The answer is high salt level.
The Jandy Aquapure error code that reads "JO" refers to the device's operation is in Service or Time mode. If your device is not working properly, you should contact the manufacturer for a solution of the address of the nearest service center.
Clean your cell with acid if it still gives the code its a bad cell
To much salt. They recommend draining some water and refilling the pool to get the salt levels back to normal.
1. You can download the manual for the system. The manual lists the "possible cause" for code 121 as "Low current in reverse direction to Cell." The corrective action suggested is 1. Clean cell if necessary, and 2. Check DC cord.
Possible Backboard service condition
Service codes 183 to 186 are flow salinity sensor temperature probe error code. They will also generate 172 codes which indicate flow sensor service is required. Service code 182 is salinity sensor sees less than 0.2 gpl of salt or sensor air locked (also generates service code 175) For a more complete list of service codes than what was listed in my manual, try www.pleasurepoolsno.com/manuals/chlorine%20generators/aquapure%20and%20p
10101100
Jandy Nelson was born on 1998-06-24.
It means a person who is in love with Andy Fabian and who will cry if he breaks up wit her.
One of the swimming pool products that is sold by Jandy is filters for the pool. Another of the swimming pool products sold by Jandy is water sanitizers.
The answer is 172