TRO(Total Residual Oxidants) Sensor
TRO Sensor Ballasting TRO Concentration Alarm/Shutdown TRO_ _ _BHL [TRO-_ _ _] HIGH/LOW ALARM IN BAL SHD_TRO_ _ _ [SHD_TRO_ _ _ ] SHDN BY TRO VALUE Abnormal TRO value Take measures referring to the following instructions. 1. Check the amount, color, expiration and replacement cycle of the TRO indicator reagent and replace it if…