In my case it was flow/temp/salinity sensor P/N R0452500 or H0283600B (new improved style is the black epoxy with pcb board attached, $170). Installation takes 15 minuts (follow instructions). Becasue of attached pc board at the end of the sensor cable you need to purchase ($20) extension/adapter cable P/N R0538600 (if your board is W/AKC13) because of clearance issue. On my system sensor lasted approximately 3 years.
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.
flow sensor service condition or flow sensor is unplugged
The answer is high salt level.
Clean your cell with acid if it still gives the code its a bad cell
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.
To much salt. They recommend draining some water and refilling the pool to get the salt levels back to normal.
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
1400 for Caloocan City Post Office
It means a person who is in love with Andy Fabian and who will cry if he breaks up wit her.
1400
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