manual storage ut5 2022 12 v.3.
i n d d
18
10
The indicator light does
not
come
on
Check the fuse and
the socket
The appliance has
reached
the
set
temperature.
Water temperature not as
required
Thermostat incorrectly set
Change the setting of the
thermostat
Check if other cold water taps have the
same problem
Shut-off valve not fully open
The unit should be turned
off as
soon as possible! See also "The unit
does
not
work".
Water lies under the unit
Water pipes are not firmly
connected to the appliance
Check the water connections
Tap
drops
when heating up
This is normal because of the
expansion
of the heated water.
Bubbling noises in the tank
The appliance must
be decalcified
by a specialist
.
The residual current circuit
breaker
is tripped
Too many devices in the safety
group
Remove some units from the group
or search for an
empty group
The unit does
not
work at all
If the appliance no longer works, check whether the fuse or the
residual current circuit breaker has tripped. For your safety, the hot
water tank is equipped with a maximum temperature switch. The
appliance switches off automatically if there is
excessive heating. In
this case, switch off the appliance for a few minutes by
unplugging
the
mains plug from the
socket and allow the appliance to cool down. After
approx. 20 minutes, the appliance can be reconnected to the mains
.