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First your freezer does not use R-134a. That is for auto air conditioners only. It uses R-12. You need refrigeration compound gauges, R-12 refrigerant and a two devices that connects to and punctures the lines and gives you a port to connect the hoses from the refrigeration compound gauges. You must have a refrigeration leak if you need to add refrigerant. The leak needs to be repaired or you will lose the refrigerant in a short time again.
Check the seal first. Then check the freon. If it's R-12, you can go to the auto parts house. They have a bottle with a hose to add freon. You put it in on the "suction" low side with the unit running. you can tell when it has enough by feeling the low line be cold and teh high pressure line is warm to hot
Most freezers do not have a tap from the factory to add aditional freon...you will need specialized equipment to be able to do that...
As the weather is getting warmer for many people their freezer and/or refrigerator do not work right because of a dirty condenser coil...
Check out this tip that I wrote about that... it is a great place to start trouble shooting your unit...and something that you can do rather then calling a repair person to do a simple thing for you...
The evaporator coil must be lightly frosted from the top to bottom. This proves that all of the r-134a freon is still present in the system. If you visiblely see that it is not (half frosted the other half warm?no frost) then this is a sign that the r-134a freon has leaked out. Another way to determine for sure is to use refrigeration gauges to check the pressure.
let me know what you found then we can take it from there... hope this was helpful
Hi, first check your coils on the back and make sure they are clean, then check the cover on the front bottom and make sure it is clean. If it is all clean and still running warm then it may need to be recharged with freon. At that point you should contact a heating/cooling technician to come out and recharge your system. They are the only ones licenced to handle the freon to recharge your cooling system on the fridge.