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Hydropool hot tub error code 5n will not start up

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The 5N error code is actually an SN error code which means one of your sensors is bad.

Rod Kidman
www.uspartscenter.com

Posted on Jan 31, 2013

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Image739 hot tub turn power on and error code 5n comes on panel board what is code 5n and where is reset button


OK, 5n is meant to say SN meaning sensor. This is refering to your temperature sensor, and means that the computer thinks that the sensor has failed.

Check to see that it is plugged into the board completely, then verify that it is not chewed up by a mouse or rat. Both of these are the most often seen problems.

Beyond that feel free to call me if you still need assistance.

66O-263-O984 Ask for John.

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Check your filter. It may be clogged. This will restrict flow and prevent the pressure/flow switch from actuating. The heater will think that water is not flowing and not allow the burner to produce heat.

Jan 31, 2014 | Pool & Spa

1 Answer

I have a Dream Maker X400 hot tub that wasn't used for a year or so, I replaced all of the jet heads and filled it - when I started it the light starting flashing on and off with a clicking sound coming...


Hello, and thanks for the question. Your error code is actually "SN" not "5N" but they are sometimes difficult to discern on the LCD topside display. The SN error code is for a Non-functional High temperature sensor which automatically kicks the heater off and trips the breaker. You can purchase new sensors for $75-$85 (it could be more, my pricing index is quite a few years out of date) I'm not sure where the sensor is located in that particular tub, although it is most likely in the heating canister. Make sure the power is off at the breaker before attempting any tub repair. if you have shut-off valves to the heating canister you may not have to drain the tub, remove the heating can and replace the sensor you will have to plug/unplug the sensors from the power pack/circuit board. I hope this helps =)

Oct 27, 2013 | Pool & Spa

1 Answer

Hydropool hot tub


. sounds like the heater might be shorted.. also check the motor amp's when motor is running

Oct 01, 2013 | Pool & Spa

1 Answer

Hydropool hot tub


I have used a strong mix of muratic acid and water and it worked well. be careful and wear gloves

Sep 08, 2013 | Pool & Spa

1 Answer

Why does the ice bucket not drain into the hot tub!


Ice buckets don't normally drain into the hot tub water. They should drain externally. The drain pipe will go through the cabinet and exit the bottom close to the floor.... or at least that's how all the ice buckets I've encountered drain.

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

Jul 05, 2010 | Pool & Spa

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...

1 Answer

I have a Great Lakes spa hot tub and nothing turns on, setting was saying OH. We turned the breaker off and then back on and now it is saying 5n.


OH MEANS OVER HEAT AND THE 5N WHICH IS ACTUALLY SN IS YOUR SENSOR SO IT WOULD NEED TO BE REPLACED SO YOULL NEED TO CALL A POOL AND SPA COMPANY FOR EXAMPLE..... HOTSTUFF SPAS&POOLS SALEM,OR

Sep 29, 2009 | Whirlpool 5' Jacuzzi Tub Bathtub Cetra...

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