Frigidaire · Washing Machine
Frigidaire Washing Machine EF5 Error Code
Hot water inlet NTC temperature fault
What this error means
EF5 means the hot water inlet thermistor read out of range. Temperature-controlled fills on Electrolux-built Frigidaire washers cannot proceed without valid hot-side feedback.
How EF5 is detected
When EF5 appears on a Frigidaire washing machine, the control board has confirmed that water did not leave the machine within the programmed drain window. On Frigidaire FLCE7522AW, Frigidaire FFSE5115PW, 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 EF5 calls are resolved without parts: unplug and access the inlet valve on the rear panel. 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 EF5 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
- Thermistor disconnected at the mixing valve
- Scale buildup insulating the sensor bulb
- Open thermistor element
- Control not reading sensor after valve replacement
Step-by-step fixes
- 1Unplug and access the inlet valve on the rear panel
- 2Reseat the two-wire thermistor connector
- 3Measure resistance against the Electrolux chart at room temp
- 4Run warm fill after verifying hot supply at the tap
When to call a technician
Replace the inlet valve assembly when the thermistor reads open at 77°F.
Affected models
- Frigidaire FLCE7522AW
- Frigidaire FFSE5115PW
- Frigidaire FFWC3822LS
Prevention & maintenance
- Clean drain filters and hose terminations monthly on high-use washing machines to prevent EF5 from lint and food debris buildup.
- Record when EF5 appears in the cycle and whether it clears after a 60-second power reset on your Frigidaire washing machine—that detail speeds diagnosis if you call service.
- Keep the model and serial number from the rating plate when ordering parts for EF5; Frigidaire uses multiple revisions with different harness lengths and board firmware.
- Photograph wiring connector orientation before disconnecting any component while troubleshooting EF5; reversed plugs on pumps and valves cause immediate repeat faults.