![]() Also, don’t forget to check the sensors for scaling or corrosion. Power off the system, and then proceed to unscrew the sensors and unplug the wire.Ĭarefully examine the wires, looking for rodent or heat damage. The high limit and the temp sensor are typically found on the heater housing, having one or two smaller wires which connect them to the controller. If you notice some of these error codes, it means that the temp sensor is shorted or open. Hot Tub Error Codes –PRR, E1, EO, SN, SN2, SN3 Next, check whether there’s something stuck in the skimmer, or if there’s a clogged impeller. You should check whether there are any broken valves (whether they are closed even if they appear open). If the flow still isn’t at its normal rate, try inspecting your hot tub more thoroughly. Next, check whether all tub valves are open (the handles should be placed upward). Also, check whether anything is blocking the flow. Don’t forget to make sure all jets are completely open. To fix this code, replace or simply clean the spa filter cartridge. A bad wire, a loose plug connection, or the water flow could be causing the problem. In case the display is showing any of these codes, it means the high limit sensor is shorted or open. Hot Tub Error Codes – PRH, E2, E3, SN, SN1, HL There are several ways you can test the tub temperature sensors. Without them, hot tub safety would not be at its finest. This is when the Sn sensors come into action. If the tub water does not flow through the heater fast enough, it will overheat. The sensor codes are dependent on the water flow. Also, there could be a problem with voltage, or with the thermostat, which can, in turn, causes overheating. If you notice any of them, it typically means that either the temperature sensor or the high limit sensor is shorted or open. They refer to problems related to temperature sensors in the heater manifold. Sn codes can be shown in many forms, such as Sn1, Sn2, Sdn, SNS, etc. ![]() ![]() Let’s begin! How to Fix Sn Code on Hot Tub Guide Learning how to deal with spa error codes will come in handy no matter how often you plan to be using your tub. In this article, we will show you how to fix the Sn code on the hot tub. This may seem scary, but there is no need to worry because most spa owners will experience it at certain points in time.Īlso, such errors can be fixed in a few easy steps. But, you may notice certain errors on the tub display, such as Sn, Sn1, Sn2, or SnS. Just like any other home appliance, hot tubs need to be in proper condition to function without difficulties. ![]()
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