Douwe Egberts Cafitesse 50, Service Manual

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Functions (Machine control) - 7
Version 1.36
02/2004
Connector/pin Voltage Remarks
11-1 0/5V Cold water empty detection (0V=Water/5V=No water)*
11-2 GND Cold water empty detection GND*
11-3 24V Cold water valve power supply
11-4 0/24V Cold water valve return (0V=On/24V=off)
11-5 GND Not connected
11-6 GND Not connected
11-7 GND Not connected
12-1 - Not connected
12-2 - Not connected
12-3 - Not connected
12-4 - Not connected
12-5 - Not connected
12-6 - Serial out service device
12-7 - GND
12-8 - Not connected
12-9 - Serial in service device
13-1 19,75V Dosing coil power supply
14-1 - Dosing coil return
15-1 0/11V Peltier element (0 V = On / 11 V = 0ff)
16-1 0/11V Peltier element return (0 V = On / 11 V = 0ff)
17-1 5V Power supply
17-2 - Dataline coin mechanism
17-3 - Clockline coin mechanism
17-4 - GND
18-1 0 V B2 Current -
18-2 1,15 V B2 C
18-3 0 / 5 V B2 coil control (Off=0V/On=5V)
(*Not connected when the connector of the fixed water connection is plugged in)