Whirlpool · Washing Machine
Whirlpool Washing Machine F26 Error Code
Door switch not confirming open cycles
What this error means
F26 triggers when the control does not detect the door opening after three consecutive completed loads, or when the door switch reads open while the lock is engaged. The washer assumes the door switch circuit has failed.
How F26 is detected
When F26 appears on a Whirlpool washing machine, the control board has confirmed that water did not leave the machine within the programmed drain window. On Whirlpool WFW560CHW, Whirlpool WFW6620HC, and similar variants, the drain pump runs for a fixed interval—often three to seven minutes on washers and dishwashers—while a pressure switch or turbidity sensor verifies the tub or sump is empty. If water remains, the cycle stops to prevent spin with a full tub or overflow on the next fill.
Most F26 calls are resolved without parts: open the door fully, wait five seconds, close it firmly, and start a new cycle. Restricted drain paths mimic pump failure because the impeller spins against a blocked hose or filter. Document whether the pump hums audibly during the drain step; a humming pump with no water movement points to a clogged filter or kinked hose, while silence may indicate a failed pump motor or loose wiring at the harness.
After clearing blockages, run a short cycle and listen at the drain hose for steady water flow. If F26 returns on the next load with a clean filter and straight hose, measure resistance at the pump motor connector per the service manual for your model before ordering a replacement pump assembly.
Common causes
- Door switch stuck in the closed position inside the lock assembly
- Broken actuator on the door latch not pressing the switch
- Loose wire at the door lock DLS connector
- User never opening the door between back-to-back cycles on the same day
Step-by-step fixes
- 1Open the door fully, wait five seconds, close it firmly, and start a new cycle
- 2Inspect the door lock for foreign objects jamming the switch plunger
- 3Unplug for two minutes to reset the control memory of load count
- 4Check the door switch with a multimeter—it should toggle when the latch engages
When to call a technician
Replace the door lock assembly if the switch fails continuity testing while the door is open and closed.
Affected models
- Whirlpool WFW560CHW
- Whirlpool WFW6620HC
- Whirlpool WFW9150FW
Prevention & maintenance
- Clean drain filters and hose terminations monthly on high-use washing machines to prevent F26 from lint and food debris buildup.
- Record when F26 appears in the cycle and whether it clears after a 60-second power reset on your Whirlpool washing machine—that detail speeds diagnosis if you call service.
- Keep the model and serial number from the rating plate when ordering parts for F26; Whirlpool uses multiple revisions with different harness lengths and board firmware.
- Photograph wiring connector orientation before disconnecting any component while troubleshooting F26; reversed plugs on pumps and valves cause immediate repeat faults.