Maintenance / Defrosting - DeDietrich DRS 914 JE Bedienungsanleitung

Maintenance
Unplug the appliance before carry-
ing out any maintenance opera-
tion.
Warning
This appliance contains hydrocarbons in its
cooling unit maintenance and recharging
must therefore only be carried out by autho-
rised technicians.
Defrosting
Bleeding part of the moisture of cooling
chamber in form of frost and ice goes with
the operation of the refrigerator.
Thick frost and ice has an insulating effect,
so it reduces cooling efficiency as the tem-
perature increases, it needs more energy, at
a certain thickness it does not allow the door
of the frozen food compartment to open,
possibly the door can be broken.
At this type of appliance defrosting fresh
food compartment is automatic without any
external intervention.
The thermostatic control interrupts the opera-
tion of compressor at regular intervals for
more or less time - during this cooling is
interrupted - temperature of the fresh food
compartment increases and defrosting
occurs. After defrosting the thermostatic
control restarts operation of the system.
Melting water flows through defrost water
outlet into the evaporative tray maintained on
the top of compressor and evaporates due to
warmth of it.
Check and clean the outlet of
melting water coming during
defrosting regularly. If it is
clogged the melting water gath-
ered can cause earlier failure as it
can go to the insulating of the
appliance.
Clean the melting water outlet with the sup-
plied pipe scraper that can be seen in the fig-
ure. The pipe scraper has to be stored in the
outlet.
Occasionally check defrost water outlet not to
be clogged up.
The most typical case of clogging up in the
defrost water outlet when you put food
wrapped in some paper into the appliance
and this paper contacts back plate of fresh
food compartment and freezes to it. If you
remove the food right at this moment the
paper will tear and it can cause clogging up
in the outlet by getting into it. So you are
asked to be careful - because of the above -
when placing foods wrapped in paper into the
appliance.
In case of increased demand e.g. dur-
ing heatwaves, the refrigerator tem-
porarily happens to operate constant-
ly. During this the automatic defrosting
is ineffective.
Remaining small ice and frost stains on back
plate of the fresh food compartment after
defrosting period is not abnormal.
The frozen food compartment can not be
equipped with automatic defrosting set since
the deep-frozen and frozen foods do not
endure melting temperature.
Provided it is not too thick, the layer of frost
or ice can be scraped off and removed using
a plastic scraper.
When ice coating is so thick that it can not be
removed with the plastic scraper, the frozen
food compartment has to be defrosted (gen-
erally 2-3 times a year).
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