I have a bosch dishwasher (SHU33A06UC/22) that's taking forever to wash, over 4 hours. When it does finally come to and end, dishes are not clean, and there is grime left inside the dishwasher. I ran a test by holding the 'Power Scrub Plus' and 'Rinse & Hold' buttons and then pressing the on/off button. The red leds above 'Power Scrub Plus' and 'Regular Wash' start blinking soon right away. From what I understand, these indicate a heater and water filling faults, respectively. The former wou