3mp31702 Fix Fixed -
Before completely reassembling, test the vacuum cleaner and carefully listen to the motor.
If the door is sagging even slightly, the sensor won't engage, triggering the error. 3. Check Your Power Supply 3mp31702 fix fixed
The is a thermal motor protector manufactured by Sensata Technologies . It safeguards electric motors from overheating and current overloads. This specific component is a notorious failure point in high-end appliances, most notably the Miele Complete C3 vacuum cleaner series . When the motor overheats—often due to a clogged filter or a ruptured bag—this component fails. The result is a completely dead appliance that refuses to turn on, frequently flashing error lights like a blinking "MAX" indicator. Before completely reassembling, test the vacuum cleaner and
"I have now seen three Miele vacuum cleaners (C3 and S8) in three months where the electronics in the motor were damaged by vibrations. One had a temperature fuse with a broken leg." – Repair Cafe Forum user Check Your Power Supply The is a thermal
In 90% of the cases I saw (including mine), the issue was a corrupted temporary file that refuses to overwrite itself.