Whynter Wine Cooler E1 — What It Means & How to Fix It
Also shown as E2 on some models.
E1/E2 flags a failed temperature sensor inside the cabinet — the control can't judge cooling demand.
What this code means
Whynter's BWR-series documentation groups E1 and E2 together: both indicate the air-temperature sensor (thermistor) has failed. The sensor is inside the cabinet, usually near the evaporator, and replacement requires removing interior panels.
The Whynter instruction manual says E1 or E2 "indicates that the air temperature sensor is failed" and gives "call for service" as the solution. The same manual covers the BWR-171DS and DWR-401DS; for any other Whynter cooler, confirm the code in that model's manual.
Most likely causes
| Cause | How likely | DIY-fixable? |
|---|---|---|
| Failed temperature sensor (thermistor) | Common | No — technician job |
| Loose sensor connector from vibration | Occasional | Partly — inspect if reachable |
What you can try yourself
- Reset via breaker for 30 seconds and retry.
- If E1/E2 returns, don't disassemble the cabinet; the sensor is inside, near the evaporator.
- Book service and mention whether E1 or E2 displayed — both point to the same part family.
When to call a technician
- Code returns after reset.
- Unit cools poorly or runs too long despite the display being normal.
Typical professional repair cost: Sensor replacement is a compact service call — quote from Whynter-authorized partner.
Frequently asked questions
Is E1 different from E2?
On Whynter's documentation they are the same failure family (air-temperature sensor). The display may vary by zone/model, but the fix is the same.
Sources checked
Error meanings can vary by model. This guide was checked against the documentation above; use the manual for the model number on your own appliance when it differs.
Related Whynter codes
- Whynter Wine Cooler E0 E0 is Whynter's communication-fault code — the control board isn't talking to the display or sensors properly.
- Whynter Wine Cooler E5 E5 points to the defrost heater — the component that melts ice off the coils so airflow can recover.
- Whynter Wine Cooler E7 E7 means the door-switch (magnetic or mechanical) isn't reporting a closed state reliably.
- Whynter Wine Cooler E3 E3 or E4 on a Whynter wine cooler means the defrost sensor in the evaporator has failed — the manual's only remedy is to call for service.
More: all Whynter wine cooler codes · all Whynter codes · search by symptom