Frigidaire FG4H2272UF Refrigerator Service Manual

The Frigidaire FG4H2272UF is a 21.4 cu. ft. counter-depth 4-door French door refrigerator with Custom-Flex™ temperature controls, featuring automatic defrost, ice and water dispenser, and ENERGY STAR® certification. This service manual provides technical data, diagnostics, wiring diagrams, component testing, and parts information for qualified technicians. Always disconnect power before servicing. Refer to the service data sheet for detailed procedures. Below are the key sections.

Safety and General Information

• Caution: The information provided herein is designed to assist qualified repair personnel only. Untrained persons should not attempt to make repairs due to the risk of electrical shock, which may cause personal injury or death. Always disconnect power cord before servicing.
• Power: 115 VAC (127 VAC max); grounded outlet required.
• Refrigerant: R134a; automatic defrost, bottom freezer with ice & water.
• Safety Note: Always check for pinched or damaged wires before replacing components. Determine whether failure is caused by the component, main control board, or wiring. Contact TID before replacing main control board.
• Important: Refer to Service Manual for additional information. Refrigerant charge: Not specified in data sheet.

Performance Data

Conditions: No load, no door openings at 37°F/0°F control setting. Type A with run/start capacitor.

• 65°F (18°C) Ambient:
  • Operating Time: 70-90%
  • Freezer Temp: -6° to 6°F (-21° to -14°C)
  • Refrigerator Temp: 34° to 44°F (1° to 7°C)
  • VCZ Temp: -6° to 45°F (-21° to 7°C)
  • Low Side Pressure: -1 to 3 psig (98 to 124 kPa)
  • High Side Pressure (last 1/3 cycle): 69-83 psig (577 to 672 kPa)
  • Wattage (last 1/3 cycle): 45-55
  • Amps (running): 0.7-0.9
  • Base Voltage: 115 VAC (127 VAC max)
• 90°F (32°C) Ambient:
  • Operating Time: 90-100%
  • Freezer Temp: -6° to 6°F (-21° to -14°C)
  • Refrigerator Temp: 34° to 44°F (1° to 7°C)
  • VCZ Temp: -6° to 45°F (-21° to 7°C)
  • Low Side Pressure: 0.8 to 3 psig (107 to 120 kPa)
  • High Side Pressure (last 1/3 cycle): 117-128 psig (907 to 982 kPa)
  • Wattage (last 1/3 cycle): 54-74
  • Amps (running): 0.8-1.1
  • Base Voltage: 115 VAC (127 VAC max)

Defrost System Specifications

• Cabinet Size: 22’ CD
• Freezer:
  • Thermal Cutout: 162°F (72.2°C)
  • Heater: 258 +/- 5 Watts
  • Defrost Thermistor Termination: 51.3 +/- 5 Ohms
  • Cut-out: 48°F (8°C)
• Fresh Food:
  • Thermal Cutout: 38°F (3°C)
• Fresh Food Ice Maker:
  • Thermal Cutout: 162°F (72.2°C)
  • Heater: 70 +/- 5 Watts
  • Defrost Thermistor Termination: 189 +/- 5 Ohms
  • Cut-out: 61°F (16°C)
• Electronic Timer (ADC): Defrost 34 minutes every 12-96 hours of compressor run time.

Component Ratings and Testing

• Condenser Fan Motor: 0.75 Watts, 1100 ± 100 RPM, 40 L/S 0.104 A Max (@12V DC/20°C)
• Freezer Ice Maker: 115 VAC (127 max); Thermostat opens at 48°F (9°C), closes at 15°F (-9°C); Heater 115 VAC
• Ice Maker Mold Heater: Not specified
• VCC Compressor Motor Resistance: Check between terminals; equal resistances indicate operative. If failed, check inverter board signals.

Diagnostic Modes and Error Codes

Error Codes

Error codes displayed on FZ (Freezer) and FF (Fresh Food) displays.

Code	Display Interpretation	FZ	FF
Er t1	Fzr Temp Sensor Open/Shorted	Er	t1
Er t2	Fzr Defrost Sensor Open/Shorted	Er	t2
Er t3	FF Temp Sensor Open/Shorted	Er	t3
Er t4	FF Defrost Sensor Open/Shorted	Er	t4
Er t5	VCZ Temp Sensor Open/Shorted	Er	t5
Er t6	Ice Maker Tray Sensor Open/Shorted	Er	t6
Er CE	Communication Error UI to Main Board	Er	CE
dl SP	Chute Flapper Not Closed	dl	SP

Diagnostic Modes

Activate System Diagnostic: Press FZ + (^) and FZ - (v) for 10 secs. All LEDs lit. Deactivate: Same for 10 secs.

• Manual Defrost: Activate: FZ + (^) and FF + (^) for 10 secs. Display: d
• Demo/Showroom: Activate: FZ + (^) and FF - (v) for 10 secs. Display: Demo
• Sabbath: Activate: FZ - (v) and FF + (^) for 5 secs. Display: Sb

Diagnostic Tests: Use Cube button to advance/activate. Results in FF display. Examples include heater tests (on/oF, temp change), valve tests (on/oF), fan speeds (on/Mi/oF), door switches (CL/OP), sensors (temp/OP/SH), ice maker tests (Go/Em/Fu/ER), etc. Refer to full list in service data sheet for complete testing procedures.

Wiring Diagrams Summary

Refer to Wiring Diagram in service data sheet (PDF). Key connections:

• Power: LINE/NEUTRAL to main board.
• Compressor: VCC via inverter board.
• Sensors: Thermistors to main board (FZ/FF/VCZ/IM).
• Fans: Evap (DC), Condenser (DC).
• Valves: Water valves (main, dispenser, IM) 120V.
• Heaters: Defrost (FZ/FF/IM), Mullion, Fill Tube.
• Doors/Switches: Door ajar switches.
• Grounds: Cabinet and base plate.

Troubleshooting

• Not Cooling: Check power, controls, seals, vents; ensure level. Test compressor, fans, thermistors (OP/SH codes).
• No Ice/Water: Verify water supply, filter, valves (test 8/53/56); ice maker sensors (t6), heater (72).
• Defrost Issues: Check thermistors (t2/t4), heaters (2/71), timer (12-96 hrs). Use manual defrost mode.
• Noisy: Normal fan/compressor; level unit; inspect loose parts, fans (15/17/18).
• Error Codes: Diagnose per codes (Er t1-t6, CE, dl SP); check wiring, sensors, communication.
• Door Problems: Test switches (23/24/25: CL/OP); adjust hinges.
Note: Refer to diagnostic tests for verification. Contact Frigidaire at 1-800-374-4432 for persistent issues.

Parts List

Common replacement parts (OEM compatible; prices approximate, check current). For full diagram, refer to parts manual.

• Water Filter (PureSource Ultra, PS12366457 / ULTRAWFC): $124.39
• Door Gasket - Fresh Food (PS17990263 / 241778315): $75.40
• Ice Maker Assembly (PS16221322 / 243297613): $93.69
• Evaporator Fan Blade (PS473177 / 5308000010): $47.82
• Door Bin (PS3497801 / 242079701): $76.37
• Leveling Foot (PS425733 / 216396900): $32.86
• Light Bulb (PS12712277 / 5304517886): $55.65