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if by light off you mean fired up then yes. the coil got warm but no cooling in the box.
no stains or odd smells. the make is dometic, unsure of model number. the trailer year is '02 and the unit is stock if that helps narrow it down.
ok, i'm away from the unit currently but ill get it and get back to you today.
ok, it's a domestic RM 4223. it draws 10a 12vdc, so, not the most efficient thing on the planet. hope this helps. should i be hearing the compressor pumping or is it too small for movement internally?
the bottom most tube, the one that leads directly from the bulbous object, the "compressor", does get quite hot, hotter than is comfy to touch for more than a spit second but nowhere near an ignition type temp. this has been noted in both the LPG and 110 modes but not tested in 12v mode. is this indicative of blockage? if so, whats the procedure for un-blocking? i've tried tapping all tubes in hopes of dislodging something but i can't tell anything.
what do you mean by run it outside. it's already exposed to fresh air. does this mean i replace the whole unit of can the cooling system be repaired?
is there a means to by pass the thermostat, like bypassing a switch, for the sake of diagnostics?
ok, being that it's nearly 2o years old and draws 10 amps for 1.9 cu ft, can i expect higher efficiency from a new unit?
would you recommend a dometic portable cooler?