A hot tub is a nice addition to a home. It is perfect for entertaining guests or for relaxing at the end of a tiresome day. If you have become spoiled by having a hot tub to enjoy whenever you like, then you probably will be disappointed and maybe even a little frustrated when the hot tub is not working. Knowing some hot tub troubleshooting tips can get you back in your tub a lot sooner. Does this Spark an idea?
Water Gets Too Hot
If the water in your hot tub gets too hot, you need to examine the heater contractor and the thermostat. The heater contractor may have become welded shut. This happens when the water in the spa gets too low, when you have an old or clogged filter or when the pressure switch is out of adjustment.
Make sure the thermostat is turned up all the way. Check the temperature of the water with a separate thermometer. If the thermostat is not working, it will have to be replaced. The water also will overheat if you leave the jet pump on for a long time.
Water Will Not Heat
If the water in your hot tub will not heat over 99 degrees, run the hot tub without the filter for a couple of days, then test the temperature again. If the temperature has risen, then replace the filter. If the temperature did not rise, then replace the thermostat. Never try to calibrate the thermostat. It is safer to replace a thermostat than to take a chance on seriously injuring someone.
Nothing On The Hot Tub Works
If your hot tub is not working at all, turn off the main circuit breaker that supplies the power, and check the fuses with an Ohmmeter. If the fuses are fine, turn the power back on and check that you have the correct line voltage (110 or 220) in the hot tub control panel at the terminal strip. If you do have the correct line voltage, then test the GFCI by pressing the test or reset button. If it does not pop out, then you have a malfunctioning GFCI and will need to replace it.
The Spa Has A Leak
If your hot tub has a leak, turn off the power to the spa and examine the equipment. If the leak is around the pump, you could have a pump seal failure. Check the union fittings of the heater and spa pump. They might have vibrated loose and can be tightened by hand. Check the pressure switch and heater and inspect the valves. Examine all jets, pipes and connections for leaking.
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