LG LRFC2606S Repair Manual

The LG LRFC2606S is a 26 cubic foot French Door Refrigerator with dual ice makers, linear compressor, smart cooling technology, door cooling+, and smart diagnosis features. This repair manual provides detailed instructions for troubleshooting, disassembly, component testing, and reassembly for qualified service technicians. Below are key sections covering safety, diagnostics, parts replacement, and technical specifications.

1. Safety Precautions 2. Model Information & Specifications 3. Diagnostic Mode & Error Codes 4. Disassembly Procedures 5. Component Testing 6. Parts List & Diagrams 7. Reassembly & Leak Testing 8. Performance Verification 9. Wiring Diagrams 10. Exploded Views 11. Troubleshooting Flowcharts

Safety Precautions

Before servicing, disconnect power. Use proper tools and PPE.

Hazard	Precaution
Electrical Shock	Unplug unit or disconnect circuit breaker before accessing internal components.
Refrigerant	Use certified recovery equipment. Avoid open flames. Ventilate area.
Sharp Edges	Wear cut-resistant gloves when handling evaporator coils or sheet metal.
Heavy Parts	Use assistance when lifting compressor or condenser assembly.
Capacitors	Discharge run capacitors with a 20k ohm resistor before handling.

Model Information & Specifications

Model: LRFC2606S. Type: French Door Refrigerator with Bottom Freezer.

Capacity: 26 cu. ft. total (Fresh Food: 17.6 cu. ft., Freezer: 8.4 cu. ft.).
Refrigerant: R-600a (Isobutane). Charge: 2.3 oz (65g).
Compressor: Linear Inverter Type.
Power: 115V AC, 60Hz, 6.5A.
Dimensions (HxWxD): 69.875" x 35.75" x 34.5".
Features: Dual Ice Makers (Fresh Food & Freezer), Smart Cooling Plus, Door Cooling+, Smart Diagnosis.

Diagnostic Mode & Error Codes

Enter diagnostic mode by pressing and holding "Ice Type" and "Light" buttons on control panel for 3 seconds.

Error codes display on control panel or via Smart Diagnosis app.
Common codes: E1 (Temperature Sensor Fault), E2 (Communication Error), E3 (Defrost System), E4 (Fan Motor Error), E5 (Ice Maker System).
Use diagnostic mode to run component tests (compressor, fans, heaters).

WARNING! Interpret codes using official LG code chart. Do not reset until fault is corrected.

Disassembly Procedures

General sequence: Remove external panels, access internal components.

Unplug refrigerator and remove food/ shelves.
Remove top grille: Release clips, lift off.
Remove control panel: Disconnect harnesses, unscrew mounting brackets.
Remove door handles and hinges: Support doors during removal.
Remove rear service panel to access compressor and condenser.
Remove evaporator cover in freezer compartment.

CAUTION! Label all wires and connectors. Keep screws organized.

Component Testing

Use multimeter for continuity and resistance checks.

Component	Test Procedure	Expected Value
Linear Compressor	Check resistance between terminals. Test for ground short.	Terminals: 5-15Ω. No continuity to ground.
Evaporator Fan Motor	Check resistance across motor leads.	100-500Ω. Spin freely.
Defrost Heater	Check continuity.	20-40Ω continuity.
Temperature Sensors (Thermistors)	Measure resistance at room temp (approx. 77°F/25°C).	10kΩ ±5%.
Main Control Board	Check input voltage (115V AC) and output to components.	Refer to wiring diagram.

Parts List & Diagrams

Key replacement parts for LRFC2606S.

Linear Compressor Assembly: Part # AJQ72907501
Main Control Board: Part # 6871JB2242A
Evaporator Fan Motor (Freezer): Part # 6327FR2006B
Fresh Food Ice Maker Assembly: Part # 5230JA2006A
Door Gasket Set (French Door): Part # MCA61874302
Temperature Sensor (Evap): Part # 6750FR1002B

Note: Always verify part number with serial number before ordering.

Reassembly & Leak Testing

After repair, reassemble in reverse order of disassembly.

Ensure all seals and gaskets are properly seated.
Reconnect all electrical harnesses securely.
If refrigerant system was opened, evacuate to 500 microns and charge with specified R-600a amount.
Perform leak test with electronic leak detector or bubble solution at all connections.
Reinstall panels and doors, ensuring alignment.

Tip: Torque service valve caps to 12 ft-lbs. Do not overtighten.

Performance Verification

Plug in unit and run performance tests.

Monitor temperatures: Fresh food compartment should reach 37°F (3°C) within 2 hours.
Check freezer temperature: Should reach 0°F (-18°C).
Verify ice maker operation: Full ice bin in ~24 hours.
Listen for abnormal noises from compressor or fans.
Confirm door alarms and control panel functions work.

WARNING! Allow 24 hours for temperatures to stabilize before final verification.

Wiring Diagrams

Refer to separate wiring diagram sheet (included in full manual). Diagram shows connections between main control board, compressor, fans, sensors, ice makers, and user interface.

Key Connectors: CN701 (Power Input), CN702 (Compressor), CN703 (Evaporator Fan), CN704 (Defrost Heater), CN705 (Fresh Food Ice Maker), CN706 (Freezer Ice Maker).

Exploded Views

Exploded view diagrams illustrate the relationship and order of all parts for the cabinet, doors, and internal assemblies. Use for identifying part numbers and correct assembly sequence.

CAUTION! Handle glass shelves and door liners with care to avoid cracking.

Troubleshooting Flowcharts

Symptom	Possible Cause	Corrective Action
Not cooling	Compressor not running, blocked vents, low refrigerant	Check power, test compressor, inspect evaporator for frost, check for restrictions.
Excessive frost in freezer	Defrost system failure, door seal leak	Test defrost heater, thermostat, and control board. Inspect and replace door gasket if damaged.
Ice maker not working	Water supply, faulty module, frozen fill tube	Check water valve, test ice maker motor, inspect for ice blockage in fill tube.
Unusual noise	Fan obstruction, compressor mount loose, rattling parts	Inspect evaporator and condenser fans. Tighten compressor mounts. Check for loose panels.
Error code displayed	Sensor failure, communication fault	Enter diagnostic mode. Replace faulty sensor or main PCB as indicated by code.

Reset: Unplug for 5 minutes to reset control board.

Service Support: LG Service Website or authorized service center.