DeLonghi ECAM23.420 User manual

1
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MAC C HINE DA C AF F E ' AUT OMATIC A
A UT OMA T IC C OF F E E MA C HINE S
DA TI TE C NIC I / TE C HNIC AL DA TA / TE C HNIS C HE DA T E N
DONNE E S TE C HNIQUE S / DA T OS TE C NIC OS
S E ZIONE C AF F E ' / C OF FE E S E C T ION
SCHEDA TECNICA ST1517/ 2009
DE LONGHI ECAM23.420
(INT/CH/ATE/DE/IT)
ULKA EP5W / 48

SCHEMA ELETTRICO / ELECTRICAL DIAGRAM
BIANCO/WHITE
BIANCO/WHITE
ROSSO/RED
ROSSO/RED
VERDE/GREEN
BIANCO/WHITE
BIANCO/WHITE
ROSSO/RED
ROSSO/RED
ROSSO/RED
BIANCO/WHITE
BIANCO/WHITE
NERO/BLACK
NERO/BLACK
BIANCO/WHITE
MARRONE/BROWN MARRONE/BROWN
MARRONE/BROWN
MARRONE/BROWN
MARRONE/BROWN
BLU/BLUE
BLU/BLUE
GIA-VER/YLW-GRN
GIA-VER YLW-GRN
ROSSO/RED
NERO/BLACK
SENSORE REED
REED SENSOR
SONDA TEMP.
TEMP. PROBE
FLUSSIMETRO
FLOWMETER
TCO
THERMAL CUT OFF
TCO
THERMAL CUT OFF
CALDAIA/BOILER
PUMP THERMAL PROTECTOR
MOTOPROTETTORE POMPA
INTERRUTTORE ON/OFF
ON/OFF SWITCH
CELLA DI HALL
HALL CELL
MOTORE TRASMISSIONE
TRANSMISSION MOTOR
+
-
+
-
POMPA/PUMP
P
SCHEDA POTENZA
POWER BOARD
I
0
M
MACININO/COFFEE GRINDER
M
SCHEDA DISPLAY
DISPLAY PCB
LEGENDA MICRO / MICROSWITCHES
Infusore alto / Infuser top position
Infusore basso / Infuser bottom position
Cassetto fondi / Coffee grounds container
Tanica / Tank
Rubinetto / Tap
M1
M2
M3
M4
M5
M2
M3
M4
M1 M5
J5
J13
J1
J9 J6 J7 J8 J4
F1
F2
F3
F4
F5
F8
F7
1234
A
B
A
B
B
A
A
A
B
B
B
C
DD
A
CB
SCHEDA TECNICA ST1517/20092

MOTORE TRASMISSIONE
TRANSMISSION MOTOR
SCHEDA DISPLAY
DISPLAY PCB
SENSORE REED
REED SENSOR
SONDA TEMP.
TEMP. PROBE
FLUSSIMETRO
FLOWMETER
CELLA DI HALL
HALL SENSOR
SCHEDA POTENZA
POWER BOARD
INTERRUTTORE ON/OFF
ON/OFF SWITCH
M1 M5
TCO
THERMAL CUT OFF
TCO
THERMAL CUT OFF
RESISTENZA
HEATING EL.
MACININO/COFFEE GRINDER
M
P
PUMP THERMAL PROTECTOR
MOTOPROTETTORE POMPA
POMPA/PUMP
M4
M3
M2
J9
J6
J13 J5
J1
J7
J8
J4
F7
F5
F8 F4 F3 F2 F1
L
LLL
M
-+
L
N
SCHEDA TECNICA ST1517/20093
SCHEMA ELETTRICO / ELECTRICAL DIAGRAM

Picture 2.
Take off water
tank
Picture 4.
Unscrew the 5 indicated screws
(Torx T20)
Picture 3.
Take off drip tray
and waste container
5.1 Remove back panel 5.2 Unhook side panels
Picture 1
Picture 5
ACCESSIBILITY
Page 1

Picture 6 - TO REMOVE CONTROL PANEL
6.1 Take off plastic hook first
6.2 Take off knob and
frother
6.3 Unscrew the 4
indicated screws (2 on the
back +2 on the sides)
6.4
Lift upper panel
6.6
Unscrew the 2 indicated screws.
Then, lift with care the Control Panel
6.5
Take off cable
Page 2

Picture 7 - TO REMOVE COFFEE GRINDER
7.1
Take off cables on the right
side of the board
7.2
Lift coffee grinder pushing
it back with delicacy
7.3
To separate coffee grinder
unscrew the indicated screw.
8.1
Take off cable and
take out flowmeter
Picture 8 - TO REMOVE FLOWMETER
Page 3

Picture 9 - TO REMOVE PUMP
9.1
Take off the spring
and then the tube
Attention: Some water could come out
from the tube, since the water circuit is
empting out
9.2
Take off pump
9.3
Attention: After you have taken off cables,
you will have to take off pump thermal protector.
Since it is glued, you will have to use a certain strength.
Remember to glue it again when you will reassemble it
10.1
Take off the 4 indicated screws. After you have taken off cables, take out the board
Picture 10 - TO REMOVE BOARD
Page 4

11.1
Unscrew the 4 indicated screw
you find on the rear of the motor
Picture 11 - TO REMOVE MOTOR
11.2
take off the 2 cables
and then take off
the DC motor.
Pay attention to
polarity when
replacing it
Page 5

Picture 12 - TO REMOVE TAP STEAM/HOT WATER
12.1
Take off cables
12.2
Unscrew the 2 indicated screws
12.3
Take off microswitch
Page 6

Picture 13 - TO REMOVE BOILER
13.1
Take off the indicated 2 springs
and the 4 screws.
13.2
Take off the
tube
13.3
Take off the spring
indicated by the arrow and
then the tube
13.4
Take off the cover.
Then unscrew the 2 indicated
screws to disassemble
the boiler
Page 7
Attention: to take off the boiler,
push with delicacy the plastic panel

Picture14 - TO REMOVE INFUSER KIT
Figura 14.1
Open infuser box.
Push the 2 buttons and take out
the infuser
Page 8

Picture 15 - TO REMOVE TRANSMISSION KIT
15.1
Unscrew the 10 indicated screws
15.2
Open infuser box
15.3
Unscrew the 2 indicated screws
(Torx T20) and remove the slider
15.4
Take off the indicated screw
Now the TRASMISSION KIT is free and can be removed
Page 9

15.5
To remoce the Feeler Board (hall Sensor)
unscrew the 2 indicated screw to remove
the Hall sensor
15.6
Pay attention, when you take off the
plastic component, to the 2 indicated
metal spacers
(ATTENTION: about metal
spacers see Technical Info
IT0181)
Page 10

16.1
Unscrew the 2 indicated screws
and remove the coffee spout
Picture 16 - TO REMOVE COFFEE SPOUT
Pag. 11
16.2
Pay attention to the spring
assembled with slider

Picture 17 - TO REMOVE VALVE ASSEMBLY
(ATTENTION: see Technical Info IT0181)
17.1
Take off the 2 springs
and then the
tubes
17.2
Unscrew the 2 indicated screws
using an Allen key (4)
17.3
Take off the spring
and then the tube
which goes from
coffee spout to
infuser
17.4
Unscrew the indicated screw
to take off microswitch
17.5
Take off microswitch
Page 12

Page 13
18.2
Fit in the tube
and then
the spring
18.1
Screw the 2 indicated screws
using an Allen key (4)
Picture 18 - HOW TO ALIGN VALVE
Lift the infuser up to to touch the valve, without pushing with strength: it has only to be
aligned to the valve.
Once you aligned it, fix the 2 screws (pic. 18.2) using an Allen key.

19.1
Water Tank
microswitch
19.3
Steam tap
microswitch
19.4
Infuser bottom limit
microswitch
19.5
Waste container
microswitch
19.6
Reed switch
water tank
19.2
Infuser
Upper Limit
microswitch
Picture 19 - MICROSWITCH AND
WATER REED POSITION
Page 14
ATTENTION: please, pay attention
to never bypass microswitch.
If you should do it
infuser motor would be on
ATTENTION: Water Tank micro,
Waste container micro
and Steam tap micro beep
when are open

WATER CIRCUIT
VALVE
BOILER
SAFETY
VALVE
PUMP
FLOWMETER
DUMPER
WATER TANK
FILTER
DRIP TRAY
EXPANSION
CHAMBER
INFUSER

TEST PROCEDURE FOR
ECAM23.420 INTENSA
To EXIT the procedure, press On/Off Swicth (position 0) or unplug the machine.
TEST PROCEDURE
Pressing each icon below, we can
manually check the devices:
Put Steam Tap on 0.
Plug the machine ON.
Press and hold: 1 Coffee + Steam buttons
Press On/Off Switch (position I)
NOTE: Release bttons when motor
starts moving.
Coffe Boiler ON
Grinder ON
Motor UP, till “UPPER LIMIT
Motor DOWN, till “BOTTOM
LIMIT
Water Pump ON
icon device
NOTE: Water Tank micro, Waste container micro and Steam tap micro beep when are open

To enter the DISPLAY test:
Plug the machine ON.
Press and hold: 1 Coffee + Steam buttons
Press On/Off Switch (position I)
Turning the knob,
the display will show
the bar increasing
or decreasing.
DISPLAY TEST PROCEDURE
Pressing each icon the display
will show following message
icon message
Note: Release buttons after you read the
message “DISPLAY TEST MODE”.
DISPLAY TEST PROCEDURE FOR
ECAM23.420 INTENSA
To EXIT the procedure, press On/Off Swicth (position 0) or unplug the machine.
NOTE: After display Test performing, you need to intialize the machine.
BUTTON 1
BUTTON 2
BUTTON 3
BUTTON 4
BUTTON 5
BUTTON 6
BUTTON 7
Test procedure ends automatically 1 minute after you completed it.