Braun KF 90 Series User manual

BRAUN Coffee Maker KF 90xx / 91xx

Contents
Introduction
Technical Data
Key Features
Clock Setting
Water Hardness Level
Altitude Setting
Stength Setting
Service Mode
Materials
Wiring Diagram
Hydraulic Diagram
Troubleshooting

This document is aimed to provide useful technical informations about BRAUN appliances to authorized
engineers. Is always required to operators, to follow these preliminary steps before proceed any other
operation:
1. Switch OFF the Coffee Maker before working! Caution! CM could be hot!
2. Write the finished product code in http://dls.delonghigroup.com/ (DLS site);
Verify the nameplate, check the serial number to deduce the age of the appliance;
3. Now you can access to user manual and (if present) service manual and technical bulletins (is always
suggested to check all these documents);
4. The described Coffee Maker are from BRAUN and contains KF90xx and 91xx.
5. If a problem is found, check if any technical bulletin has been raised in DLS discussing about the same
problem, otherwise check the troubleshooting included in this document
Introduction

Technical data
KF
90xx (Glass)
Power
1.750
W
Auto
shut off
40
min
Product
dimensions (LxWxH)
33 x 18 x 38
cm
Product
weight
4,5
kg
KF
91xx (Glass)
Power
1.750
W
Auto
shut off
40
min
Product
dimensions (LxWxH)
33 x 18 x 38
cm
Product
weight
4,5
kg

Key Features KF 90xx
Certified by ECBC –
the European Coffee
Brewing Center
The “Seal of Approval” stands for
exemplary
performance and outstanding coffee
quality.
BrewChoice Plus system
provides great tasting coffee in
any size selected including over
ice coffee.
Programmable 24-hour timer
can be programmed to
automatically make your coffee
right when you want it..
MultiServe Dial
includes 7 brewing sizes from
single cup to full carafe.
Cup Shelf
Maximum convenience, even
for a single cup.
Anti-drip brew pause
system
lets you pause and pour
mid-brew with virtually no
mess.
Freshness Indicator
provides a visible
display that tracks
your brewed coffee
freshness.
.
Premium Touch Display
allows intuitive and
convenient operation.
ExactBrew
Precise water flow to provide
you with the exact amount of
coffee you want, every time.

Key Features KF 91xx
Certified by ECBC –
the European Coffee
Brewing Center
The “Seal of Approval” stands for
exemplary
performance and outstanding coffee
quality.
BrewChoice Plus system
provides great tasting coffee in
any size selected including over
ice coffee.
Programmable 24-hour timer
can be programmed to
automatically make your coffee
right when you want it..
MultiServe Dial
includes 7 brewing sizes from
single cup to full carafe.
Cup Shelf
Maximum convenience, even
for a single cup.
Anti-drip brew pause
system
lets you pause and pour
mid-brew with virtually no
mess.
Freshness Indicator
provides a visible
display that tracks
your brewed coffee
freshness.
.
Premium Touch Display
allows intuitive and
convenient operation.
ExactBrew
Precise water flow to provide
you with the exact amount of
coffee you want, every time.

Clock Setting
When the coffee maker is plugged in the first
time, or when the power is restored after an
interruption, the display starts flashing 2:00
AM and you hear an acoustic signal.

Clock Setting
1. Switch on => press and hold CLOCK
for 2 seconds.
2. Press and hold SET to scroll through
the hours. Release it once the desired
hour is displayed.
3. To set the minutes, press CLOCK.
The minutes start flashing.
4. Press and hold SET to scroll through
the minutes. Release it once the
desired minutes are displayed.
5. Press CLOCK again to save the desired
time.

Water Hardness Level
Set the water hardness level on the coffee
maker to the water hardness level for
your local area.
1. Switch on the appliance and press
and hold Calc for 2 seconds.
2. The default setting (h3) is flashing.
3. Press SET to scroll through the
options (h1 = soft, h2 = normal, h3 = hard)
and select the appropriate water hardness
level.
4. Press Calc to save the hardness
level.

Water Hardness Level
The flowmeter counts basically the brewed
liter. The settings are:
After brewing the declared liter, the Clean
button will glow.
Setting Liters Calciumcarbonat [mmol/l]
H1 200 less than 1,5
H2 100 1,5 till 2,5
H3 65 more than 2,5

Altitude Setting
To ensure your coffee maker works
properly at higher altitudes, enable the
altitude setting. This setting avoids that
the coffee maker develops steam rather
than boiling at the standard boiling
Temperature (100°C/212°F) = Parameter A1.
1. Switch on the appliance. Press and
hold SET (yellow sing) for 2 seconds.
2. The default setting (A 1) is flashing.
3. Press SET to scroll through the following
options:

Altitude Setting
3. Press SET to scroll through the following
options:
m
ft
m
ft
m
ft
m
ft
m
ft
For better understanding:
City
Altitude (meter)
Setting
Germany
- Berlin
34
A1
France
- Gavarnie
1.365
A3
Peru
- Lamay
2.940
A5
Norway
- Rauland
737
A2
4. Press and hold SET for 2 seconds to
save the desired altitude.

Strength Setting
The differece for the three buttons are the
Brewing temperature-target and the
pump speed.
If the temperature and the pump-speed will
change, the coffee flavor extraction is
different too.
During the brewing, the heatplate
temperature is around 80°C. While during
keep warm, the temperature is 110°C.

Strength Setting
The Over Ice function is a feature for a coffee
brew with Ice Cubes in the carafe.
During the Over-Ice selection,
the Heat-Plate shutted off
Each size could be used.
For Full Carafe, only a Half Carafe will be
filled, due to Overfilling-Risk because of the
Ice Cube volume.

Service Mode
To switch in to the service mode:
Lever to Drip Stop
Selector Full Carafe
Press Timer + Strong button for 3 sec
Use the Set button to switch
LED indication help to understand which value is showen.

Service Mode
Data
Display Show
LED on
Number
of total cycles
Hexadecimal
value
«Over
Ice»
Consumed
water quantity
Hexadecimal
liter
«
Mild»
Water
Hardness Setting
H1
or H2 or H3
«Gold»
Descaling
cycles perfomed
Hexadecimal
value
«Strong»
Cycles
from the last descaling
Hexadecimal
value
«Strong
+ Calc»
Total
working time
Hexadecimal
value hours
«
Clalc»
Firmware
version
Decimal
value [X XX]
«
all LED off … ecxept ON»
Error
counting
Show with a 2
second loop the last 10 errors:
E01…E02…E06…E13…
etc
«Timer»

Materials
Material
fron the main foodcontaced parts
Outlet
PP
Waterfilter Mesh
Showerhead
Carafe Cover / Lid
Spoon
Housing
Water Tank SAN
Tubes Silicone
Heater SGCC

Wiring Diagram
KF 9172

Wiring Diagram
KF 9070

Hydraulic Diagram