12.0 Spa Maintenance ....................................................................... 3212.1 Cleaning The Filters..................................................................... 3212.2 Draining and Refilling................................................................... 3512.3 Pillow Care................................................................................... 3512.4 Cleaning The Spa Interior ............................................................ 3612.5 Maintaining the Cover .................................................................. 3612.6 Maintaining The Synthetic Cabinet .............................................. 3612.7 Winterizing ................................................................................... 3612.8 Restarting Your Spa in Cold Weather .......................................... 3713.0 Water Quality Maintenance ....................................................... 3713.1 pH Control.................................................................................... 3813.2 Sanitizing ..................................................................................... 3813.3 Optional CD Ozone Water Maintenance System ........................ 3914.0 Error Conditions/Error Messages ............................................ 3914.1 Summer Logic (Spas With Circulation Pump Option) .................. 3914.2 Panel Displays COL ..................................................................... 3914.3 Panel Displays ICE ...................................................................... 4014.4 Panel Displays SN1 ..................................................................... 4014.5 Panel Displays SN2 ..................................................................... 4014.6 Panel Flashes FL1 or FL2 (Spas Without Circulation PumpOption) ......................................................................................... 4014.7 Panel Flashes FL1 or FL2 (Spas With Circulation Pump Option) .... 4014.8 Panel Displays OH....................................................................... 4114.9 Panel Displays (- - -) .................................................................... 4115.0 Troubleshooting Procedures.................................................... 4215.1 None of the Components Operate (e.g. Pump, Light) ................ 4215.2 Pump Does Not Operate But Light Does ..................................... 4215.3 Poor Jet Action ............................................................................ 4215.4 Water is Too Hot .......................................................................... 4215.5 No Heat........................................................................................ 4316.0 Circuit Board Diagrams ............................................................ 4416.1 North American J-230, J-270 and J-280 Models ......................... 4416.2 North American J-210 Convertible Models .................................. 4516.3 Export 50 Hz J-230, J-270 and J-280 Models ............................. 4616.4 Export 50 Hz J-210 Models ......................................................... 4717.0 Optional Stereo Receiver Functions ........................................ 48