I would assume this is by design. If water were not flowing through the heater it would constantly cycle and mineral deposit would accumulate on the heating elements much faster and shorten their lifespan.
SOURCE: hello! the pump on our qca majestic hot tub
If you live in cold weather and are not using it much lower your thermostat. If the freeze control kicks on (at about 38-40degrees) it will constantly try to heat the spa to where you have the heat set when the air temp is low. Hope this helps.
SOURCE: I have a qca jewel plus spa and the diagnostic
you should be able to locate the pressure switch near the pump, most likely on the discharge side. Before you replace the flow switch, make sure your filters are clean and there is not an air lock on the system. The flow switch is fairly easy to replace. You'll probably have to drain the spa unless you have blade valves to isolate the equipment. With the supply power off, you can remove the front panel on the spa pack and find where the flow switch is and disconnect it. You can then replace the flow switch. Make sure the new switch directional arrow is facing the right direction so it will read flow properly.
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SOURCE: hot tub no heater or pump heater light flashing
Thank you for posting your question here on Fixya.com.
Start with the pump. If it is bound up and not starting nothing else will work. Close off your valves and disconnect the pump unions. Once free, reach in with the pump unplugged and try to turn the impeller by hand. Will it turn? If not, you'll need to free it or get the pump repaired. Once the pump is working and water circulating your heater should start working.
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John
SOURCE: this is an old hot tub qca jewel spa that runs all the time
your ozonator may have condensation water in it, try unplugging it and using a hairdryer to dry it out, otherwise you will need a replacement ozonator (i know where to get these at dealer cost if you need one). When replacing ozonator, make sure you request the correct plug type depending on if you have the white plugs or gray plugs that plug into either the side of your spa pack or the circuit board.
Good job on isolating the problem by unplugging each component when a circuit breaker trips. Next, your filter cycle is most likely set on constant filtration, you will need to reset it to 2-4 hours per 12 hour cycle. Don't put it in standby, leave it run in standard mode. Hope this helps,
Spafixer
SOURCE: 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
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