Jandy TruClear Salt System Displaying "Check Cell" - Salt Cell Replacement

The Jandy TruClear Salt System, in my opinion, is a very reliable saltwater system but like everything you may see an error code on the screen. Knowing what the error code signifies is an important troubleshooting step. Here is a list of codes and what they mean with of course an emphasis on the “Check Cell” code.

“Check Cell” Error Code:

Check Cell
When the system is running within a valid chlorination window and detects a cell short
circuit or overload. Designed to warn the user or service person. Output is OFF.

Check Cell
When the system is running within a valid chlorination window and detects a cell open circuit
or disconnection. Designed to warn the user or service person. Output is off but retries each 30
seconds.

This code is more common once your salt cell reaches the end of its life cycle which is around 3-5 years. The lifespan ratings are usually noted by the manufacturer in hours and most salt systems are rated for 10,000 hours of use. The “use” is when the salt cell is operating and producing chlorine which depends on the output setting. If you leave your system at “100%” output the lifespan will be the true 10,000 hours vs if you lower the output to say “70%” which means that the cell is only producing about 40 minutes out of every hour. Then you have other factors like how long your season is and the number of salt plate cleanings you perform.

All of this is to say that the ballpark 3-5 year salt cell lifespan is very open-ended. So the “Check Cell” error is a good indication that the TruClear cell has reached the end of its active lifespan. To fix this error you would simply need to replace the cell. The system is backed by a 3-year warranty and if the panel were to display the “Check Cell” in the first 2 years, Jandy may in fact warranty the cell for you. Generally speaking, the “Check Cell” error will come on after 3 years of use.

Note that this will mean that your salt system is no longer producing chlorine. A very important point. Until you replace the cell you will have to add chlorine to your pool each week. The production will remain off each day even if the system were to turn on. You will hear an audible clicking noise from the control panel until the cell is replaced and the “Check Cell” error is corrected.

Here is the replacement cell and fortunately it is relatively inexpensive. Jandy R0693900 TruClear Salt Cell Replacement

Here are some other error codes you should be aware of as well.

Lo Temp/Lo Salt
Low water conductivity When the system detects low water conductivity, this could be caused by cold water, low salt levels, or a combination of the two. Check the salt level. Output is ON.

No Flow
No flow or low flow When the system detects an absence of flow while operating within a valid chlorination cycle. Output is OFF.

Over Temp
Overheated controller The controller detects internal temperature and may can reduce output power as a self-protection feature. At 70ºC (internal) output power to the cell is reduced by 50% (no message displayed). At 80º C (internal) output power to the cell is reduced to 0% (OFF), and this over temperature error is displayed. Output is OFF. Designed to warn the user or service person of overheating. Please confirm that this warning message automatically disappears when internal temp goes below 80 °C

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