MIELE W1 SERIES WASHING MACHINE Error Su Reset
| CONF | DIAGNOSIS | ACTION |
|---|---|---|
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86%
CONF
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Analog Pressure Sensor
This sensor converts air pressure from the water column into a frequency signal for the control board. If the internal diaphragm becomes brittle or if surfactant residue enters the capillary tube, it produces erratic readings that the machine interprets as foam. Replacing the sensor restores accurate liquid-level monitoring and eliminates false suds detection.
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VIEW ON AMAZON
#CommissionsEarned
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7%
CONF
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Non-Return Valve (Drain System)
The non-return valve prevents wastewater from flowing back into the drum; if it fails or becomes clogged with lint and solidified detergent, it creates turbulence in the drain path. This turbulence generates excess foam within the sump even with moderate detergent use, triggering the Su error code due to hydraulic inefficiency.
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#CommissionsEarned
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7%
CONF
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Pressure Chamber (Air Trap)
The air trap is a plastic reservoir attached to the drum that isolates the pressure sensor from liquid water. Over time, heavy 'bio-film' or detergent sludge can narrow the orifice, causing a 'pneumatic lag' where the air pressure doesn't drop as fast as the water level, leading the software to conclude that suds are blocking the drain path.
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#CommissionsEarned
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DIY Repair Guide
Watch exactly how to replace the Analog Pressure Sensor.
// NOTICE:
This report is generated by an Agentic AI Engineer utilizing probabilistic modeling.
PartSniper is an automated parts recommender service. AI-generated results may not be correct. This data is not a substitute for professional engineering advice or manual inspection. Always verify part compatibility and disconnect power before any repair. PartSniper is not liable for inaccuracies, injury, or damage.