Frigidaire FGHD2472PF Service Manual

The Frigidaire FGHD2472PF is a 24" Built-In Gallery Series Dishwasher featuring OrbitClean wash system, Sanitize option, adjustable racks, third rack, and quiet 47 dB operation. 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. Plumbing and Electrical 9. Parts Breakdown 10. Troubleshooting

Safety Precautions

WARNING! Disconnect power and water supply before servicing to prevent shock or injury. Discharge capacitors if present. Wear safety gear. Handle with care to avoid sharp edges. Use only OEM parts. Comply with local codes and EPA for any chemical handling.

CAUTION! High temperatures in heating elements; allow cooling. Two-person lift for heavy assemblies.

DANGER! Risk of electrical shock; do not bypass interlocks.

Specifications

Electrical: 120V AC, 60Hz, 12A max draw (heating 10A).
Water: Inlet temp 120°F min, pressure 20-120 PSI, usage 4-6 gal/cycle.
Dimensions: 24" W x 33.5-34.5" H x 25" D.
Weight: 85 lbs.
Sound Level: 47 dB.
Heating: 1400W element, up to 162°F sanitize.
Drain: Gravity or pump, 10 ft max lift.
Operating Ambient: 50°F to 120°F.

Diagnostic Procedures

Enter diagnostic mode: Open door, press Hi-Temp + Delay Start + Power (within 5 sec). LED flashes. Cycle through tests: 1-Fill, 2-Drain, 3-Wash motor, 4-Heater, 5-Dispenser, 6-Sensors. Exit: Power off.

Unplug, wait 1 min.
Enter mode, run tests.
Note error LEDs.
Record results for service.

Tools: Multimeter, amp probe, thermometer, manometer for water pressure.

Error Codes

Code	LED Indication	Description	Action
i20	Wash + Dry	No fill (no water)	Check inlet valve, screen, pressure switch.
i30	Wash + Heat Dry	Leak detected	Inspect tub seal, drain hose; check float switch.
i40	Normal + Heat Dry	No drain	Test drain pump (120V, 2A); clear impeller.
H20	Normal + Hi-Temp	Heater failure	Check element (15-20 ohm), thermostat.
Er	All LEDs	Board error	Reset; replace control board if persists.
d01	Door	Door open	Check latch switch continuity.

Component Testing

Inlet Valve: 120V solenoid, 800-1200 ohm coil; check for 120V during fill.

Drain Pump: 120V, 2-3A run; spins freely, no hum.

Heating Element: 1400W, 10 ohm resistance; continuity test.

Hi-Limit Thermostat: Opens at 190°F, closes 150°F; resistance infinite when open.

Wash Motor: 120V, 1.5A; check capacitor (5uF), impeller free.

Door Switch: Continuity when closed.

Pressure Switch: Dry: open, wet: closed (tests fill level).

Wiring Diagrams

Main harness: J1 power (L/N/GND), J2 controls, J3 motor/heater. Low voltage 12VDC for board. Refer to schematic: Black-L, White-N, Green-GND. Dispenser: 12V solenoid.

Wire Color	Function
Black	Line Hot
White	Neutral
Blue	Wash Motor
Red	Drain Pump
Yellow	Heater
Green	Ground

Disassembly Instructions

Control Panel: Remove screws from door front, disconnect harness, unclip.

Door Latch/Switch: Open door, remove inner panel screws, disconnect wires.

Lower Spray Arm/Pump: Remove lower rack, twist arm off; access pump via tub base, unbolt.

Heating Element: Drain unit, remove lower access, disconnect, unclip bracket.

Filter/Sump: Twist filter out; remove sump cover screws.

Upper Rack/Rail: Pull out, release stop clips.

Always unplug and shut off water.
Label all wires.
Torque electrical connections 20 in-lbs.

Plumbing and Electrical

Water inlet: 1/4" brass connector, screen filter. Drain: 5/8" hose, air gap recommended. Electrical: Junction box at rear, 12" whip. Test continuity from board to components. Pressure test: 20 PSI min.

Leak Test: Run cycle, inspect all seals.

Parts Breakdown

Refer to exploded views. Common parts: Control Board (5304475580), Inlet Valve (5304475581), Drain Pump (5304475582), Heater (5304475598), Door Latch (5304475570).

Section	Key Parts
Control	Board (5304475580), Panel (5304475569)
Door	Latch (5304475570), Gasket (5304475599)
Tub	Spray Arm Lower (5304475600), Upper (5304475601)
Pump	Drain Pump (5304475582), Wash Impeller (5304475583)
Heater	Element (5304475598), Thermostat (5304475596)
Racks	Lower Rack (5304475624), Upper Rack (5304475625)

Troubleshooting

Symptom	Cause	Action
No Fill	Valve solenoid fail, no power.	Check 120V at valve; replace if no continuity.
No Drain	Pump clogged, wiring.	Clear debris; test 120V/2A.
Dishes Not Clean	Low water temp, blocked arms.	Verify 120°F inlet; clean arms.
No Heat/Sanitize	Element open, thermostat.	Test resistance; replace.
Noisy	Impeller bind, loose parts.	Inspect motor; tighten.
Door Won't Latch	Worn mechanism.	Replace latch assembly.
Control Unresponsive	Board fault.	Diagnostic test; replace board.

Reset: Unplug 5 min, cycle power. For persistent issues, replace main control.

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