Viking Dual-Zone Wine Cellar Code E3: Upper Sensor A Out of Range

What E3 means

On Viking dual-zone undercounter wine cellars with TruProtect control, such as the VUWC2441 and DFUW2441C, E3 means the upper compartment sensor A is out of range. The control uses that sensor to hold the upper zone at your set temperature. On single-zone cellars, E3 instead refers to the evaporator thermistor, called sensor B, so the model matters when you compare notes.

Common causes of E3

Upper compartment sensor A out of range
Loose sensor connector
Control input problem

✓ One safe check you can try

1. Check the upper zone temperature with a thermometer. 2. Unplug the cellar for a minute and restore power. 3. Hold SET and press ON four times to clear the code. 4. Keep the door closed. 5. If E3 returns, call us.

! Why to stop there

The sensor is inside the cabinet
A wrong reading lets the zone drift
The right sensor depends on whether the cellar is single or dual zone

Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.

→Same appliance

Other Wine & Beverage codes

E2Viking Wine Cellar Code E2: Condenser Fan Amps High or Low E4Viking Wine Cellar Code E4: Lower Sensor B on Dual-Zone Models Hi/Low Temp LowerViking Wine Cellar Message "Hi/Low Temp Lower": Lower Zone Outside Its Range Hi/Low Temp UpperViking Wine Cellar Message "Hi/Low Temp Upper": The Upper Zone Strays From Its Range Power FailureViking Wine Cellar Message "Power Failure": Flashing Amber Alert P1Viking Undercounter Wine Cellar Code P1: thermostat probe failure Power FailureViking Fully Integrated Wine Cellar Message "Power Failure": extended power interruption Upper too coldViking Fully Integrated Wine Cellar Message "Upper too cold": upper zone below its setting

E3E3 questions

Does E3 always mean the upper zone?

Only on dual-zone cellars. On single-zone cellars, E3 refers to the evaporator sensor B. Tell us your model number when you call so we bring the right part for your cellar.

Is the lower zone affected?

The lower zone uses its own sensor B and reports E4 on dual-zone models. Both codes can show up together, which tells us the control may be involved, not only a single sensor.

What will the visit include?

We test the sensor, replace it if needed and confirm both zones hold their set temperature afterward. The price is written first, with a 30-day workmanship warranty.