Question about Pool & Spa
Display panel displays "FLO" alternately with the temp. A flow switch may have malfunctioned. How do I find and replace?
Posted by Anonymous on
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Posted on Jan 02, 2017
I had the same problem. The water sensor is on a pipe running into your pump. It will have a circular clamp around it. Remove the clamp and pull the sensor out of the pipe. The wires should run into your control box. disconnect the wires and replace. My water sensor was part 7790. Not sure if you have the same one. Do an online search. bestbuypoolsupply.com has them for $50 plus 9 for shippng. Hope this helps.
Posted on Mar 12, 2009
turn off the power to the spa. remove the cabinet under the topside remote to expose the equipment compartment. You should see the flow switch, it's usually a threaded 3/4" plug with a single grey wire coming out of it. Most of them are threaded into a tee or a special transparent fitting. If the water level in the spa is above the flow switch, you may have to drain the spa down unless you're very fast about getting the new switch in. Unthread the old switch and thread the new one in. Follow the wire on the old one to the spa pack. You'll have to remove the screws on the cover to expose the circuit board. Follow that wire into the spa pack to see where on the circuit board that it is plugged in. It may be good to run the new wire to have in place as soon as you unplug the old one you can install the new one with no question as to where it plugs in.
Reinstall the cover on the spa-pack and turn the main power back on. Make sure that the arrows on the new flow switch are facing the correct direction (direction of flow). Once you have the spa on and it starts back up, run everything to check for leaks and proper operation. If the flow switch was the only problem, all your faults should be cleared and you should be in good shape. If there are no leaks, you can reinstall the cabinet panel.
The new switch should already have teflon tape on the threads, if not, use teflon tape, apply the tape in the direction as if you were threading a nut onto the threads. You only need a few wraps of teflon tape, too much can crack the fitting you threat the new flow switch in to.
Posted on Nov 07, 2009
SOURCE: Whisper Flo model WFE 6
Possible bad motor. You would need to test voltage at the motor connections with a multi meter. If the voltage is correct, then the motor or start capacitor is bad. If the proper voltage is not correct, then you would need to look upline in the electrical system to find the problem
Posted on May 20, 2010
1) check the fuse on the transformer. You will get "low pressure" if the fuse is blown.
1a) remove front panel with flat head screw driver turning both big screws 1/4 turn clockwise
1b) look up under the 1 remaining front piece for 2 screws (one on each side). remove them and the 1 small panel slides down
1c) transform is directly in the center of this compartment
1d) red wire on transform has a black fuse case - twist open and check fuse (with an ohm meter it should read a dead short if it is working).
1e) if not working - replace with standard 250v 2a bus fuse.
2) it really is low pressure
2a) backwash pool or at least make sure pressure in filter take is not too high (high filter tank pressure == low water pressure in heater)
2b) if you have a bypass valve make sure it is not in bypass mode so most all pressure from the pump is going tothe heater
2c) right next to the transformer is the pressure switch. It has a small copper tube attached to the back and 2 wires in the front. Put an ohm meter across the two leads on this device. With the filter off it should be open, with the filter on it should be closed (short). If not either the copper tubing is clogged, the switch is faulty, or there is not enough water going through the heater. The amount of water that goes into the heater is adjustable and the water pressure switch is also adjustable. The owners manual explains how to adjust both but neither should need adjustment unless you have a special configuration (explained in the manual).
Posted on Sep 20, 2010
The hot tub itself can be faulty or the heating element is getting faulty.
The breaker is a GFI device that compares current to and from the tub. If there is a slight imbalance, the GFI will trip.A common failure in hot tubs is the heating element. What you can do is disconnect the heater and then run the hot tub. If the breaker doesn't trip, then the element is at fault.----------
If the element checks out ok then the problem can be motor or the pump itself.If motor is weak then it will overheat in few seconds and it will shut off the heat pump.If motor is checked ok then there can be blockage in pump causing this problem.
The pump is probably the hardest working piece of equipment on your spa. To keep water moving throughout the entire circulation system the pump draws the water from the spa then pumps it on through the filter, heater and back through the jets. --------
check out this possibilities.This should help.Thanks.Helpmech.
Posted on Feb 15, 2011
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