Most everyone knows about the problems with our absorption fridges (Dometic & Norcold) and the possibility of them leaking - overheating and catching on fire. The thermal fuse it for a set temp - so if your shroud reaches that temp it shuts off the 12VDC to your fridge control unit - thus stops heating the fluid. That "diode" in the black sheath is for a fire. It then also shuts off the 12VDC. If you keep tripping the thermal fuse I would have your unit checked out by an authorized fridge dealer to make sure it's not overheating - I've seen many new ones that have had faulty cooling units.....
Mark
Mark
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