Tom, Western used an Amana side by side. With the original inverter made by Onan that is a square wave, the refrigerator control board needs a resistor changed to a larger wattage. Once that was done our refrigerator was good for over 6 years before we changed to a Xantrex true sine wave because the Onan stopped charging, nothing related to the refer.
If you want more info PM me.
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Dave, Bobbi and Fenway
2005 38' FDTS Alpine Limited, 2016 Jeep Grand Cherokee Limited
Cape Cod, MA