–130–Water System ChecklistA water-related problem often causes the samesymptoms as a refrigeration system componentmalfunction.Example: A water dump valve leaking during theFreeze cycle, a system low on charge, and a starvingTXV have similar symptoms.Water system problems must be identified andeliminated prior to replacing refrigeration components.Possible Problem List Corrective Action ListWater area (evaporator) is dirty Clean as neededWater inlet pressure not between 20 and 80 psig Install a water regulator valve or increase the waterpressureIncoming water temperature is not between 35°F(1.7°C) and 90°F (32.2°C) If too hot, check the hot water line check valves inother store equipmentWater filtration is plugged (if used) Install a new water filterWater dump valve leaking during the Freeze cycle Clean/replace dump valve as neededVent tube is not installed on water outlet drain See Installation InstructionsHoses, fittings, etc., are leaking water Repair/replace as neededWater fill valve or float is stuck open or closed Clean/replace as neededWater is spraying out of the sump trough area Stop the water sprayUneven water flow across the evaporator Clean the ice machineWater is freezing behind the evaporator Correct the water flowPlastic extrusions and gaskets are not secured tothe evaporator Remount/replace as needed
