13.0 Water Quality Maintenance .......................................................2913.1 pH Control ....................................................................................2913.2 Sanitizing......................................................................................2913.3 Optional CD Ozone Water Maintenance System ........................3014.0 Error Conditions/Error Messages ............................................3014.1 Panel Displays SN1 .....................................................................3014.2 Panel Displays SN2 .....................................................................3014.3 Panel Displays FL1 ......................................................................3014.4 Panel Displays FL2 ......................................................................3014.5 Panel Displays COL .....................................................................3014.6 Panel Displays ICE ......................................................................3114.7 Panel Displays OH .......................................................................3114.8 Panel Displays - - - - ...................................................................3115.0 Troubleshooting Procedures ....................................................3115.1 None of The Components Operate (e.g. Pump, Light) ................3115.2 Pump Does Not Operate But Light Does.....................................3115.3 Poor Jet Action .............................................................................3215.4 Water is Too Hot ..........................................................................3215.5 No Heat ........................................................................................3216.0 J-210/J-220 Convertible Circuit Diagram (60Hz) .....................3317.0 J-230 Circuit Diagram (60Hz) ....................................................3418.0 J-220 Export Circuit Diagram (50Hz)........................................3519.0 J-230 Export Circuit Diagram (50Hz)........................................36