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17
Check the voltage
Clean strainer insert (see
page 12)
Dismantle and clean the
bubblers and showers
heads
Inspection and repair only
by the trained engineer
Inspection and repair only
by the trained engineer
Inspection and repair only
by the trained engineer
CauseFault Remedy
- Appliance is not live
- Strainer insert is
clogged
- Soiling or scaling of
bubblers and shower
heads
- Defective heating
system
- Inadmissibly high cold
water inlet tempera-
ture (over 25 °C)
- Inadmissibly high
outlet temperature
(over 70 °C)
- System fault (see
table on page 18)
- Heating system does
not switch on
- Hot water flowrate too
low
- Safety temperature and
pressure limiter has
tripped
- Active fault indicator
(LED)
Appliance should not be
operated with preheated
water.
Fault-finding (important instructions for the trained engineer)
In the event of any fault, a check should first be made to ascertain
whether the fuse and line protection switch have tripped.