![]() If the hot tub is indeed significantly colder than the set temperature (more than 10 degrees less) you likely have a problem with your heater. As with high limit errors, you should first get a thermometer out and check the water temperature. ![]() These error codes are triggered when the hot tub detects the water is much colder than the set temperature. Cold Water ErrorsĬommon Error Codes: COL, COLD, COOL, FP, FR, FRE, LO If the hot tub temperature is normal, you’re likely dealing with a faulty temperature sensor. If the hot tub is indeed above 110 degrees you may have a problem with your heater or spa pack. If you notice a high limit error on your hot tub’s control panel get a thermometer out and check the water temperature. For a high limit error to be triggered, the temperature sensor has measure a temperature well over the set temperature typically over 110 degrees Fahrenheit. These hot tub error codes are caused when the water in the hot tub gets too hot. High Limit ErrorsĬommon Error Codes: ***, -, HILI, HL, HOT, OH, SP-OT, SN1, SN If the error code is still displaying, consult a professional. When there is no more air being released, tighten up the connection and restart the hot tub. To get rid of an air lock in your hot tub pump, simply loosen one of the pump connections. These errors are usually a sign that there is not enough water in the hot tub, although they will also display if there is air trapped in the pump (an “air lock”).Īir locks commonly occur after refilling the hot tub. Low water errors are meant to indicate a lack of water in the hot tub pump. In rare cases faulty spa packs can also cause flow errors. Flow errors can sometimes be caused by faulty or incorrectly installed sensors. Dirty filters will restrict the amount of water flowing through the filtration system and can cause flow errors in some circumstances. If the water is less than halfway up the opening to the skimmer/filter area, there simply may not be enough water flowing through the filtration system. Flow errors are caused when the hot tub’s sensors detect a lack of water flow through the heater element. In our experience, the most common hot tub error codes are flow errors. Flow ErrorsĬommon Error Codes: FLO, FLO, FL1, LF, DR, DRY Today, we will list the most common hot tub error codes, and discuss what those codes mean. Fortunately, hot tub error codes are a fantastic troubleshooting tool, if you know what they mean. Nobody likes to see an error code pop up on their hot tub’s display panel.
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