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mudmaker's avatar
mudmaker
Explorer
Aug 24, 2017

Fridge problems

What is the telltale sign that a fridge loses its coolant?
Working on a Dometic 2852 that goes through all functions, thermistor tests at 9300 ohms. Gas ignites. Fans come on. Was on electric when it was discovered it wasn't working. There is 120 to the board I believe.
I'm thinking it lost the ammonia coolant.
Are there any signs like a stain of some sort?
Thanks