Switch Position OFF - system is off, though Drain Pump will operate if water is in the drain reservoir (pour water into drain, melting ice, emptying of Water Reservoir, etc.).
Switch Position ON - Water Valve fills Water Reservoir (30 secs. or so, resulting in overflow into drain, as designed. Drain Pump kicks in (appears to turn off all other functions) and removes water (15 secs. or so), as designed. When completed, power is restored to system and Water Valve adds more water to Water Reservoir (already full, 30 secs.), resulting in overflow. Drain Pump kicks in (15 secs.). Cycles indefinitely - 30 minutes or more. Occasionally, there are deviations from this cycle. See Deviations (below).
Switch Position Clean - Compressor turns on, Water Pump turns on, and water is pumped across the Evaporator. The system appears to switch into a reverse/heat pump manner, where the Evaporator is heated and ultimately the fluids used to clean are also heated. This appears to be as designed and would (I think) contribute to a good cleaning process. Occasionally, the Water Valve adds water, which discharges some of the cleaning agent (nickle safe cleaner). Over time, most of the cleaning agent is replaced with water. While manual says the Cleaning Cycle last approximately 45 minutes, it appeared to run indefinitely until manually cancelled.
Deviations during Switch On cycle - always starts with Water Valve overflow and Drain Pump cycle for 20-30 minutes following an Switch Off to Switch On toggle. Have observed: Water pump and compressor turn on and the creation of ice sheet on Evaporator. Sometimes this is halted with a return the the Water Valve/Drain Pump cycle. Sometimes this results in a sheet of ice, which slides onto the Cutter Grid, as designed, but always returns to the Water Valve/Drain Pump cycle.
Inspection: Have inspected nearly all components and connection, observing no obvious faults. This includes PC Board, assembly switch, light switch, transformer, wire harness, etc., etc. All connections are clean, tight, and corrosion-free. PC Board shows no evidence of burn out resistors or components.
Overall, the appliance is clean and has been descaled manually and with appropriate metal-safe cleaner through cycle, though it has not been in operation for at least one-year.
Any suggestions or recommendations would be appreciated.
There is no solution. I have three kitchenaid ice makers and they do not work. The 18inch was under warranty. I had it serviced every friday until warranty ran out. I put an inline filter on the machine and it ran like a charm for three months, which is a first. It's out again! The two 15 inch same thing... inline filter and it worked for a month. Yes I have cleaned the machine over and over with appropriate products. It will turn on water fills but it appears as though the pump is not moving the water. Either way the machine worked correctly for two years only for the 15 inch and for the 18 inch one year.
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