Frequently Asked Questions
61
Water drainage fault
Problem Possible cause and solution
The Optical Interface is
flashing quickly.
The buzzer is sounding.
The Intake/Drain indica‐
tor light is flashing and
fault code has ap‐
peared in the display.
Before fixing the fault:
Turn the dishwasher off with the button.
There is a problem with the water intake.
There might be water in the wash cabinet.
Clean the filter system (see "Cleaning and care -
Filter system").
Clean the drain pump (see "Frequently asked
questions").
Clean the non-return valve (see "Frequently asked
questions").
Remove any kink or loop in the drain hose.
