NEFF U1644N0GB Safety guide

How to connect up,
build-in, set up, use and
look after your
U1644 oven
NEFF (UK) Ltd

2
Table of contents
Important Information . . . . . . . . . . 4
Packaging and old appliances . . . . . 4
Before installation . . . . . . . . . . . . . . 5
Safety information . . . . . . . . . . . . . . 5
Reasons for damage . . . . . . . . . . . . 7
Your new cooker . . . . . . . . . . . . . . 8
The control panel . . . . . . . . . . . . . . . 8
Oven operating modes . . . . . . . . . . 8
Press-down switches . . . . . . . . . . . 9
Shelf positions . . . . . . . . . . . . . . . . . 9
NeffLight – main oven . . . . . . . . . . . 10
Accessories . . . . . . . . . . . . . . . . . . 11
Before using your Appliance
for the first time . . . . . . . . . . . . . . . 12
Language for the text display . . . . . 12
Preliminary cleaning . . . . . . . . . . . . . 13
Initial burn-in . . . . . . . . . . . . . . . . . . 13
Subsequent cleaning . . . . . . . . . . . . 13
Time of day . . . . . . . . . . . . . . . . . . . 13
Electronic clock . . . . . . . . . . . . . . . 14
The control panel . . . . . . . . . . . . . . . 14
Clock functions . . . . . . . . . . . . . . . . 14
Time of day . . . . . . . . . . . . . . . . . . . 15
Minute timer . . . . . . . . . . . . . . . . . . 15
Inhaltsverzeichnis
Automatic timer . . . . . . . . . . . . . . . . 16
Special functions . . . . . . . . . . . . . . . 17
Oven operating modes . . . . . . . . . 18
Hot air functions . . . . . . . . . . . . . . . 18
Conventional functions . . . . . . . . . . 19
Grill functions . . . . . . . . . . . . . . . . . . 20
Special functions . . . . . . . . . . . . . . . 21
Operating the oven . . . . . . . . . . . . 22
Switching the oven ON . . . . . . . . . . 22
Rapid heat up . . . . . . . . . . . . . . . . . 23
Current oven temperature . . . . . . . . 23
Switching the oven OFF . . . . . . . . . 23
Safety features . . . . . . . . . . . . . . . 25
Lock . . . . . . . . . . . . . . . . . . . . . . . . 25
Permanent lock . . . . . . . . . . . . . . . 26
Automatic safety off function . . . . . 26
Baking . . . . . . . . . . . . . . . . . . . . . . 27
Cooking Tips and Helpful Hints . . . 28
Roasting . . . . . . . . . . . . . . . . . . . . 29
Grilling . . . . . . . . . . . . . . . . . . . . . . 31
Circo-roasting . . . . . . . . . . . . . . . . . 32
Surface grilling . . . . . . . . . . . . . . . . 32

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Table of contents
Defrosting and Cooking . . . . . . . . 33
Defrosting with Circotherm . . . . . . . 33
Defrost setting . . . . . . . . . . . . . . . . . 35
Steam cooking – main oven . . . . . 36
Dough proving – main oven . . . . . 37
Cleaning and Care . . . . . . . . . . . . . 39
Important cleaning basics . . . . . . . . 39
Catalytic oven surfaces . . . . . . . . . . 41
Oven Cleaning . . . . . . . . . . . . . . . . . 42
Removing/installing
the oven door . . . . . . . . . . . . . . . . . 43
Inhaltsverzeichnis
Shelf support / Telescopic pull-outs . 44
Service and Repair information . . 45
Trouble-shooting Guide . . . . . . . . . 47
Assembly Instructions
For the installer and
kitchen expert!
Important installation notes . . . . . . . 50
Installation of the built-in oven . . . . . 51

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Important information
Before using your new appliance, please read these
Instructions for Use carefully. They contain important
information concerning your Personal safety as well
as on use and care of the appliance.
The Instructions for Use apply to several versions of
this appliance. Accordingly, you may find
descriptions of individual features that do not apply
to your specific appliance.
Please keep the operating and installation
instructions in a safe place; this important
documentation may also be of use to a possible
subsequent owner.
Packaging and Your new appliance was protected by suitable
old appliances packaging while it was on its way to you. All materials
used for this purpose are environmentally friendly and
can be recycled. Please make a contribution to
protecting the environment by disposing of the
packaging appropriately.
Old appliances are not worthless rubbish.
Environmentally-conscious recycling can reclaim
valuable raw materials.
Before disposing of your old appliance, please make
sure that it is unusable, or label it with a sticker
stating „Caution, scrap”.
This appliance is labelled in accordance with
European Directive 2002/96/EG concerning used
electrical and electronic appliances (waste electrical
and electronic equipment – WEEE). The guideline
determines the framework for the return and
recycling of used appliances as applicable
throughout the EU.
Up-to-date information on how to dispose of your
old appliance and the packaging from the new one
can be obtained from your retailer or local authority.

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Before installation
Transport damage Check the appliance after unpacking it. Do not
connect the appliance if it has been damaged in
transport.
Electrical connection The cooker may only be connected by an approved
specialist. Losses resulting from damage caused by
incorrect connection will invalidate warranty claimes.
Safety information Before using your appliance, ensure that it has been
installed properly.
This appliance is intended for domestic use only.
Only use the cooker for food preparation.
The appliance is not intended for use by young
children or infirm persons without supervision.
Young children should be supervised to ensure that
they do not play with the appliance.
Hot oven Open the oven door carefully. Hot steam may escape.
Never touch the internal surfaces of the oven or the
heating elements. There is a risk of burning.
Children must be kept at a safe distance from the
appliance.
Never leave the appliance unattended when
cooking with fat or oil. They can catch fire if
overheated.
Never store combustible items in the oven.
Risk of fire. Never place flammable objects onto the
hot plates. Fire hazard!
Never place cables of electronic devices onto the hot
plates.
Never clamp leads of electrical appliances in the hot
oven door. The insulation on the leads could melt.
There is a risk of short-circuiting.

6
Remove all packaging remnants, e.g. polystyrene
parts, from the oven.
Caution: The extension rails heat up during oven
operation. Use special care to avoid burns when
extending the rails.
Use only heat-resistant utensils for roasting or grilling.
Repairs Incorrectly done repairs are dangerous. There is a
risk of electrocution.
Repairs may only be carried out by after-sales
service technicians who have been fully trained by
BSH.
If there is a fault, switch off the oven fuse at the fuse
box.
Call the after-sales service.

7
Reasons for
damage
Baking tray, aluminium foil Do not place the baking tray on the oven floor.
or dishes on the oven floor Do not cover it with aluminium foil.
Do not place dishes on the oven floor.
This will cause heat accumulation. The baking and
roasting times will no longer be correct and the
enamel will be damaged.
Slide-in accessories To avoid damage, insert slide-in accessories
carefully.
Baking paper If using hot air functions *, do not place
greaseproof paper loosely in the oven (e.g. when
heating the oven).
The hot-air fan could draw in the paper which may
damage the heater and fan.
Water in the oven Never pour water directly into a hot oven.
This could damage the enamel.
Fruit juice When baking very moist fruit cakes, do not put too
much on the baking sheet. Fruit juice dripping from
the baking sheet leaves stains that cannot be
removed.
It is recommended that you use the deeper universal
pan.
Cooling with the oven door Only leave the oven to cool with the door closed. Do
not allow anything to become trapped in the oven
door. Even if you only leave the oven door open
slightly, the fronts of adjacent units may become
damaged over time.
Very dirty oven seal If the oven seal is very dirty, the oven door will no
longer close properly when the oven is in use.
The fronts of adjacent units could be damaged.
Keep the oven seal clean.
Using the oven door as a Do not stand or sit on the oven door.
seat
Care and cleaning Do not use high-pressure cleaners or steam jets.

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Main oven function Mini oven functionElectronic timer controls
Your new cooker
Here you will learn more about your new oven. The
control panel and its switches and indicators are
explained here. The heating modes and the
accessories included with your oven will be
explained here.
The control panel
Oven operating modes
*Hot air functions
Circotherm
Defrost
Circotherm intensive
Bread baking
) Grill functions
Large area grill
Small area grill
Circo-roasting
Oven functions
/
Conventional functions
Top/bottom heat
Bottom heat
( Special functions
Steam cooking,
for system steam cooker
(option available from specialist dealers)
Dough proving
Oven cleaning
Light
Note
The oven light switches on for every oven function.
Rapid heating scan be selected for circotherm or bread baking.
Function selector with
setting for prefered
temperature
Function selector with
setting for prefered
temperature
Rapid heating for Circotherm mode
and Bread baking setting
Rapid heating for Circotherm mode
and Bread baking setting
Temperature selector
with oven temperature
display

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Press-down To engage and disengage, depress the switch,
switches making sure that it is in OFF position.
Shelf position
Mini oven Your oven features 2 shelf positions.
The shelf positions are counted from bottom to
top.
The numbers are marked in the oven.
Main oven Your oven features 4 shelf position. The shelf
position are counted from bottom to top.
The numbers are marked in the oven.
When using hot air functions *, do not use shelf
position »2«, in order not to block air circulation.
The shelf supports and telescopic rails can be
inserted at your preferred shelf position.
The simple plug-in system provides you with flexible
and quick handling when changing the shelf
supports and telescopic rails.
2
1

10
NeffLight The oven features the additional lighting
– main oven ”NeffLight”:
Turn the function selector to the position oven light;
NeffLight will be activated.
Advantages:
–Great illumination on all levels.
–Illumination of the food from the front.
–Your eyes will not be blinded by lamps when
looking into the oven.
Door contact switch NeffLight is activated/deactivated automatically
when the oven door is opened/closed.
Saving energy
In order to save energy, you can deactivate
NeffLight. Turn the door contact switch to the
right. If you keep turning it to the right you re-activate
NeffLight.