| E5123 | Cooling fan fault Info: The cooling fan, which cools the oven electronics, is not running or is blocked. | Oven | |
| E6101 | Door switch / lock error Info: The control unit is not receiving the correct signal from the door switch or lock mechanism. | Washing Machine | |
| E9000 | Internal electronic error Info: Voltage or configuration error on the control board. | Dishwasher | |
| F0 | Internal electronics fault Info: A component on the main power board or control module has failed. | Hob | |
| F2 | Electronics have overheated Info: The internal electronics have become too hot, often due to a blocked cooling fan or prolonged high-power usage in a confined space. | Hob | |
| F04 | Probe error or short circuit Info: The meat probe is not inserted correctly, is faulty, or has a short circuit. | Oven | |
| F4 | Cookware has overheated and been removed Info: The cookware was removed from the zone while it was extremely hot (e.g., boiling oil dry). The hob is protecting itself. | Hob | |
| F8 | Cooking zone operated for too long Info: The automatic safety switch-off has been triggered because a cooking zone has been on continuously for an extended period. | Hob | |
| F16 | Door is not closed properly Info: The door latch is not fully engaged, or laundry is caught in the door. | Washing Machine | |
| F21 | Motor or control module fault Info: There is a communication error with the motor, or the motor's carbon brushes are worn out. | Washing Machine | |
| F43 | Motor fault, drum is blocked Info: The motor is unable to turn the drum, possibly due to a physical blockage or a seized motor/bearing. | Washing Machine | |
| U400 | Incorrect power supply connection Info: The hob has been incorrectly wired to the power supply (e.g., wrong voltage, missing phase). | Hob | |
