Kenco Cimbali M52 Service manual

Cimbali M52
Fully Automatic
Espresso Machine
Cimbali M52
Fully Automatic
Espresso Machine
OPERATOR’S HANDBOOK

Keep this fold out page open while reading the Operator’s
Handbook.
OPERATOR’S HANDBOOK
This handbook contains instructions for the
Cimbali M52 Fully Automatic Espresso Machine.
Please read the handbook before using the machine.

Coffee Hoppers
Display
Display Panel
Selection Panel
Coffee Spout Cover
Milk Tube
Milk Control Valve
Cappuccino System
Drip Tray
Cleaning Tablet
Access Flap
Cup Warmer
Key Sensor
Product LEDs
Product Select
Keys
Coffee Grounds
Door
Machine Layout
Cimbali M52 Fully Automatic External Features
Cimbali M52 Fully Automatic Programming Panel
Hot Water Outlet
Key Sensor
Milk Circuit
Wash Key Coffee Circuit Wash Key Master ON/ OFF Switch

Cimbali M52 Fully Automatic
Technical Details
ELECTRICAL SUPPLY
230V ac 32 Amps single phase, or 3 phase,
Neutral and Earth @ 16 Amps/phase.
RCD protection @ 30mA rating is
recommended.
POWER RATING
The machine will draw up to 7.1kW.
WATER SUPPLY
Themachineshouldbesituatedwithin1metre
of a drinking water supply from a rising main,
terminated at a W.R.C. approved 15mm
compression stoptap.
This water supply should comply with both:
a) Statutory Instrument No. 1147 ‘Water,
England and Wales’.
b) The Water Supply (Water Quality)
Regulations, 1989.
Water pressure at the stoptap must be within
the limits of 1 to 6 bar.
WaterFilter/Conditioner
The machine must be installed with a water
filter/conditioner.
WASTE
The machine requires a 35mm trapped outlet
to mains drainage.
BEAN HOPPER
Max content 2.6 kg.
WEIGHT 87kg.
Note: If the machine is supplied with a cup
warmer or milk cooler, each item will
require a 13A electrical socket (see
cup warmer and/or milk cooler
technical details).
Dimensions:
Width 500 mm
Depth 640 mm
Height 765 mm

OPERATOR’S HANDBOOK
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OPERATOR’S HANDBOOK
Cimbali M52 Fully Automatic Machine Layout Inside Front Cover
Cimbali M52 Fully Automatic Technical Details Inside Front Cover
Milk Cooler Machine Layout 2
Milk Cooler Technical Details 3
Cup Warmer Machine Layout 4
Cup Warmer Technical Details 4
Important Safeguards 5
Setting Up Instructions 6
Dispensing Drinks 13
Daily Cleaning 14
Display Messages 20
Simple Checks Before Calling a Service Technician 22
Health and Safety at Work and Electricity at Work Regulations 1989 23
Mains Electrical Plug 24
Recommended Spares 25
Customer Service 28
Contents
Part No. 800775/1
1

OPERATOR’S HANDBOOK
Machine Layout
“Frigomilk” Milk Cooler External Features
“Fresh Milk” Milk Cooler External Features
Milk Tube Hole (side or front entry)
Temperature Indicator
ON/OFF
Switch
Power ON
Indicator
ON/OFF
Switch
Milk
Tube
Control
Panel Low Temperature
Indicator
OK
Indicator
High
Temperature
Indicator
Reserve
Tank
Indicator
2

OPERATOR’S HANDBOOK
Dimensions
Width 220 mm
Depth 350 mm
Height 320 mm
PowerRequirement
A 13A socket outlet installed in
accordance with the latest edition
of the IEE Wiring Regulations.
Voltage 12Vdc from a transformer
supplied with the cooler
Capacity 3 litre
OperatingTemp 5oC
Weight 4kg
“Frigomilk” Milk Cooler
“Fresh Milk” Milk Cooler
Dimensions
Width 370 mm
Depth 530 mm
Height 600 mm
PowerRequirement
A 13A socket outlet installed in
accordance with the latest edition
of the IEE Wiring Regulations.
Voltage 230V ac
OperatingTemp 5oC
Weight 30kg
Technical Details
3

OPERATOR’S HANDBOOK
4
Cup Basket
Top Shelf
Middle Shelf
Lower Shelf
Temperature
Control
Cup Warmer External Features
ON/OFF Switch
Cup Warmer
Dimensions
Width 370 mm
Depth 530 mm
Height 680 mm
PowerRequirement
A 13A socket outlet installed in
accordance with the latest edition
of the IEE Wiring Regulations.
Voltage 230Vac
Weight 25kg
Machine Layout
Technical Details

OPERATOR’S HANDBOOK
Before using, cleaning or servicing the Cimbali M52 Fully Automatic, Milk Cooler or Cup
Warmer, always follow these basic safety precautions:
1. Read the instructions carefully before using the machines. Ensure that anyone who will be
involved with the cleaning or refilling of the machines also reads the instructions.
2. Eachofthemachinesis to be setup onastablehorizontal surface. Ensure that the ventilation
vents are free of obstructions.
3. The electrical supply leads should never trail from the machine and should always be kept
away from hot surfaces and sharp edges.
4. Theequipmentshouldbe located so thattheelectricalplugs are accessible fordisconnection.
5. Do not operate a machine if any part is damaged, e.g. electrical supply lead, until it has
been checked by a qualified Service Technician.
6. Never immerse a machine in water or any other liquid and never clean with a water jet.
7. If a machine should accidentally freeze up, call a Service Technician to check it before
switching on.
8. Ensure you are conversant with the ‘Health and Safety at Work and Electricity at Work
Regulations 1989’ (see Contents page).
ALWAYS ISOLATE A MACHINE FROM THE ELECTRICITY SUPPLY BEFORE
CLEANING AND SERVICING.
9. It is recommended that the machines are serviced by a Kenco trained Service Technician.
Important Safeguards
Copyright 2002 Kraft Foods.
The information in this Operator’s Handbook was correct at the time of going to print. Kraft
Foods reserves the right to change the specification without notice.
5

OPERATOR’S HANDBOOK
6
Setting Up Instructions
Cimbali M52 Fully Automatic
Master
ON/OFF
switch
Programming
Panel
ESPRESSOTIME
Machine ON
or
ESPRESSOTIME
Machine cold
Please wait
Ensure the machine is connected to the electrical
and water supplies and that both supplies are
switched on.
Manual Switch - On
Lift the display panel to gain access to the
programming panel.
Press the Master Switch, the machine will power
up and one of the following screens will be
displayed.
Note: When a coffee dispensing key is pressed,
the drink will be delivered at the
temperature reached at the time of the
operation. When the tea, cappuccino or
milk keys are pressed, the drink will not
be dispensed until the programmed
temperature has been reached.

OPERATOR’S HANDBOOK
7
Automatic Switch - On
Ifthe“CLOCK”functionhasbeenactivatedthemachine
willswitchonautomaticallyatthepreviouslyprogrammed
time and switch off at the previously programmed time.
The machine displays will be the same as those for the
Manual Switch - On and the functioning of the machine
is also the same.
Note: When the machine is operating in this mode it
should NOT be switched off using the Master
Switch, as this will disable the programmed
timings.
Forced Switch - On
If the machine is operating in the “CLOCK” function
and is in the “switched-off” phase, it may be necessary
to switch the machine on. This may be achieved without
disabling or changing the programmed ON/OFF times.
During “switched-off” phase the machine display will
show:
Press and hold the RESET key for approximately 2
seconds to instigate a forced Switch-On. The display
will show:
To switch the machine off, press and hold the RESET
key for 2 seconds.
The machine will switch on automatically at the next
programmed time.
ESPRESSOTIME
Monday 12:30
or
ESPRESSOTIME
Machine cold
Please wait
ESPRESSOTIME
Machine cold
Please wait
ESPRESSOTIME
Machine cold
Please wait
ESPRESSOTIME
Machine OFF
ON: press RESET
ESPRESSOTIME
Machine cold
Please wait
ESPRESSOTIME
Monday 12:30
OFF: press RESET

OPERATOR’S HANDBOOK
Setting Up Instructions (Cont.)
Adjusting the Clock
The clock may be adjusted only when the “CLOCK” mode is activated.
1. Switch on the machine, the display will show:
2. On the programming panel press the + or - keys to
alter the time as required. Each press of the appropriate
key will change the display in one minute steps. If the
keys are pressed and held, the speed increases. The day
will change when the display reaches 0.00.
Selecting a Language
The display may be changed to show one of the following languages: Italian, English, French,
German, Dutch, Portuguese and Japanese.
1. Switch on the machine.
2. Press the key, the display is shown in the chosen
language.
3. Repeated pressing of the key will scroll the
display through the available languages.
Counter Display and Reset
To view the counter display press the key, the display
will show:
To reset the counters press and hold the RESET key until the
counters reset to zero. Press the key or the EXIT key to
return to the main display.
ESPRESSOTIME
Monday 12:30
ESPRESSOTIME
English
Monday 12:30 P.M.
Example of
English
Nocoffee 35
Nowater 54
Nomilk 28
Reset NO
Nocoffee 00
Nowater 00
Nomilk 00
Reset YES
8

OPERATOR’S HANDBOOK
Filling the Bean Hoppers
TheCimbaliM52 machine isfittedwithtwo beanhoppers. Eachhopperis fitted witharemovable
funnel to ensure a smooth flow of beans to the grinders.
Note: Use only the amount of beans required for the next 3 to 4 hours, coffee beans lose their
aroma and flavour if left in the hoppers for a long time. Ensure that no foreign bodies
enter the bean hopper.
1. Remove the lid from the bean hopper that requires filling.
2. Ensure that the removable funnel is fitted.
3. Fill the bean hopper with required type of fresh coffee beans.
4. Refit the lid to the bean hopper.
Filling the Cup Warmer
WARNING: THE SURFACES OF THE CUP WARMER ARE HOT DURING
OPERATION.
WARNING: ENSURE THAT CUPS ARE PLACED BASE DOWN ON THE
CUPWARMER (PLACING CUPS UPSIDE DOWN CREATES THE
POSSIBILITY OF THE RIM OF THE CUP BURNING THE
DRINKER’S LIPS.
1. Ensure the cups to be loaded are clean and dry.
2. Fill the cup warmer with stackable cups. Stack the cups with the base facing down. Do not
stack more than two cups.
9

OPERATOR’S HANDBOOK
Setting Up Instructions (Cont.)
“Frigomilk” Milk Cooler
1. Ensure the milk cooler is connected to the electrical supply via the voltage transformer.
2. Ensure the milk container is clean and fitted in the machine.
3. Set the ON/OFF switch to ON.
4. Observe the temperature indicator; wait
until the display reaches 5oC (41oF) or
less.
Notes: 1. Use only fresh, chilled, semi-
skimmed milk in the milk
container.
2. Never mix old and fresh milk;
ensure that the milk container
is clean and dry before
replenishing.
3. For better cooling performance
the milk should be at a temperature of approximately 5oC.
5. Remove the lid of the milk cooler and fill the milk container with fresh, chilled, semi-
skimmed milk.
6. Insert the milk tube through the hole in the machine and ensure it is fully immersed in the
milk. Route the milk tube under, not over, the lifting handle.
7. Replace the lid on the machine.
Milk
Container
10

OPERATOR’S HANDBOOK
“Fresh Milk” Milk Cooler
1. Ensure the milk cooler is connected to the
mains electricity supply and that the supply
is switched ON.
2. Insert the milk tube into the hole in the
machine.
3. Press the ON/OFF switch and ensure the
“machine ON” and “high temperature” lights
illuminate.
4. Wait for the “high temperature” light to
extinguish and the “temperature OK” light to
illuminate.
5. Open the machine door and remove the milk
container. Ensure the milk container is clean.
Notes: 1. Use only fresh, chilled, semi-
skimmed milk in the milk container.
2. Never mix old and fresh milk; ensure
that the milk container is clean and
dry before replenishing.
3. For better cooling performance the
milk should be at a temperature of
approximately 5oC.
Remove the milk container lid and fill the
containerwithfresh,chilled, semi-skimmed milk.
Replace the lid.
Insert the milk tube into the hole in the milk container, ensuring it is totally immersed in the
milk.
Refit the milk container in the machine and close the door.
Milk
Tube
Milk
Container
11

OPERATOR’S HANDBOOK
Price Setting
Ensure that the cup warmer is connected to the mains electrical supply, and that the supply is
switched on.
Set the ON/OFF switch to ON and ensure that the
indicator illuminates.
WARNING: THE SHELVES OF THE CUP
WARMER ARE HOT DURING
OPERATION.
WARNING: ENSURE THAT CUPS ARE
PLACED BASE DOWN IN THE
CUP BASKETS (PLACING
CUPSUPSIDEDOWNCREATES
THEPOSSIBILITYOF THERIM
OF THE CUP BURNING THE
DRINKER’S LIPS).
Ensure the cups to be loaded are clean and dry. Load
the cup baskets with stackable cups with the base
facing down. Do not stack more than two cups.
Adjust the temperature control to the required setting.
Setting Up Instructions (Cont.)
Cup Warmer
12

OPERATOR’S HANDBOOK
Coffee/Milk
1. Position a cup on the drip tray, underneath the cappuccino system.
2. Press the key on the selection panel for the required coffee or milk product. The product
LED adjacent to the selected key will illuminate whilst the product is being dispensed.
Delivery will terminate automatically.
3. The temperature of a milk related product
maybeadjustedby altering the flowofmilk
tothemachine. To increasethetemperature
(by reducing the volume of milk) rotate the
milk control valve clockwise. To decrease
thetemperaturerotate the milkcontrolvalve
anticlockwise.
Note: Normally this adjuster should not be
altered. However, if adjustment is required, small adjustments should be made until the
correct temperature (68 - 70oC) is achieved.
Hot Water
1. Position a cup on the drip tray, under the hot water outlet.
2. Press the TEA key on the selection panel. Hot water will be dispensed and the lamp adjacent
to the TEA key will illuminate. Delivery will terminate automatically.
3. If a greater quantity of hot water is required the TEA key should be pressed and held. Hot
water will be dispensed until the key is released.
Note: TheTEAkey is for dispensingsmallamounts of hotwateronly(2 cup teapotsmaximum).
Dispensing Drinks
Milk
Control
Valve
13

OPERATOR’S HANDBOOK
14
The Daily Cleaning instructions detailed in this section are to be carried out at the end of each
working day.
WARNINGS: 1. TAKE NOTE OF THE HEALTH AND SAFETY WARNINGS
RELATING TO THE CLEANING PRODUCTS.
2. HOT WATER, STEAM AND MILK RESIDUE WILL BE ISSUED
FROM THE CAPPUCCINO SYSTEM SPOUTS DURING THE
WASH CYCLES. DO NOT TOUCH THESE PARTS WITH THE
HANDOROTHERPARTSOFTHE BODY UNTILTHECLEANING
CYCLE HAS FINISHED.
3. THE INTERNAL AND EXTERNAL SURFACES OF THE
DELIVERY SPOUTANDTHEEXPOSEDAREAS OF THECOFFEE
CIRCUIT CAN CAUSE BURNS IF HANDLED INCORRECTLY.
Cleaning the Coffee Circuit
The coffee circuit is cleaned using an automatic cleaning cycle, which takes approximately 5
minutes. Coffee cannot be served once the cycle has commenced. The cycle cannot be stopped,
even if the machine is switched off.
This procedure is also to be carried out when requested by the machine. A “Perform Wash
Cycle” message will appear in the display window, and an audible warning will be heard. The
message will be displayed for approximately 10 seconds and repeated every 10 minutes until
the operation is performed.
To perform the wash cycle:
1. Open the cleaning tablet access flap and insert a Bioguard Cleaning Tablet. Close the flap.
2. Lift the display panel. Press and hold the
coffee circuit wash key until the message
“Cleaning” is displayed.
3. Hot water will flow from the cappuccino
spouts.
4. Wait until the automatic wash cycle
finishes.
5. Lower the display panel.
Daily Cleaning
Cimbali M52 Fully Automatic

OPERATOR’S HANDBOOK
15
Cleaning the Milk Circuit
The milk circuit is cleaned using an automatic cleaning cycle after which the cappuccino system
is dismantled and cleaned by hand. This procedure is to be carried out at the end of each day or
when requested by the machine. A “wash milk circuit” message will appear in the display
window and an audible warning will be heard.
The message will be displayed for approximately 10 seconds and repeated every 10 minutes
until the operation is performed.
To clean the milk circuit:
1. Dilute 2 level scoops of Bioguard Milk Cleaner (using 10 ml measuring spoon supplied) in
a container with 800 ml of clean cold water.
2. Remove the milk tube from the milk cooler and
immerse it in the milk cleaner solution.
3. Lift the display panel and press the milk circuit wash key.
4. The milk cleaner will be sucked up automatically and flow
out of the cappuccino system spout.
5. Once the wash cycle has completed remove the cappuccino system cover.
WARNING: THE CAPPUCCINO SYSTEM COMPONENTS WILL BE HOT.