5WTC 600 LP / MP CONTENTSService Handbook 08.20044.4.3.2 Cleaning Solution for Alkaline Cleaning ................................................................. 514.4.4 Conserving ............................................................................................................. 514.4.4.1 Draining and rinse the metering stations ................................................................ 514.4.4.2 Conserve RO systems .......................................................................................... 514.4.4.3 Draining the pre-filter .............................................................................................. 534.4.5 Removing the Preservation After Longer Operational Interruptions ....................... 534.4.6 Rinsing the pre-filter ............................................................................................... 544.4.7 Replacing the activated carbon or filter sand ......................................................... 554.5 Malfunction, Cause and Corrective Action ....................................................... 574.5.1 Metering Station LED and Indicator LEDs at the Switch Cabinet ........................... 574.5.2 Malfunction Indication at the Operating Panel ........................................................ 584.5.3 Malfunctions of the RO Control and Metering Pump .............................................. 594.5.4 Malfunctions – Sand and Activated Carbon Filter, Fine Filter and Flocculation ...... 604.6 Maintenance Plan ................................................................................................ 614.6.1 Maintenance During Operation ............................................................................... 614.6.2 Maintenance Plan Service ..................................................................................... 62Appendix ................................................................................... 63 - 84RO control manufacture settings .......................................................................... 63RO control program structure ............................................................................... 65RO 1000: User manual ........................................................................................... 67Operating Record for the WTC 600 LP/MP ........................................................... 84List of key words ............................................................................. 86 - 88Contents