LG Electronics LRTN22310 Refrigerating Cycle, Cause, Troubleshooting Chart, Leakage Detection

Page 14

6-5 REFRIGERATING CYCLE

▼Troubleshooting Chart

CAUSE

 

 

 

PARTIAL

 

 

 

LEAKAGE

LEAKAGE

 

 

COMPLETE

 

 

 

RESTRICTEDBY

 

 

LEAKAGE

 

 

WHOLE

 

 

 

PARTIAL

 

 

 

RESTRICTION

DUST

 

 

RESTRICTION

 

 

 

 

 

 

 

 

MOISTURE

 

RESTRICTION

DEFECTIVE COMPRESSION

 

COMP-

 

 

RESSION

 

 

 

 

 

 

NO COMP-

 

 

 

RESSION

 

 

 

 

STATE OF

STATE OF THE

TEMPERATURE

REMARKS

OF THE

THE UNIT

EVAPORATOR

COMPRESSOR

 

 

 

 

Freezer

Low flowing sound of

A little higher

• Refrigerant level is low due

compartment and

Refrigerant is heard and

than ambient

• to a leak.

Refrigerator don't

frost forms in inlet only.

temperature.

• Normal cooling is possible by

cool normally.

 

 

• restoring the normal amount of

 

 

 

• refrigerant and repairing the leak.

Freezer

Flowing sound of refrigerant

Equal to ambient

• No discharging of Refrigerant.

compartment and

is not heard and frost isn't

temperature.

• Normal cooling is possible by

Refrigerator don't

formed.

 

• restoring the normal amount of

cool normally.

 

 

• refrigerant and repairing the leak.

Freezer

Flowing sound of refrigerant

A little higher

• Normal discharging of the

compartment and

is heard and frost forms

than ambient

• refrigerant.

Refrigerator don't

in inlet only.

temperature.

• The capillary tube is faulty.

cool normally.

 

 

 

Freezer

Flowing sound of refrigerant

Equal to ambient

• Normal discharging of the

compartment and

is not heard and frost isn't

temperature.

• Refrigerant.

Refrigerator don't cool.

formed.

 

 

Cooling operation

Flowing sound of refrigerant

Lower than

• Cooling operation restarts

stops periodically.

is not heard and frost melts.

ambient

• when heating the inlet of the

 

 

temperature.

• capillary tube.

Freezer and

Low flowing sound of

A little higher

• Low pressure at high side

Refrigerator

refrigerant is heard and

ambient

• of compressor due to low

don't cool.

frost forms in inlet only.

temperature.

• refrigerant level.

No compressing

Flowing sound of refrigerant

Equal to ambient

• No pressure in the high

operation.

is not heard and there is

temperature.

• pressure part of the

 

no frost.

 

• compressor.

 

 

 

 

▼Leakage Detection

●Observe the discharging point of the refrigerant, which may be in the oil discharging part of the compressor and in a hole in the evaporator.

 

Check if compressor

 

 

YES

 

Check if frost

 

 

 

 

 

 

 

 

Check if oil

 

 

 

 

 

 

 

 

forms in

 

 

 

 

 

 

 

 

 

 

 

 

 

 

runs.

 

 

 

 

 

 

 

 

 

 

 

No frost

 

 

leaks.

 

 

 

 

 

 

 

 

 

 

 

 

Evaporator.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

or frost forms

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

in inlet only

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Frost formed normally

 

 

 

 

 

 

 

 

 

 

Observe the discharged

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

amount of Refrigerant.

 

 

 

 

 

 

 

 

 

 

 

 

Normal amount

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

None or too much

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Moisture Clog

 

 

 

 

Faulty

 

 

 

 

 

 

Inject refrigerant in compressor

 

 

 

 

 

 

 

 

 

 

 

Compressor.

 

 

 

 

 

 

and check cooling operation.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check Compressor

 

 

Clogged by dust.

 

 

 

 

 

 

 

 

 

Gas leakage.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Frost formed normally (Find the leak and repair it)

- 14 -

Page 13 Page 15
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Page 13 Page 15
Contents Refrigerator Contents Safety PrecautionsRef. No Cuft / 22Cuft SpecificationsItems Specifications Freezer Shelf Parts IdentificationIce Bin RackDoor DisassemblyDoor Switch Freezer DoorLamp Defrost Control AssemblyFAN and FAN Motor Control BOX-REFRIGERATORPTC-STARTER AdjustmentCompressor Definition of OLP OLP Overload ProtectorTo Remove the Cover PTC Role of the OLPCircuit Diagram Good ModelTroubleshooting Compressor and Electric ComponentsPTC and OLP Compressor doesnt run Check for open short or Cause Other Electric ComponentsNot cooling at all Poor cooling performanceService Diagnosis Chart Complaint Points to be Checked RemedyRefrigerating Cycle State Temperature Remarks Unit Evaporator CompressorTroubleshooting Chart CauseItems Unit Standards Purposes Remarks General Control of Refrigerating CycleDefrost FunctionFreezer FAN Heater OFFDefect Signs Contents Remarks Mode Manipulation Contents Remarks Power Circuit PCB FunctionLoad / Buzzer Drive & Open Door Detection Circuit Load Drive Condition CheckOpen Door Circuit Door Monitor Circuit Temperature Sensor Circuit Resistance Specification of Sensor + 30 ˚C 86 FComplaint Symptom Possible Causes Solution Main PWB Assembly Exploded View & Replacement Parts List Case PartsFreezer Parts Refrigerator Parts Door Parts On some modelsNo JL8015A

LRTN19310, LRTN22310 specifications

LG Electronics has consistently been at the forefront of home appliance innovation, and the LRTN22310 and LRTN19310 refrigerator models exemplify this commitment. Both models are designed to cater to the needs of modern consumers, combining functionality with cutting-edge technology.

The LG LRTN22310 is a 22 cubic feet top-freezer refrigerator that stands out with its sleek design and user-friendly features. It includes energy-efficient LED lighting that brightens every corner, allowing users to easily find what they need. The Smart Inverter Compressor technology is a key highlight, adjusting cooling power based on the amount of food stored, which leads to significant energy savings and quieter operation.

In addition to its energy efficiency, the LRTN22310 features a multi-air flow system that ensures consistent temperatures throughout the refrigerator, keeping food fresher for longer. Its spacious interior with adjustable shelves allows for flexible storage solutions, accommodating large items with ease. The model also offers a humidity-controlled crisper, ideal for preserving fruits and vegetables at their peak freshness.

On the other hand, the LG LRTN19310, with 19 cubic feet of storage capacity, is a more compact option that does not compromise on efficiency or performance. This model also incorporates the Smart Inverter Compressor, providing optimal cooling without excessive noise. The LED interior lighting and multi-air flow technology are consistent features, ensuring food stays fresh and visible.

The LRTN19310’s sleek shelving system is designed to maximize storage space, while its easy-access freezer compartment allows for convenient organization of frozen items. The refrigerator's stylish exterior adds to its appeal, making it an attractive addition to any kitchen.

Both models highlight LG's commitment to sustainability and innovation. Equipped with smart technologies, such as energy-efficient compressors and advanced cooling systems, they provide consumers with eco-friendly choices. The combination of practical features, modern aesthetics, and advanced technology makes the LG LRTN22310 and LRTN19310 ideal selections for anyone looking to upgrade their kitchen appliances.

In conclusion, the LG LRTN22310 and LRTN19310 refrigerators not only meet the diverse demands of today’s households but also reflect LG’s dedication to quality and innovation in home appliances. Their blend of efficiency, style, and advanced features supports the modern lifestyle, ensuring food is kept fresh while minimizing energy consumption.
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