KitchenAid Refrigerator E3 Error Code
Evaporator thermistor fault (E3) — sensor B out of range or open.
E3 from KitchenAid under-counter service manual.
Evaporator thermistor fault (E3) — sensor B out of range or open.
Model compatibility: KitchenAid reuses codes across series and model years, so E3 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
What this code means
Evaporator thermistor fault (E3) — sensor B out of range or open.
Symptoms you may notice
- E3 displayed
- Audible alarm six times per minute on some models
- Cooling erratic
Possible causes
- Open thermistor wire
- Shorted thermistor
- Failed sensor
Safe checks you can make
These are simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.
- Disconnect power at the breaker for five minutes, then restore to clear stored alarms. Press alarm/controls per your manual if applicable.
- Contact service for thermistor resistance test
Important safety warning. Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
What not to attempt
- Do not open internal panels or access high-voltage components
- Do not bypass door locks, safety switches or interlocks
When to call a technician
If E3 persists after the safe checks above, book Artisan Repair for independent KitchenAid diagnosis with your model and serial numbers. Not an official KitchenAid service center.
Likely related component
Evaporator thermistor (sensor B)
Frequently asked questions
Share the KitchenAid model and symptom (mixer hum, fridge warm-up, range ignition, and so on). We confirm a metro appointment window, diagnose on site, then give a written estimate you approve before any parts go in.
Yes. After diagnosis you get an upfront estimate. No KitchenAid parts are ordered or installed until you approve — including sealed-system or gas work when those apply.
Yes. We use original manufacturer parts matched to your model. We confirm the part and cost with you before anything is ordered or installed.
No. Sealed refrigeration, gas valves, and live control boards are technician-only. Safe homeowner checks stop at filters, seals, approved descaling, and what your model manual lists as user-serviceable.
We serve the Miami, New York, Houston, Los Angeles and San Diego metro areas for KitchenAid appliance repair. Contact us with your ZIP code to confirm coverage.
Sources & references
Tell us what’s wrong — we’ll take it from there
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