Specification Brand : WERLAHO BulletPoint1 : BulletPoint2 : BulletPoint3 : BulletPoint4 : BulletPoint5 : Color : Green ExternallyAssignedProductIdentifier1 : 0759838077820 ExternallyAssignedProductIdentifier2 : 759838077820 ItemName : WERLAHO GLX-PCB-RITE Main Control Board Replacement for Hayward Aqua Rite Salt Systems Work Only for T-15 Salt Cell with 1 Year Warranty ItemPackageDimensions_Height : 18.288 centimeters ItemPackageDimensions_Length : 5.207 centimeters ItemPackageDimensions_Width : 15.3924 centimeters ItemTypeKeyword : swimming-pool-and-spa-replacement-parts Manufacturer : WERLAHO ProductDescription : 1. Only for TCELL-15, not fit T-9 or T-5 or T-3. 2. The chlorine production time is based on the set “Desired Output %”. If your current setting is 50%, the control board to produce chlorine for 1h, and stop for 1h, and cycle this step continuously. No need to manually reset and restart the device! If you set it to 100% (Super Chlorinate ) control board will continue to produce chlorine without stopping. If you need better results, keep it above 70%. 3.Frequently Asked Questions and Answers A.Check Salt and Inspect Cell LED flashing or ON -Wrong T-cell , only fit TCELL-15. -Low salt level (2700-3400ppm is great) -TCELL-15 need to Clean B.How to read ppm correctly on the new board -Press Diagnostics button 5 times to display”-xxxx”,when this salt level is down to correct , Push cycle slide main switch for Auto -> Super Chlorinate->Auto. C.High Salt LED ON -Verify salt level is 2700-3400ppm and check with independent test to ensure accuracy. D.No Flow led ON -Make sure Flow switch is installed ok. -Bad flow switch. E.Stop make chlorinate -“Desired Output %” set too small -Pump Time clock set too small. -Low salt level -High salt level -No flow -Bad T-CELL /wrong T-cell -Water is too hot /cold -Power voltage is too low