Frigidaire FGHB2844LF7 Service Manual

The Frigidaire FGHB2844LF7 is a 27.8 Cu. Ft. French Door Refrigerator with bottom freezer, featuring EvenTemp cooling, PureAir Ultra II filter, and SpaceWise organization. This service manual provides technical information for qualified technicians, including diagnostics, wiring diagrams, component testing, disassembly, and parts lists. Intended for trained personnel only. Powered by 120V AC, 15A circuit. For official support, contact Frigidaire service at 1-800-374-4432. Below are key sections for repair and maintenance.

1. Safety Precautions 2. Specifications 3. Diagnostic Procedures 4. Error Codes 5. Component Testing 6. Wiring Diagrams 7. Disassembly Instructions 8. Refrigeration System 9. Parts Breakdown 10. Troubleshooting

Safety Precautions

WARNING! Disconnect power before servicing to prevent electrical shock. Discharge capacitors. Wear safety gear. Handle refrigerant per EPA regulations (R-134a). Do not bypass safety controls. Use only OEM parts.

CAUTION! High voltages present; two-person lift for heavy components. Avoid ESD on electronics.

DANGER! Refrigerant under pressure; use recovery equipment. Fire hazard with flammable materials.

Specifications

Electrical: 120V AC, 60Hz, 15A max draw.
Refrigerant: R-134a, 6.5 oz charge.
Dimensions: 70" H x 36" W x 33" D.
Capacity: 27.8 Cu. Ft. (18.3 Ref, 9.5 Freezer).
Defrost: Adaptive defrost every 6-72 hours.
Compressor: Embraco, 1/4 HP.
Ambient: 55°F to 110°F operating.
Water Pressure: 20-120 PSI for dispenser.

Diagnostic Procedures

Enter service mode: Press and hold Freezer and Refrigerator temp buttons for 5 seconds (display "SY"). Cycle through tests with up/down arrows. Tests include: Compressor run, fans, defrost heater, lights, sensors.

Unplug unit, wait 1 min.
Plug in, enter diagnostics.
Run tests, note failures.
Exit: Hold door switch 10 sec.

Tools Needed: Multimeter, thermometer, amp clamp, manifold gauge set.

Error Codes

Code	Description	Action
SY EF	Evaporator Fan Failure	Test fan motor, wiring, control board.
SY CE	Freezer Temp Sensor Error	Check sensor resistance (10k ohm @ 77°F), replace if open.
SY dE	Defrost Error	Test heater (30-50 ohm), thermostat (closes @ 40°F).
SY HS	High Side Pressure	Check condenser fan, clean coils.
OP	Door Open	Check switch alignment.
PF	Power Failure	Clear after restoring power.

Component Testing

Compressor: Locked rotor amps 5-7A start, 1-2A run. Check windings: Run 3-5 ohm, Start 5-10 ohm, Common 0 ohm.

Evaporator Fan: 120V, 0.5A, spins freely, 50-100 RPM.

Defrost Heater: 300-500W, resistance 25-40 ohm.

Thermistors: 10k NTC, resistance chart: 32°F=32k, 77°F=10k, 104°F=3.3k ohm.

Water Inlet Valve: 120V solenoid, 500 ohm coil.

Wiring Diagrams

Refer to schematic in back: Main harness connects control board (EOC) to compressor, fans, heater, sensors. Power: Black to L1, White to N. Ground green. Low voltage: 5VDC for sensors. Ice maker: 120V via harness.

Key Connections: J1 (Power), J2 (Sensors), J3 (Outputs).

Wire Color	Function
Black	Line Hot
White	Neutral
Blue	Evap Fan
Yellow	Defrost Heater
Red	Cond Fan

Disassembly Instructions

Control Board: Remove top grille, disconnect harness, unclip board.

Evaporator Fan: Remove rear panel in freezer, disconnect, slide out assembly.

Compressor: Recover refrigerant, remove lower access panel, cut lines, unbolt.

Doors: Remove top hinge, lift off, transfer hardware.

Ice Maker: Unplug harness, release mounting screws.

Always unplug power.
Label wires.
Torque fittings 15-20 ft-lbs.

Refrigeration System

Single evaporator, capillary tube, hot gas bypass for defrost. Pressures: Low 0-5 PSIG cut-in, 20-30 cut-out; High 150-250 PSIG. Charge: 6.5 oz R-134a. Leak test with nitrogen, evacuate to 500 microns.

Sealed System Repair: Requires brazing, recovery station. Replace filter-drier always.

Parts Breakdown

Refer to exploded views. Common parts: Compressor (5303919037), Evap Fan Motor (5304460131), Control Board (5304495668), Thermistor (5303930015).

Section	Key Parts
Cabinet	Top Hinge (240423401), Leveling Leg (5308000010)
Doors	Gasket (242193231), Handle (242126602)
Evaporator	Heater (5308000014), Cover (5303921067)
Controls	Board (5304495668), Display (241707601)
Ice Maker	Assembly (5303917276), Valve (5303918201)

Troubleshooting

Symptom	Cause	Action
No Cooling	Compressor not running, low charge.	Check voltage 120V, amps 1A run; pressures.
Freezer Frosted	Defrost failure.	Test heater/thermostat; advance defrost.
Noise	Fan rubbing, loose panels.	Inspect fans, tighten screws.
No Ice	Valve solenoid, maker module.	Check 120V to valve, cycle maker.
Water Leak	Clogged drain, faulty valve.	Clear drain tube; test valve.
Control Issues	Board fault, sensor open.	Replace board if tests pass; check resistance.

Reset: Unplug 5 min, or cycle power. For sealed system, call authorized tech.

Service Contact: 1-800-374-4432; www.frigidaire.com