What Happens If The Gas Leaks From a Refrigerator

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The main symptoms of lack of gas in the refrigerator in cold mode are the following:

  • The refrigerator cools very little or does not get cold. In this case, check that the fan and compressor start by looking at it from the outside.

  • The pipe in the outdoor unit is frozen.

  • The inside of the fridge is leaking.

  • The inner part freezes easily.

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Instead, the symptoms in the refrigerator heat pump are the following:

  • The pump does not heat or cannot generate enough heat.

  • Outside, the exchanger freezes.

When gas escapes from the refrigerator, several things can happen:

  • If there is a gas leak the pressure will be lower than usual.

  • The refrigerator will not work properly because it needs this gas to exchange temperatures inside.

  • The refrigerant gas is flammable. Normally there is no risk of fire because there are small gas leaks, but if you recharge the fridge, do so with caution.

  • The gas is toxic, so it is advisable to ventilate the kitchen or the room in which the refrigerator is located by opening doors and windows if a gas leak occurs.

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How to charge the gas to a refrigerator

After discovering how to know if a refrigerator is low on gas and the consequences of a leak, it is necessary that you know how to charge it if you prefer to continue with the same and not buy a new one. With the following steps you will know how to gas a refrigerator safely; however, if you do not feel safe doing it or have doubts, do not get complicated and contact a professional.

  • Drain the system of any remaining gas to make a full charge.

  • Connect the service hose to the refrigerator gas bottle and the blue hose to the compressor.


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  • It bleeds the service hose, that is, letting out a small amount of coolant.

  • Open the faucet on the blue hose so that all the refrigerant gas enters (when the needle points to the end of the psi, that is, pounds per square inch).

  • Close the faucet on the blue hose and turn on the refrigerator. This will cause the gas pressure needle to go back to 0 psi.)


  • Reopen the blue hose faucet at approximately 20-second intervals.

  • When the gas pressure is between 6 and 12 psi, the refrigerator is already calibrated and charged with gas.


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  • As the refrigerator cools down, the pressure will gradually decrease.

  • Turn off the faucet and disconnect the blue hose.

  • Disconnect the service hose and the refrigerator gas bottle adapter, leaving the refrigerator on.

  • Finally, check with an ammeter that the gas pressure is within the parameters indicated by the manufacturer of the refrigerator.

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