Installation & Assembly

22
Before starting to establish whether there is a fault with the unit, please check the
following:
1. Make sure that the power supply is working.
1.1 Is there a power failure?
1.2 Has the FI circuit breaker tripped?
2. Make sure the water supply is working.
2.1 Is the water supply disconnected?
Problem Potential cause Solution
Indicator lamps and alarm function
The buzzer emits
a constant ticking
sound.
The water supply to
the unit is faulty or
disconnected.
> Disconnect the mains
supply and make sure the
water supply is in order.
Then re-establish the mains
connection.
The status display
D
on the unit flashes
red, green or orange.
Malfunction.
> Remove the connection to the
mains supply and stop using
the unit. Contact your local
authorised customer service
in order to service the unit.