E305

Control Board Over-Temperature

Description

The electronic control board has overheated.

Appliance Error Codes Details

Error Code
E305
Error Name
Control Board Over-Temperature
Appliance Type
oven
Brand
Thermador
Severity
high

Additional Troubleshooting

1. Ensure proper ventilation around the oven.
2. Check if the cooling fan is operating.
3. Allow the oven to cool down completely.
4. Contact an authorized Thermador service technician.

Was this helpful?

Loading...

Send Feedback

Found an error or have a suggestion? We respond within 48 hours.

About this page

Author: Pavel Volkov
Created:

Learn More

Dive deeper with our comprehensive developer guides for Appliance Error Codes

Appliance Error Codes: Troubleshooting Guide

Fix your home appliances with our comprehensive troubleshooting guide. Learn to identify error codes...

Pavel Volkov Aug 30, 2025
View all guides

Related Codes

More codes of the same type

E006

Control Board Error

The main control board is malfunctioning.

View details →

E007

Steam System Error

The steam system is not functioning properly.

View details →

E101

Keypad Communication Error

Communication between the keypad and the control board has been lost.

View details →

E104

Meat Probe Error

The meat probe is shorted or not detected.

View details →

01

Self-Clean Door Lock Fault

The oven did not sense the door lock or unlock switches within 60 seconds while...

View details →

02

Oven Over-Temperature Shutdown

The oven exceeded its safety limit (about 630F with the door unlocked or 950F lo...

View details →

03

Oven Sensor Open Circuit

The control board cannot read a valid resistance from the RTD oven temperature s...

View details →

10 3 00

Condenser Thermistor Open

The condenser thermistor circuit is open, preventing the control board from moni...

View details →
Back to Appliance Error Codes