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What does flo mean on the display of my hot tub. I have never seen this before. It is getting power but no jets are working. Can you help?

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"flo" means there is none ... flow that is. You may have a damaged impeller.

Posted on Aug 06, 2010

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My hot tub has an issue. Only half the display is working, there's no heat and the jets wont turn on. If I trip the curcit, I can get the hot tub jets for 10-30 seconds and that's it. HELp


Almost all hot tubs use 230 volt AC power which comes from the power company in two power wires plus one common common wire. You get common 115 volts between a common and either other wire. "Half way" working could well be an attempt to run on only one of the wires. There is also likely to be a ground fault circuit breaker in the wiring which makes sure current going out to the tub is all returned via the wires and not through someone's legs to ground. If you're comfortable with an AC voltmeter check some voltages but understand that 230 volts is way into the killing range. Two people present and well insulated probes are important.

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1 Answer

Switching jets on trips RCD


This is usually an indicator that the high speed on your pump is bad.
Rod
US Parts Center

May 04, 2013 | Aqua Flo Aquaflo Flo Master Xp2 Spa Pump...

1 Answer

Aqua Flo Flo Master won't start on low speed


Water flow error on hot tub means low water flow. This is not enough water flow to turn the system on.
Some motors do have a start capacitor on them. you can certainly check that or take it to your local motor repair shop and they can check that for you.

Rod
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1 Answer

I just got a 2001 catalina hot tub and the word flo is on the display panel and the temperature will only get up to 61 degrees. We think that one of the pumps is not working. The pump that is not working...


That code is for a low flow. It may be the pressure switch not sensing the water flowing in the tub. Or the flow is indeed low. You can observe the actual flow yourself.
If the pump is not pushing enough water , then that could be the cause of the code. The pump being very hot suggests that there is an obstruction in the line .. or it is air in the pump.

Please vote !!

Apr 26, 2010 | RTO Pump Volute, Acura, Maverick,No IMP

1 Answer

Flo word on panel nothing else works


'Flo' means that there's insufficient flow of water through the heater, or non at all.

1) Check the water level - top up if low.
2) Ensure that all jets are open and flow water - if they don't you may have a pump issue.
3) Remove the filter(s) and see whether or not this clears the fault, if so clean or replace the filters.


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

Mar 06, 2010 | RTO 2 Person Spa Hot Tub 8 Hydrotherapy...

1 Answer

The message flo is showing on the display


THATS WHAT THESE DO IT WILL CYCLE AND KEEP THE WATER MOVING SO THERE ARE NO COLD SURPRISES WHEN YOU TURN THE JETS ON.. REMEMBER TO VOTE .. THANKS

Feb 14, 2010 | RTO 2 Person Spa Hot Tub 8 Hydrotherapy...

2 Answers

Qca Spa pumps and blower will not come on, water down to 35º f


Ken,

You need to contact a hot tub technician/engineer as you clearly have issues.

'ICE' means that the water temperature is too low and therefore the pumps will be turned on to prevent freezing within the plumbing. Depending upon the spec and settings, the heater maybe disabled during 'ICE' condition.

'ECON' is Economy Mode. If you have a mode button, keep pressing it until you see 'Stan' on the display. This will put the system back into the standard mode.

'FLO' means that there's insufficient flow of water through the heater, or non at all. 1) Check the water level - top up if low. 2) Ensure that all jets are open and flow water - if they don't you may have a pump issue. 3) Remove the filter(s) and see whether or not this clears the fault, if so clean or replace the filters.

'COOL' is displaying because the set temperature is much higher than the current water temperature.


As I mentioned at the start, you really should get someone to take a look at your hot tub. You may have a few issues that need resolving.

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

Feb 07, 2010 | Qca Spas Majestic Series Aruba Xl Hot Tub

1 Answer

QCA Opal hot tub display reading OH.


The tub experienced an overheat situation. This may be due to leaving the t stat turned all the way up and not monitoring or the hi-limit sensor is defective. The hi-limit sensor will shut down the heating cicuit if temp gets above 105 D optimally.the fact that the heater light is on is a good sign that things are working at this point.Whether or not a suitable temp(100-103 D) will be arrived at is to be seen. If spa heat kicks off before set temp is reached then replace hi-limit sensor.

Apr 10, 2009 | Qca Spas Jewel Series Topaz Plus Hot Tub

1 Answer

Vibrations and banging when heater is turned on


wow! That heater that you have is meant for a very large swimming pool, quite a bit oversized, i bet i gets the job done quick though. I have seen before that somebody plumbed in a heater backwards, there are elevated arrows on the black manifold of the heater, make sure inlet and outlet are plumbed in correctly. Make sure you get your water tested. Because the water in your hot tub is no circulating as often (I assume) as a pool would be, the stagnate water sits inside the heat exchanger. What can happen, for instance, if you have high calcium, is the certain tubes inside the heat exchanged can get so clogged with calcium and they are completely shut and the banging noise is due to excessive heat build up inside the heat exchanger. This can ruin a heat exchanger very quickly and the heat exchanger is half the cost of the heater if you were to get a new one. You can check and see if tubes in the heat exchanger are clogged by taking the manifold off of the heat exchanger, and shining a flashlight down the different tubes. However you have to disassemble quite a bit to actually be able to do that.

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