Service Manual FB 7100 Functions
January, 2005 5 - 5
5 Functions
5.1 Total Overview - Components of FB 7100
● Refer to Spare Parts List, chapter 10.
5.2 General safety instructions
There is an increased risk of injuries when the
main switch is activated. The white cables carry
230V.
Be careful when the boiler cover has been dis-
mounted. There is an increased risk of being
scalded.
When working on the boiler or pump there is no
protection against unintentionally pulling out a
component and spilling hot water as a result.
Replace cable harnesses only as complete
original spare parts!
Never repair the cable harness of the heating
system. There is a risk of a fire!
For safety reasons the heating element and the
cable harness of the heating system may only
be replaced completely and together with the
assembly group boiler or spare part boiler
cover.
When disconnecting electrical connections
hold the components to avoid draining the
boiler. There is a risk of being scalded!
DANGER: The work described in this
chapter must only be carried
out by trained service techni
-
cians.
DANGER: Safety devices must not be
changed or bridged.
DANGER Before starting the work, dis-
connect the dispenser from
the electrical mains supply and
close the water tap.
DANGER When carrying out disassem-
blies at the boiler, there is the
danger of being scalded by hot
water (see chap. “Disassem
-
bly of the boiler”).
DANGER After the repair work ensure
that the waste bucket, its sen-
sor, and the overflow hose are
mounted correctly.
DANGER When carrying out any kind of
work, ensure that the earth
connectors are mounted cor
-
rectly in order to guarantee
faultfree ground connection.
DANGER All metal parts must be con-
nected with metal screws.
Beneath the screw head there
must be a lock washer. Fasten
the screws tightly (ground con
-
nection).
WARNING The manufacturer cannot be
held liable or responsible
when other than original spare
parts are used for repair work.
WARNING Cable harnesses must not be
repaired, but must be replaced
completely.
CAUTION In any case, observe the safety
instruction of each chapter.
CAUTION When the work has been
finished, always carry out a
functional test.
CAUTION Make sure that all earthed con-
ductor connections are con-
nected and fastened tightly.
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