)
1. The water temperature is lower than 4°C (40°F).1. The spa is not designed to operate with water temperatures lower than 4?C (40°F). Please unplug the pump and move to a warmer ambient temperature. The pump should only be restarted when the water temperature reaches 6°C (43°F).

» 2. The pump's thermometer is broken.
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MY HOT TUB WAS READING ICE A FEW MONTHS AGO NOW ITS READING DRY I USED A VAX HOOVER DOWN THE FILTER COULD I HAVE CAUSED A PROBLEM
ICE is an issue with the cold water temperature. I'm guessing that you filled the spa with cold water, or turned the spa off and the water cooled right down. In ICE mode, the spa turns on the pumps and keeps running until it's satisfied that the water is not going to freeze, this can take some time.

DRY is an error that occurs when there's insufficient water in the heater, or a lack of water flow through the heater. This is commonly caused by either an air lock, a low water level, or a problem with the pump.

Is the pump circulating the water through the heater as per usual? If not, can you hear the pump running? If the pump is running but there's no water flow then suspect an air lock.

To remove an air lock, you can slightly loosen the pump union, or heater union to release air from within the system, much like when you have to bleed a radiator. As soon as water starts to come out of the union tighten it again. If you have an air lock you should hear the air escaping from the union prior to the water starting to leak out. If you heard air, that's great, try the spa again.

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1 Answer

No power, great lakes hot tub hear click like breaker tripping,down below in hot tub could it have bad internal fuses?
Charles, sorry I just re-read your question. The click you hear is likely a contactor if its an older model, and if it clicks its probably not the problem, just means its getting voltage. I would start by looking at the high limit switch. Look for a little reset button. A high limit switch trips when it senses high temperature, often from heater trying to run with Inadequate water flow.

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I need to find a service man in the Seattle area to get my tub working. It has power but won't come on.

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What does it mean when the pump says en2 its a 4 to 6 person portable hot tub

Nov 26, 2017 | Pool & Spa

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Spa thermal overheating
Turn off all power to the hot tub as soon as you realize it is overheating. The spa should have an automatic shut off when the water temperature reaches about 112 degrees fahrenheit. Call your hot tub dealer or manufacturer for service options. There are a variety of conditions that could lead to the overheating of your hot tub, but may differ in various hot tub models and brands. Check the water level of the hot tub. Low water levels could be the culprit for the over heating, so you may just need to add more water to the hot tub.
Check the shut-off valves in the hot tub. If they are closed while the hot tub heater is on, it could cause the water to reach unsafe temperatures.
Clean the hot tub filter. A dirty filter could be blocking the flow of water, causing the water to sit in the hot tub and overheat.
Turn the power back on after finding the problem and talking to the hot tub dealer. The hot tub will probably not start back up until the water reaches a safe temperature

Jan 06, 2012 | Endless Summer Pool & Spa

1 Answer

Spa n a box 6 person portable hot tub pump cl250-c pump stops working error message OH on display
If the water pump is not circulating water you will want to do a simple procedure called "turning the impeller" You can call 888-997-6366 to be walked through this procedure over the phone.

Feb 26, 2011 | Comfort Line Spa 2 Go Portable Spa with...

1 Answer

I have a Dream Maker Eclipse spa. We just had the pump replaced, but the tub is getting TOO hot that we cannot even get in it. We opened the housing and see 2 metal heat sensors but they are not attached...
The readout may be getting it's temperature from one of those sensors that are hanging in mid-air, not surprisingly low. Both sensors have to be somewhere that they can read some water temp. One of them probably goes into the piping before the heater so it can tell actual water temperature. The other MAY go in piping after the heater in the event of high water temp, it will shut the heater off. Look for a schematic in and around the spa.

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Royal Spa hot tub is working but display wont show temperature reading anymore only "Spb"???

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1 Answer

Error code reads "5n" or "Sn" on the panel. Great lakes hot tub. chuck
'Sn' is a general error message relating to the temperature sensors.

Assuming that you have a Balboa spa pack (M7 version), turn off the power and remove the spa pack cover, you'll find two temperature sensors mounted in the top of the heater tube one at each end. Follow the wiring from the sensor to the plug(s) on the PCB and check that the connections are good, they have a habit of devekoping a poor connection.

If you have a multimeter you could also check the resistance of the two sensors. They should both be the same. If they aren't the same you'll probably have to replace them.

One final thing just to check... Ensure that there are no blockages within the heater. Unless you have service/gate valves you will have to drain the hot tub, unscrew the unions and check inside the heater for debris within the heater assembly.

If you're from the UK I may be able to help regarding parts etc.

Kind Regards,
Ian.
http://hottub.synthasite.com

Mar 28, 2010 | Qca Spas Dream Series Dream Master Hot Tub...

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