Bosch Ascenta SHE4AM12U Repair Instruction - Page 13
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4.12
Aqua sensor
The aqua sensor is located above the drain pump. It's a one-
piece assembly (i.e. not a small circuit board pulled out of a
plastic housing).
It senses water cleanliness and allows the
dishwasher control to determine removing cycles to save energy.
Aqua
sensor
Drain pump
port
Heat pump
4.13
Display and power modules
Ascenta dishwashers have two control modules, a display
module (with display, lights & buttons) in the fascia (control) panel
and a power module in the base on the right side. The power
module controls the BLDC drain pump and heat pump.
Display module
702_58300000130262_ara_en_b
Power module
4.14
Hose system
Several hoses run underneath dishwasher bases: internal drain
hose, condensation tube and water inlet hose. The internal drain
hose connects to the sump and the other hoses connect to the
water inlet / condensation system.
Inlet hose
Condensation
tube
Internal
drain hose
Inlet
hose
Condensation tube
Internal
drain hose
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