In this video I troubleshoot a Koolaire ice machine that stopped making ice. All the components seemed to work fine but no ice was being made. The machine just seemed to run water for a while and then shut off. I contacted Tech Support and narrowed the issue down to a bad TXV. A TXV is a Thermostatic Expansion Valve. The TXV was not opening to allow refrigerant to flow through the evaporator and that’s why there was no ice production. I also tried to fix this issue by heating and cooling the TXV bulb but it didn’t work.
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