Here’s a couple tips to save us both some time and you a little money.
If it’s leaking water shut off the water, If you can’t find the shutoff then shut off the water to the whole house. Better to shut everything off than have water problems later on.
If the appliance has no power*:
*Now, if you don’t feel comfortable with electricity then just call us.
If your fridge or freezer quits working keep it shut unless you are putting ice in it or moving things to a new unit. They can keep things cold for hours with no power.
Lastly there is no better purchase than a little mechanical thermometer from the store. Put it in your fridge so you can see it. If it gets above 42 degrees call a technician