What is the Meaning of the Spa Code FS?

What is the Meaning of the Spa Code FS?

The code FS stands for “failure to set safety parameters.” If the water temperature is above the acceptable limits, the watchdog safety system will be triggered and the spa will deactivate. If you see the code FS, do not get in the water. Instead, contact the service technician or dealer of the spa to have it repaired. You may also need to replace the UV bulb or reset the countdown timer.

ER-3 Water Prime

An ER-3 Water Prime spa error message occurs when there is air in the heater tube. This can happen even if you have refilled the  with fresh water. Other common causes include dirty filter cartridges or an airlock in the pipework. In such a case, you should contact your spa supplier. This error is also known as a “water prime failure” and can be caused by a variety of factors.

A few common causes for this code include a dirty filter cartridge, airlock in the pipe work or a low water level. A quick fix for this is to remove the filter and clean it manually. To do this, insert a hosepipe into the filter housing and turn it on for about a minute. Then, press the ‘Pump A’ button to retry water priming. If this does not fix the problem, contact your spa pool supplier for further assistance.

Malfunctioning flow switch

If the Malfunctioning Flow Switch on Spa Code FS error message appears on your spa control panel, this problem can be caused by many things. The flow switch is responsible for preventing damage to the hot tub’s heater, and they are often located behind the outside wall of the spa. This part of the  is connected to plastic piping, which is why you will find these switches located behind the outside wall.

One of the first things to check if the problem is the flow switch is the water filter. If the filter is plugged, the flow will be affected. Locate the filter, which is usually located near the skimmer inlet. If necessary, replace the filter. In the meantime, it’s safe to operate the spa without a filter. If you have a filter in your spa, be sure to clean it, as it may be blocked with debris.

High-limit sensor malfunction

If you notice that the spa is not automatically turning on, you may be experiencing a problem with the high-limit sensor. If the spa is not turning on, you will have to manually switch it on. If the temperature drops below 45degF (7degC), the pump may be stuck on or the water could be too cold. You need to call a spa specialist for assistance. The “Persistent” memory stores configuration and programming settings, and this message indicates a motherboard issue. If the message is not displayed, try performing a power cycle and call a spa specialist for assistance.

If the spa temperature is higher than normal, you may need to check your hot tub’s thermostat to make sure the temperature is within safe limits. Adding very hot or boiling water may trigger the high limit switch to trip. To troubleshoot the high limit sensor, you may need to reset the thermostat. You can do this by pressing the big red button on the spa pack. If the temperature in the thermowell matches the temperature outside, the high-limit sensor is likely damaged.

Shorted or disabled main water temperature sensor

The temperature of the main water in your spa is either too high or too low. A dry fire occurs when the water level is too low. The hose filter in your  keeps impurities out. If you have been experiencing this problem, it’s time to contact a  repair expert for a proper diagnosis. Here are some common reasons why the main water temperature sensor on your spa is not functioning properly.

Final Words:

The high-limit sensor may also be shorted or disabled. If the sensor is disabled or disconnected, the may shut down. This problem can be a temporary one. Contact Applied Computer Controls to find out what’s wrong. Your spa may be shutting down for repairs. The temperature of the water in your spa should be above forty degrees Fahrenheit. Afterward, the heater should automatically turn off.

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