Saeco Aulika SUP040R, Service Manual

Page: 33 / 56

AULIKA 05 FAULT FINDING
Rev. 00 / July 2012 Page / 08 04
3 Hydraulic Circuit
3 Hydraulic Circuit
EVsteam EVwater Pump1
EVdisch. EVcoffee Pump2
T1 xx T2 yy p/s: zz
m Capp m Milk m Tank ^
SECTOR TYPE DESCRIPTION
EVsteam
FUNCTION
If activated, it operates the 24 VDC solenoid valve of the steam circuit
(actual activation occurs only if: - the grounds drawer and the brew unit
niche drawer are assembled and the side door is closed)
EVwater
FUNCTION
If activated, it operates the 24 VDC solenoid valve of the hot water circuit
(actual activation occurs only if: - the grounds drawer and the brew unit
niche drawer are assembled and the side door is closed)
EVdisch.
FUNCTION
If activated, it operates the 24 VDC solenoid valve of the steam circuit
discharge (actual activation occurs only if: - the grounds drawer and the
brew unit niche drawer are assembled and the side door is closed)
EVcoffee
FUNCTION
If activated, it operates the 230VAC solenoid valve
Pump1
FUNCTION
If activated, it operates pump 1 of the coffee circuit
Pump2
FUNCTION
If activated, it operates pump 2 of the water/steam circuit
T1
INFO
Shows the temperature of the coffee boiler in °C
T2
INFO
Shows the temperature of the water/steam boiler in °C
p/s
INFO
Shows the water flow in the turbine at any moment, expressed in pulses
per second. When Pump 1 (coffee pump) is turned on and the 230 V so-
lenoid valve (EVcoffee) is activated the value cannot be lower than 12p/
sec. When Pump 2 (water&steam pump 2) is turned on and the discharge
solenoid valve (EVdisch) is activated the value cannot be lower than 8p/
sec.
m Capp
INFO
shows the status of the presence of the cappuccinatore unit if tur-
ned on it is active
m Milk
INFO
shows the status of the presence of the milk valve in the cappuccinatore
unit if turned on it is active
m Tank
INFO
If active, it shows that the water presence sensor in the tank is ac-
tive and water is present at least to the level of the sensor