Heat Exchanger Replacement

Heat Exchanger Replacement In the event the heat exchanger is broken or restricted and cannot be repaired, a replacement heat exchanger is available. This replacement Heat Exchanger can be used on single evaporator units only. Heat Exchanger Part # AGR75874401 How to Install Step 1: Locate the insulation patch above the machine room on the […]

Capillary Tube Replacement

Capillary Tube Replacement In the event the capillary tube is broken or restricted and cannot be repaired, a replacement capillary tube is available. This replacement capillary tube can be used on single and dual evaporator units. Capillary Tube Part# MGE63775901 How to Install Step 1: Remove cap tube from the packaging, straighten out the cap […]

Yoder Loop Testing Requirements

Yoder Loop Leak Test In the event you believe the Yoder Loop is leaking the below tests will need to be conducted.  Before Isolating Yoder Loop Gather Proper Readings: Before isolating a Yoder Loop or even tapping into a sealed system you need to have gathered the below readings from the unit…. – Temperature inside […]

Refrigerator Hidden Error Test Procedure

How to check for hidden error codes (Refrigerator) https://lgrepaircenter.com/wp-content/uploads/2024/03/HOW-TO-CHECK-FOR-HIDDEN-ERROR-CODES-.mp4 It sometimes takes 3 hours for error codes to display by themselves. But by holding the (Freezer + Ice Plus) buttons for 1-2 seconds you can pull up hidden error codes that might exist but are not displaying on their own yet. If the display shows […]

Compressor replacement & software updates

compressor replacement & software updates If the compressor was replaced always be sure and check to see if a Software Update is required. If the unit requires a Software Update there will be a service bulletin posted in GSFS. You can also use the below tables to see if your compressor requires a Software Update. […]

Sealed System Part Replacement

Sealed System Part Replacement How to Replace Compressor and Drier using a torch: How to Replace Compressor and Drier using Lokring: Lokring Sealed System Repair Video: For Lokring Part Numbers, Locations, and Information please click the button below: Lokring Information For Capillary Tube and Heat Exchanger Information please click the buttons below: Capillary Tube Replacement […]

Perform a Nitrogen Pressure Leak Test

Leak Test with Nitrogen See the setup to pressurize the whole system with 150 psi nitrogen and close off the manifold and hold to see if the pressure drops. It is important to perform a leak test after replacing sealed system parts to make sure you did not make a mistake or overlook a leak […]

Charging R134 Procedure

R134a charginG Charge the proper amount. Inspect the label on your unit and it will give you the type of refrigerant and the amount to charge to. Zero out the scales, charge the refrigerant.