The heater is deactivated and filter/circulation may be deactivated, also.Īction Required: Check for clogged filter and proper water levels in the hot tub. Standing for Flow Switch, this means it’s malfunctioning or the flow of water is being inhibited. The system will stay in this mode until water temps rise to 59☏ (15☌) below the set temperature. If the spa water is more than 19.4☏ (-7☌) colder than temperature set points, the Jets pump #1 and heater will automatically activate to provide freeze protection. If the problem continues, contact the dealer or service technician. Instead take off the hot tub cover to allow the water to cool down. The circulation pump will stop functioning to reduce frictional heating when water temp reaches 2☏ (1☌) more than the set temperature.Īction Required: Don’t enter the water. This stands for “Overheat” and the tub shuts down because one of the sensors detected that the water in the hot tub is 112☏ (44☌), which isn’t safe. These are the error codes and display messages that a Sundance Spa may display, along with what they mean and what action should be taken. For most users this often would require a service call, although if you are ok reading a wiring diagram or take some good pictures, it is a fairly easy job.Common Error Codes and Display Messages for Sundance Spas Solution: Replace board, we always recommend replacing the entire board since it is very easy to ruin a board by trying to desolder and replace the capacitors, it can be done, but it is much more reliable to just replace the part. It seems like cold weather or being shut off for a while (circuit board cools) are when capacitors really cause the watchdog error. Then ends should be perfectly flat and if they have a swollen appearance they are bad and can cause the watchdog error.
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