How do you fix Flo error?

There are a couple of common causes for flow errors in hot tubs; low water level, dirty filters, clogged circulation pumps, and bad flow sensors. If the water gets too low and the spa’s filter well is not completely submerged it can cause air to be drawn into the system giving you a low flow error.

There are a couple of common causes for flow errors in hot tubs; low water level, dirty filters, clogged circulation pumps, and bad flow sensors. If the water gets too low and the spa’s filter well is not completely submerged it can cause air to be drawn into the system giving you a low flow error.

Subsequently, question is, how do I know if my hot tub pump is bad? There are several signs of hot tub pump failure:

  1. Humming noise from motor not turning, frozen shaft, bearings or impeller, or defective starting capacitor.
  2. Whining noise from worn bearings.
  3. Leaks under the pump from a failure of the pump seals.

Also to know is, what does Flo mean on Sundance hot tub?

A FLO error is going to indicate something is wrong with your circulation system, so start with the simplest problem: your filter. Let it run for 20 minutes or longer with all of your jets running and the filter removed–this should go a long ways towards dissolving any gunk and build-up in your tubes and filter system.

What does Fl mean on a hot tub display?

So let’s start at the top. Today’s post is about water flow trouble codes on your spa panel. These are usually presented as FL, FLO or FLOW on your display, although it may appear as LF (Low Flow) or PS (Pressure Switch).

What does flo2 mean?

FLO2- CLOSED OR SHORTED FLOW SWITCH ON SYSTEM START-UP (system disabled) flow switch is non-functional. ( The flow switch when the spa is off should be “open” and when the spa turns on it should “close” the switch, from the water flow)

How do you test a hot tub circulation pump?

When your hot tub pump is dead… Check that your power is on, the breaker or GFCI test button are not tripped, all valves are in the open position. Follow the circ pump plumbing, and look for any kinks in the hose. Pull out the cartridge filter to see if flow improves and the circulation pump is doing better.

What does a hot tub flow switch do?

The Pressure Switch on a hot tub or spa is a pressure sensor that is mounted onto the heater housing, or very close to the exit point of the heater. It’s sole purpose is to shut off the heater if low pressure (low water flow) occurs.

How do I check the flow switch on my hot tub?

How to Troubleshoot Flow Switch Operation Turn the unit off and unplug it from the power source for 30 seconds. Ensure the flow switch valve is open. Look at the water level in the hot tub. Clean out the filter. Check the output pressure and input pressure of the spa’s jets and filter. Confirm the LED indicator light under the pack cover is wired correctly.

How do I reset my hot tub control panel?

How to Reset a Spa Heater Locate the spa’s high-limit reset. This is a red button found on many spa packs. Press the high-limit reset button. Turn on your spa and observe its operation. Flip the breaker panel switch on or press the reset button on the GFCI outlet to restore power.

What does f1 mean on my hot tub?

It indicates this should run one 30-minute cycle every 12 hours. If your spa is set to the F1 filtration option, and is activating more than once every 12 hours, there may be an issue with it’s controls/brain.

Can you test a hot tub without water?

Hot Tub Running without Water. You did not say what spa you have, so it’s hard to tell if any damage was done. Most spas have an over-temperature sensor that turns them off if the heater is on but the circulator pump is not running, but this relies on the spa being filled with water. This means no water flow no heat.

Should I leave my hot tub on all the time?

Yes, you should leave your hot tub on all of the time. Hot tubs are designed to always be switched on and it’s more economical to keep the water hot than it is to heat it up from cold each time you want to use it.

Why won’t my hot tub heat up all the way?

It could be the heater element, it could be a temperature sensor, it could be flow switch failure or any one of a dozen other reasons. Luckily, as long as your hot tub is powered up, even if the heater is off, your pumps can work, (unless your heater isn’t working because a pump has failed).

Why does my hot tub have no power?

The first step to take is to check the circuit breaker panel that your hot tub is hooked up to. If this restores power to your tub temporarily before the breaker is tripped again, consult an electrician – the problem is likely with your breaker and not your spa. If this does not fix the problem, check the GFI switch.

How do you burp a hot tub?

‘Burp’ Your Hot Tub Open all the jets to ensure that the trapped air has a smooth and uninterrupted way out of the hot tub. Turn off the hot tub heater at the main panel or circuit breaker. Turn the jets on for 10-15 seconds then turn them off quickly. Turn the jets on for 20-30 seconds then turn them off quickly.

Why are my bathtub jets not working?

If the jetted tub will not turn on or the pumps will not start at all, turn off the tub. Make sure the tub is connected to a power supply, that power in the room is not out and that you have completely depressed the “On” button for the jets. If there is no voltage, the pump is not connected to the power supply.