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EN
34
Problem
Potential cause
Solution
Section
The selected
water
temperature is
not correct.
Cold and hot water
supply line have
been mixed up.
> Switch the
connections.
Cold or hot
water angle valve
is closed or only
half open.
> Open both angle
valves fully.
Cold and hot water
supply line are
blocked or kinked.
> Flush and clean
the pipes.
Temperature limit
is set incorrectly.
> Reset the
temperature
limit.
> Perform the
“Factory
settings”
function.
5.6
6.2
Pressure
difference between
the cold and hot
water supply line
is too large.
> Check the water
pressure.
Pressure
difference of max.
1 bar is permitted.
1
Control unit is
damp or wet on
the inside.
Improper
installation
situation.
> See the label on
the cover or the
mounting
instructions.
Pipe connections
on the valves are
not sealed
properly.
> Contact your
plumber.