WaterLogic WL400 Series Manual

WL400 Manual Page 80 – Revision: 10-23-2019HOT WATER TROUBLESHOOTING INDEXHot Water Problems1. Hot Water is not Hot 185° +/- 5°2. Boiling of the Hot Tank at higher elevationsAlso includes related instructions for• Disabling Sleep Mode• Resetting the Hot Tank Overloads or High Limit Safety1. Hot Water is not Hot (185° +/- 5° F)The Hot temperature set point is 185° and is controlled by a thermostat on the side of the tank.There are two resettable overloads or high limit safety above the thermostat on the side of the tankthat will trip to prevent damage to the unit if the tank is dry heated (turned on without water in it).It typically takes 10 minutes for the 500W to heat the 1.2 Liter of room temperature (ambient) waterto the 185°F set point.Possible Reason SolutionIs unit in sleep mode?If no water has been dispensed for 3 or more hours, unit goes intosleep mode. Dispense hot water, wait 5 minutes, checktemperature.If unit still does not heat proceed to “No power to heaterelements” below.See Disabling Sleep Mode Instructions that are included furtherbelow in this Troubleshooting SectionNo power to heater elements Check that the Green Heater /Compressor switch is on. I = ONLoose or improperlyconnected wire(s) to theheating element / hot tank.Visually inspect wire leads gong to the hot tank; confirm properconnections to the heating elements.Hot tank life is 3-5 years, depending on usage.*Typically, dealers swap out the hot tank at site, take back to theshop to repair.