Douwe Egberts Cafitesse 50, Service Manual

Page: 76 / 106

Functions (Machine control) - 6
Version 1.36
02/2004
Connector/pin Voltage Remarks
1-1 5V Power supply 5 V circuit
1-2 GND
1-3 19,75V Power supply 19,75 V circuit (dosing coil)
1-4 24V Power supply 24 V circuit
1-5 GND
1-6 11V Power supply 11 V circuit (peltier element)
3-1 11V Power supply additional fan
3-2 GND Additional fan GND
3-3 - Not connected
5-1 - NTC sensor boiler
5-2 - NTC sensor boiler analogue GND
5-3 - Boiler level sensor
5-4 24V Hot water valve supply
5-5 0/24V Hot water valve return (0V=On/24V=off)
5-6 24V Coffee valve supply
5-7 0/24V Coffee valve return (0V=On/24V=off)
5-8 24V Safety circuit supply
5-9 Safety circuit return
6-1 24V Heater relay
6-2 0/24V Heater relay return (0V=On/24V=off)
7-1 ± 6V Cooling fan GND
7-2 24 V (16,4 V) Cooling fan power supply
7-3 GND Not connected
7-4 GND Not connected
7-5 - NTC sensor cooling analogue GND
7-6 - NTC sensor cooling
8-1 - GND emitter wire III
8-2 - B2 empty detection collector wire III
8-3 - GND kathode wire II
8-4 - IR LED anode wire I
9-1 - GND (Shield)
9-2 - GND (Shield)
9-3 - GND
9-4 0/5V Stop switch (0V=Pressed/5V=Not pressed)
9-5 0/5V Pot of coffee switch (0V=Pressed/5V=Not pressed)
9-6 0/5V Cup of coffee switch (0V=Pressed/5V=Not pressed)
9-7 0/5V Hot water switch (0V=Pressed/5V=Not pressed)
9-8 ±0/±4V Boiler coiler cold LED (0V=Off/4V=On)
9-9 ±0/±4V Water empty LED (0V=Off/4V=On)
9-10 ±0/±4V Coffee empty LED (0V=Off/4V=On)
10-1 ±0/±4V Main switch (0V=Pressed/5V=Not pressed)
10-2 GND
10-3 ±0/±4V Cooling LED (0V=Off/4V=On)
10-4 ±0/±4V Main power LED (0V=Off/4V=On)
10-5 - GND (Shield)
10-6 - GND (Shield)
Pin in- and output voltages