Frigidaire · Dishwasher
Frigidaire Dishwasher i80 Error Code
Vent fan or drying system fault
What this error means
i80 relates to the vented drying system—fan not running or vent stuck open/closed.
How I80 is detected
I80 is a protective unbalanced-load fault. Frigidaire dishwasher controls measure tub movement before allowing full spin speed. Single heavy items—bath mats, thick blankets, or one-sided loads—trigger I80 on Frigidaire FGID2479SF, Frigidaire FDPH4316AS, and similar variants even when the machine is mechanically sound. The goal is to prevent cabinet damage and walking during spin.
Redistribute laundry around the drum evenly before retrying. inspect vent grille at top of door for obstruction. If I80 appears on mixed full loads after leveling, worn shock absorbers, suspension rods, or snubber pads inside the tub assembly may allow excessive movement; those parts differ by platform and are replaced from the service manual for your exact model number on the rating plate.
Common causes
- Vent fan motor failed
- Vent flap stuck closed
- Wiring loose at vent assembly
- Control not driving fan during dry
Step-by-step fixes
- 1Inspect vent grille at top of door for obstruction
- 2Listen for fan during dry phase
- 3Reseat vent harness behind inner door panel
- 4Run a heated dry cycle as test
When to call a technician
No fan movement with voltage at vent motor needs vent assembly service.
Affected models
- Frigidaire FGID2479SF
- Frigidaire FDPH4316AS
- Frigidaire FFCD2413US
Prevention & maintenance
- Use the correct cycle for load size—Bulky or Bedding cycles on Frigidaire washers exist to prevent I80 on heavy items.
- Record when I80 appears in the cycle and whether it clears after a 60-second power reset on your Frigidaire dishwasher—that detail speeds diagnosis if you call service.
- Keep the model and serial number from the rating plate when ordering parts for I80; Frigidaire uses multiple revisions with different harness lengths and board firmware.
- Photograph wiring connector orientation before disconnecting any component while troubleshooting I80; reversed plugs on pumps and valves cause immediate repeat faults.