KitchenAid KDFS424SWH Dishwasher
Troubleshooting, fault codes and repair information for the KitchenAid KDFS424SWH, organized around the engineering platform this dishwasher is built on.
- Brand
- KitchenAid
- Model
- KDFS424SWH
- Engineering revisions
- KDFS424SWH0, KDFS424SWH00
- Appliance
- Dishwasher
- Platform
- Dishwasher platform, documentation from about 2025
- Models on this platform
- 48 across KitchenAid, Maytag
- Documented fault codes
- 16 with explanations
- Service diagnostic mode
- Yes — a console-only test mode used by technicians to read stored codes and run component tests
- Service documentation
- Tech sheet, service manual (used by our technicians; not published)
KitchenAid KDFS424SWH error codes
These are the fault codes documented for the platform this model belongs to. A code describes a condition the control detected; it does not by itself identify a failed part. Select a code for causes, safe checks and repair context.
| Code | Meaning | Areas involved |
|---|---|---|
| F1E1 | Control: ACU relay or triac failure | Main control board, Heating element, Circulation (wash) pump and motor |
| F3E1 | Thermistor/OWI: open or shorted | Temperature sensor (thermistor), Turbidity (soil) sensor, Wiring harness and connectors |
| F3E2 | OWI: failed calibration | Turbidity (soil) sensor, Wiring harness and connectors, Drain pump |
| F4E2 | Heater: open, unplugged or failed relay | Heating element, Wiring harness and connectors, Main control board |
| F4E3 | Heater: relay shorted or heater failed | Heating element, Main control board |
| F7E1 | Wash motor failure | Circulation (wash) pump and motor, Main control board, Wiring harness and connectors |
| F7E2 | Variable-speed wash motor failure | Circulation (wash) pump and motor, Main control board, Wiring harness and connectors |
| F7E4 | RIF filter plugged | Filter assembly, Circulation (wash) pump and motor |
| F8E1 | Inlet water: no water / tap closed | Water inlet valve, Float and float switch, Flow meter |
| F8E2 | Inlet water: fill valve electrical problem | Water inlet valve, Wiring harness and connectors, Main control board |
| F8E3 | Inlet water: very low water, suds or air in pump | Detergent dispenser, Diverter motor and disk, Wiring harness and connectors |
| F8E4 | Overfill / float switch open | Float and float switch, Water inlet valve, Drain pump |
| F8E5 | Inlet water: fill valve stuck open | Water inlet valve, Main control board, Flow meter |
| F9E1 | Draining: not draining | Drain pump, Filter assembly |
| F9E2 | Draining: drain motor electrical problem | Drain pump, Wiring harness and connectors, Main control board |
| F10E5 | Diverter leak detected | Diverter motor and disk, Wiring harness and connectors |
Common dishwasher problems
- Not draining
Documented check order on this platform: Water-level pressure sensing → Filters and spray arms - Not cleaning
Documented check order on this platform: Load size or distribution → Filters and spray arms → Diverter - Not filling
- Not drying
Documented check order on this platform: Dispenser - Leaking
Documented check order on this platform: Drive or pump motor → Exhaust vent restriction → Power supply to the appliance → Detergent type or amount - Not starting
Documented check order on this platform: Power supply to the appliance → Lid or door switch / lock → User interface / keypad - Lights blinking
Typical dishwasher repair costs
| Repair | Typical range | Labor |
|---|---|---|
| Dishwasher drain pump replacement | $180–$400 | Moderate |
| Dishwasher water inlet valve replacement | $180–$360 | Light |
| Dishwasher door latch replacement | $180–$350 | Light |
| Dishwasher door switch replacement | $180–$320 | Light |
| Dishwasher detergent dispenser replacement | $180–$370 | Moderate |
| Dishwasher thermistor or turbidity sensor replacement | $180–$330 | Light |
| Dishwasher circulation pump and wash motor replacement | $300–$620 | Heavy |
| Dishwasher heating element or drying fan replacement | $190–$410 | Moderate |
| Dishwasher diverter motor replacement | $180–$390 | Moderate |
| Dishwasher main control board replacement | $260–$590 | Moderate |
Typical total ranges for the Las Vegas area, parts and labor included. The final cost depends on diagnosis, the exact model, parts availability and whether other damage is found.
Repair or replace?
Dishwashers typically last about 9–12 years. The age printed in the serial number, the repair cost and the condition of the rest of the appliance decide it. Use the repair-or-replace guide.
Models built on the same platform
These models share this platform's service documentation, so fault codes and most diagnostic steps are the same.
- KitchenAid KDFM404KBS
- KitchenAid KDFM404KPS
- KitchenAid KDFS424SBE
- KitchenAid KDFS424SBL
- KitchenAid KDFS424SJP
- KitchenAid KDFS424SPS
- KitchenAid KDPM604KBS
- KitchenAid KDPM604KPS
- KitchenAid KDPM704KPS
- KitchenAid KDPM804KBS
- KitchenAid KDPM804KPS
- KitchenAid KDPS424SBE
- KitchenAid KDPS424SJP
- KitchenAid KDPS424SPS
- KitchenAid KDPS624SBE
- KitchenAid KDPS624SJP
- KitchenAid KDPS624SPS
- KitchenAid KDPS724SBE
- KitchenAid KDPS724SJP
- KitchenAid KDPS724SPS
- KitchenAid KDTM404KBS
- KitchenAid KDTM404KPS
- KitchenAid KDTM405PPS
- KitchenAid KDTM604KBS
- KitchenAid KDTM604KPS
- KitchenAid KDTM704KPS
- KitchenAid KDTM804KBS
- KitchenAid KDTM804KPS
- KitchenAid KDTS424SBE
- KitchenAid KDTS424SJP
Need your KitchenAid KDFS424SWH repaired in the Las Vegas area?
We repair Whirlpool, Maytag, KitchenAid, JennAir, Amana and other Whirlpool-family appliances in Las Vegas, Henderson, Summerlin and Boulder City. A model number helps but is never required to book.