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Voltage from the motherboard to the inverter board was measured at 7.8 volts. Per your youtube video, you expect 4-6 volts. Does 7.8 volts indicate a problem with the motherboard? Overall behavior is that lights/fans, water dispenser are all working. On applying power, there is a clicking for about 3-4 seconds, but the compressor doesn't come on. I've yet to remove the inverter board to test resistance between the compressor contacts. Thank you.

Klixon® Compressor Overload Control Specifications View File Two engineering briefs from Sensata on their Klixon® line of compressor and motor overload controls. (Klixon® is the trade name for the overload protectors and is the most common one used in the industry.) The briefs cover the two most common types of overloads used with single phase compressors and motors: Phenolic 4TM series Submitter Samurai Appliance Repair Man Submitted 09/11/2017 Category Appliance Repair Manual Pot Luck Supper  

Tecumseh Guidelines for Utilization of R600A and R290 View File The use of hydrocarbon (HC) refrigerants R600a (isobutane) and R290 (propane) for replacements for HCFC’s and HFC’s continues around the globe. R600a and R290 have ozone depletion potential (ODP) factors of zero (0.0) and a fraction of the global warming potential of those refrigerants they are intended to replace. Both have acceptable toxicity levels; however, both are flammable. Neither of these refrigerants are “drop-in” replacements for HCFC’s or HFC’s. There are significant differences between R600a and R290, and the non-HC refrigerants that must be considered in handling, processing and application. These guidelines are offered to help understand these differences. Submitter Samurai Appliance Repair Man Submitted 09/08/2017 Category Appliance Repair Manual Pot Luck Supper