Reefer killed by the heat?

Gonzo42 wrote:
There is some yellow on the floor there, but it looks very old and has a lot of dirt with it.

Sodium Chromate is a rust inhibitor in coolant solution
When dry it is a yellowish powder.

ANY yellow means sodium chromate has leaked out and dried up.
That means a DEAD cooling unit....ammonia/hydrogen done leak out also

There is some yellow on the floor there, but it looks very old and has a lot of dirt with it.

Go outside, open the access door and look smell. If you see yellowish stain or smell ammonia your refer is dead. If thats the case you will need to pull the refer and either rebuild or replace it.

Its a Norcold refrigerator with freezer. The noise is apparently a fan that runs even though the machine is turned off.

It runs on shore power or propane. There is a switch for gas/auto/ac. I alway left in on auto.

Hum? On propane too? It's supposed to be silent, except for (maybe) a fan in models that have a fan.

Way beck when I started camping in an RV, my fridge was cooled by a block of dry ice and it got real cold and stayed cold. if it has a compressor and it hums, it's shot. If it's an ammonia fridge and it hums you have board issues,

WHAT fridge?

AS you can see without that little detail guesses are all that can occur.

lp fridge does not have a compressor
Except for the new Dometic dual mode models
Which use l.p. For the fridge and D.C. Compressor for the freezer ?

Residents fridge that hums and does not get cold ... Is shot

L.p. Fridge should not hum...EVER
are you hearing the fans?

If it's a two-way absorption fridge (and so can run on propane), it does not have a compressor. You are hearing something else, maybe a fan or humming of the coil or even something unrelated to the fridge.

It's certainly possible that the AC heating element for the fridge could have died and it will cool on propane, or that it simply could not keep up with the hot weather to keep things sufficiently cool for some reason (perhaps the installation is poor, or perhaps there's a leaky door seal or misrouted drain tube letting warm air in, or perhaps it needs defrosting). It's also a possibility that the cooling system has failed and you won't get cooling regardless; in that case, I doubt the outside temperatures had anything directly to do with the failure, but was merely coincidental.

What refer? Dometic and Norcold are NOT compressor refers, so unless you have a residential model you need to check a few things.