Dishwasher repairs

R repairing our dishwasher. it packed up about 4 months ago. E19 error code and 2 months after the warranty ran out. it's a Bosch. Quoted over £200 to repair, so R looked online and did loads of trawling YouTube videos. He is now confident he can repair it and has today taken the machine apart, located the part that needs replacing and we've ordered said part. £16.90 + £3.50 delivery. So far this year, the tumble dryer, washing machine, oven and dishwasher have all broken down this year. R has repaired them all, saving us a fortune and ensuring we stay safe by not having people in the house.