What does fault high limit mean?
A hi limit fault is often a water flow problem. Check your filter or clean it. But you did not say what type or model filter you have. Or check your valves for incorrect position. L.
What does a high limit switch do on a pool heater?
The High Limit Switch is an important switch in your Max-E-Therm or MasterTemp pool heater, and is used to detect when your water temperature has exceeded a safe level (135°F) and immediately opens the heat exchanger outlet when that happens.
How do I put Jandy LXI in remote mode?
To return functionality to the RS unit, cycle the power to the Heater, or press the MENU button for 5 seconds to enter the User Setup Mode and then enable the Jandy Remote.
What does high limit 2 fault mean on pool heater?
The high limit 2 fault code means the hi limit 2 switch is open. This typically means a bad or dirty connection at the switch or the wiring from the switch back to the board and or a bad switch. It could also mean a flow issue if the heat exchanger is calcified.
What is high limit switch?
The high temperature limit switch (also known as a furnace plenum thermostat) is a safety device on a furnace that is designed to cut the gas supply when the burner temperature exceeds the safe operating range. When the temperature drops back within the safe range, it will allow the gas valve to open again.
What does a unitherm governor do?
The unitherm governor senses if the water in your heater is too hot, changing the function as needed.
Do high limit switches go bad?
Like any other part in your HVAC system, the high limit switch can wear out over time. One of the most common issues that happens when a high limit switch goes bad is that it fails to signal the blower fan to turn off. High limit switches can also weaken over time so that they begin tripping at a lower temperature.
Why is my high limit tripping?
If the air inside your furnace gets too hot, the limit switch trips to prevent overheating. If the furnace high limit switch trips due to overheating, there is likely an airflow issue that is preventing proper air movement through the system. A dirty filter is the most common cause of airflow issues.