Philips Senseo HD7833/50 User manual

Published by Philips Consumer Lifestyle Printed in the Netherlands © Copyright reserved Subject to modification
ServiceManual
Philips Consumer Lifestyle
Coee maker Senseo “Viva Café”
HD7833/50
HD7833/51
16/05
Interconnect
PCB
Pump
M
Control
PCB
L
N
Push buttons
Water level
sensor
Temp.
sensor
Boiler
TCO
Fuse
Fuse
Strength
Select
button
y
z
w
Product information
•This product meets the requirements regarding
interference suppression on radio and TV.
•After the product has been repaired, it should function
properly and has to meet the safety standards as
officially laid down at this moment.
Technical information
•Voltage :  V
•Frequency :  Hz
•Power consumption :  W
•Standby power consumption : < , W
•Contents water reservoir :  cc
•Colour setting : Beluga / Deep black

HD7833/50 /51
2-8
Disassembly- and Reassembly advice
Before you start dismantling!
For your safety be sure the plug is disconnected
from the mains!
The product is designed for easy access to the internal
components.
Make sure that all accessories like tank, podholder, drip
tray, spout and collector have been removed.
To remove the back cover, follow below steps:
•Remove the two Torx screws (T) A(see exploded
view).
•Remove the valve outlet.
•Start at the upper side of the back cover, using a flat
head screwdriver to unhook the top of the back cover
and gently pull the back cover from the appliance so
that a little chink between back cover and brew chamber
becomes visible.
•Again use the screwdriver to unhook the two “snap
locks” at each side of the back cover, and gently move
the screwdriver in the direction of the opposite side of
the appliance, in such a way that the lips of the snap
locks are bent outwards and unhook.
•If all snap locks are unhooked, it is possible to remove
the back cover. Gently pull the back cover upwards
to release the bottom part of the back cover from
the housing. Please note that the back cover is still
connected to the pump.
•For reassembly follow these steps backwards.
To remove the brew chamber lid cover, follow below
steps:
•Place a large screwdriver on
the positions (see picture )
and lift the cover over the
snap locks on both positions,
use appropriate force.
•The cover lid can now be
lifted up, but stays attached
to the brew head by the push
rod, to remove the complete
cover including lever and
push rod squeeze both legs
of the push rod strongly
together (see picture ), so
that the two pins will unhook
out of the hinge position on
the brew chamber.
•To remove lever from lid cover, take a screwdriver and
bend carefully the two lips/ribs in the lid cover outwards
and push the lever with force out of the hinge.
•To reassemble, follow steps backwards, without using a
screwdriver.
!
picture 
picture 
To remove the brew chamber head assy, follow below
steps:
•Remove the back cover.
•Place the appliance in front of you in such a way that you
are facing the rear side of the appliance.
•First remove the boiler from the snap lock position of the
brew chamber.
•To remove the brew chamber,
use your both thumbs
(see picture ) and push
strongly with a little
distortion (rotation) until the
brew chamber comes loose
(upwards).
•Reassemble follow above steps backwards.
To reach the components placed inside the base (for
example exchange the NTC temperature sensor) follow
below steps:
•First remove back cover, threeway valve and boiler.
•The brew chamber can be removed by unhooking the
two snap locks behind the boiler, pull the brew chamber
upwards to remove it from the housing.
•Remove both Torx T screws B(see exploded view).
•Unhook the two snap locks on the back side of the base
with a screwdriver (see base), the housing can now be
removed.
•To remove the rest of the housing unlock the last  snap
locks on the base and gently pull of the front cover.
•To reassemble follow above steps backwards.
OPTIONAL (accessories)
•No specific issues
picture 

HD7833/50 /51
3-8
Note:
Please note after replacing the boiler the appliance has to
be restored to factory default. The lling procedure (cold
ush), known from the predecessor Senseo’s is no longer
available after the ush before rst use has been executed.
When the “restore to factory default” procedure is not
carried out, a new and empty boiler can be switched on,
without having the protection of the initial ush procedure,
causing the thermal fuses in the heating element to fail.
After a boiler replacement or drained system, carry
out the “Restore boiler_empty_ag to factory
default” procedure! Then the initial ush procedure
can be carried out.
Descaling
Descaling is an important element in Senseo maintenance.
It should be done at least once every  months, up to 
times a Year! This will prolong the life of your appliance
and will guarantee optimal brewing results for a long time.
Use the correct descaling agent. Only citric acidbased
descalers are suitable for descaling the SENSEO® machine.
This type of descaler descales the appliance without
damaging it. For the correct amount, see under ‘Descaling
procedure’ below.
Each descaling mixture can be used only once. After use,
the descaling mixture is no longer active. We advise you to
use the special SENSEO® Descaler (HD).
Read the instructions on the package of the descaling
agent. Never use a descaling agent based on mineral acids
such as sulphuric acid, hydrochloric acid, sulphamic acid
and acetic acid (e.g. vinegar). These descaling agents may
damage your SENSEO® coee machine.
Follow the steps in the section headed “Descale the
appliance” see DFU (Direction for Use manual).
!
Volume adjustment
The PCB circuit board makes it possible to adjust the
volume output by means of pushing the onecup and
twocup user controls.
How to adjust the volume output:
. Make sure the boiler is lled properly, otherwise
perform ll procedure see DFU for instructions.
. Switch appliance on and wait until the unit is ready to
brew.
. Make sure a pod holder is placed, but without a
Coee POD. (Only adjusting with plain water)
. Place a cup on the drip tray cover and push the one
cup button.
. When the appliance has nished it is stabilized to
perform the volume adjustment.
. Empty the cup, podholder and push again for one cup
setting, measure the volume output with a graduated
beaker. In the table you can nd the requirements for
the minimum / maximum volume output cc/mL values
depending from the country version:
Onecup setting, Including Pod holder, water spec.
(Without Coee pod)
Min. water cc/mL Max. water cc/mL
Small cup ( ml)  
Normal cup ( ml)  
. Unplug the appliance from the mains.
. Press the  and  cup button simultaneously and
plug the mains on.
. When above step succeeded the LED will turn on
continuously.
. Depending if the volume has to de or increase you
have to push the one or two cup button.
Every time you push the  or  cup button the LED
will turn o for . second (feedback to user) and the
pump time will be shortened or lengthened for .
seconds depending which button was pushed.
Pushing 1 cup button pump, time will be shorten with
. sec is approximately - 3.5 cc/mL (less coee)
Pushing 2 cup button pump, time will be lengthen
with . sec is approximately  . cc/mL more
coee)
When the volume has to increase with  cc for
example, push the 2 cup button  times. The new
value will be stored when you switch the appliance o
by pushing the main switch. (LED will turn o).
. Turn appliance on again and brew one cup, measure
the volume. In case the volume is not within
specication repeat steps   .
. End.
Repair instruction

HD7833/50 /51
4-8
Repair instruction
Filling procedure:
Please note, the software of the Senseo Viva Café has
changed, compared to predecessor Senseo’s! The lling
procedure known from predecessor Senseo’s is no longer
available.
The command originally used to initiate the lling
procedure (cold ush: pushing both the cup and cup
buttons simultaneously) will now start the decalcication
process.
To perform a cold ush of the appliance, it has to be
reset to factory default. See topic “Restoring the Boiler_
empty_ag to factory default” below.
As a backup, when the appliance is in factory default
setting, the cold ush will also be initiated when the
user presses either the cup or the cup button. This
functionality is only available after restoring the Boiler_
empty_ag to factory default.
Restoring the Boiler_empty_ag to factory default
Under some circumstances it might be necessary that the
boiler of the Senseo is emptied.
This, for instance, during wintertime were the possibility
exists that the boiler becomes frozen during transport.
For those occasions it is useful to restore the Boiler_
empty_ag to production default.
Bringing the Senseo back into production status, has
the benet that the ush routine will be activated
automatically when installed by the consumer, see topic
Automatic lling procedure.
To SET the Boiler_empty_ag:
Keep the 1-cup button pressed while plugging in the
power cord of the appliance.
The main switch LED will blink very rapidly for
approximately  second.
To check if the Boiler_empty_ag is really set, you should
reconnect the power cord a second time to the net and
push the main switch.
The main switch LED should light continuously.

HD7833/50 /51
5-8
Parts list
Pos Service code Description Remark
    Pad holder assy cup Deep black
    Pad holder assy cup Deep black
    Collector
    Spout cover Metal
    Spout assy Black
    Drip tray cover Camera black
    Drip tray Black
    Water container assy Sepia grey
    Pushrod
    Slider spring
    Brew chamber assy Beluga
    Brew chamber seal
    Ejector pin
    Distribution disk
15* 4222 247 75331 Distribution disk, shower
    PCB assy
16* 4222 259 64891 PCB assy Strength select 230 V
    Foot
    way valve
    Boiler assy V.   V
    Pressure hose
    Oring (NTC)
    NTC assy
    Pump  V /  Hz
    Valve outlet Deep black
    Back cover assy Deep black
    Corrugated tube
    Housing Beluga
    Front cover printed Deep black
    Base plate Beluga
    Base frame Deep black
    Sensor housing
    Calc clean light guide
40 9965 100 73766 Double sided tape
    Tywrap
* Applied production wk1607 onwards.
 changed

HD7833/50 /51
6-8
1
2
8
4
6
3
7
5
Exploded view

HD7833/50 /51
7-8
a
10
15
13
14
11
12
Exploded view

HD7833/50 /51
8-8
A
2x
B
2x
a
b
b
y
y
z
z
w
w
19
20
21
22
23
29
24
26
25
16
33
18
16
16
28
17
30
27
34
Exploded view