Bosch Ascenta SHE4AM12U Repair Instructions - Page 12
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The actuator is "reset" when the detergent door is opened so the
detergent cover opens first the next time the coil is activated.
Detergent tablets dissolve more slowly if there's moisture left in
the detergent dispenser. Two plastic ribs in the detergent cup
prevent detergent tablets from "sticking" to the cup.
CAUTION: Inner door edges are sharp! Cover door
edges and remove dispenser carefully.
4.4
Heat pump
There's no flow-through heater, flow switch or Hi-Limit cutout –
the circulation pump has a flow-through heated cylinder. The 120
VAC, 1200W heater cylinder provides more heating surface area
and heats water a bit faster than traditional flow-through heating
elements (~ 2ºF / minute). The circulation pump (portion) has a
3-pole BLDC motor controlled by the power module.
1
3
2
The dishwasher won't run if the heat pump is disconnected or
disabled.
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1. Pump suspension strap
2. Heating element
3. Seal ring
The heat pump is best accessed from the bottom even though it's
accessible from the back as well.
2
1
3
2
1
1. Heat pump
2. Sump
3. Clamp
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