Wolf CSO Steam Oven Code E37 / F14: control sensor circuit is open

What E37 / F14 means

Wolf CSO convection steam ovens such as the CSO24 and CSO30 series show E37 with F14 for a control issue and an open circuit in the control unit temperature sensor. The oven cannot read the temperature of its own control electronics, so it stops and displays the pair rather than risk running without a reading.

Common causes of E37 / F14

Control unit issue
Open circuit in the control unit temperature sensor

✓ One safe check you can try

1. Turn the oven off and let it rest for ten minutes. 2. Reset the breaker for one minute and restore power. 3. If the display returns to normal, run a short test cycle. 4. If E37 / F14 reappears, stop and schedule service.

! Why to stop there

Sensor and control board checks need meters and access to the electronics.
An open sensor circuit can be a wire or the sensor itself.
We give a written quote before work and stand behind it for 30 days.

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 Steam Oven codes

U1Wolf CSO Steam Oven Code U1: L2 supply problem U2Wolf CSO Steam Oven Code U2: mains undervoltage Boiler scaled upWolf Convection Steam Oven Message Boiler scaled up: Descale required E26Wolf Convection Steam Oven Code E26: Climate sensor problem E87Wolf 24-Inch E Series Code E87: Exhaust slide valve jammed or shorted E42Wolf Convection Steam Oven Code E42: Water temperature sensor error E26Wolf 24-inch E Series Code E26: Break or loose contact in climate sensor, or blocked duct E87Wolf Convection Steam Oven Code E87: Exhaust slide valve stuck

E37 / F14E37 / F14 questions

What separates E37 from E36?

Both pair with F14 and name the control unit. E36 is a control board short, while E37 names an open circuit in the control unit temperature sensor.

Can a reset clear E37 / F14?

It might clear a temporary reading problem. If it returns, the circuit likely has a real open condition.

Is it urgent?

We would stop using the oven until it is checked, since it cannot read its control temperature.