Temperature - Bosch TCA640 Series Repair Instruction

5.6

Temperature

5.6.1 Temperature pattern
The temperature graph indicates the temperature pattern on the
heater during operation.
I Heating up
II Brewing mode
III Draw coffee (91 °C) / draw hot water (95 °C)
IV Reheating
V Brewing mode
VI Heating up to draw steam (140 °C)
VII Steam ready
VIII Drawing steam
IX Cooling after drawing steam
58300000120060_ARA_en_c.doc – 18.09.09
A Switch on, press Standby button
B Press coffee dispensing button or draw hot water
C Stop drawing coffee / hot water
D Press steam button (right), heating up process begins
E Steam production starts when steam temperature is reached.
F Press steam button (right) to stop steam production, cooling
down process begins
!
After coffee has been drawn,
the appliance may be briefly
disabled from reheating.
As soon as steam has been
drawn, coffee can be brewed
again without waiting for the
appliance to cool down.
Coffee cannot be drawn after
steam has been drawn if there
is too little ground coffee in the
brewing unit. The brewing
process is terminated, there is
no pumping. The brewing unit
moves to the grinding position.
Automatic cooling starts (several
ml of water are conveyed).
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