Hi Guys just thought i would shre this with you.
Bosch, Neff & Siemens Ovens Fault Codes
Er1 = Temperature Sensor failure
Er2 = Faulty mains connection
Er4 = Temperature sensor failure
Er6 = Door lock defective
Er7 = Release mechanism of door lock defective
If you require any help and assistance we have engineers in the following areas Chesterfield, Sheffield, Nottingham