Hello, you didn’t say how old the frig/coach is but if we’re talking 8-10 years or more then I’m afraid your frig is dying of old age. You probably have a blockage in the system. I had the same issues many years ago. If you’re handy with tools you co...
You have an old unit, 15 years is a long time. check for any blockage up the flu and barring that, you're gonna have to replace the unit or get a cooling unit upgrade from JR Refrigeration in Indiana. Look him up on facebook/utube, I used his service...