Miele W5740 Spins on start of cycle

[char14lew]

This washer screeches into a spin when starting and beeps technical fault. Checked motor and brushes,tacho magnet ok and all resistance readings are fine. It has an ELP165-S board fitted if anyone knows of any problems with these? Thanks Darrell

[electrofix]

check for open circuit tacho wires

check board triac

Dave

[twicknix]

Any photos of motor triac so I know what it looks like? And how do you test the motor tacho and what resistance should it be? I am currently working on same set of scenario,

[electrofix]

tacho should have resistance under about 20K some as low as 100 ohm. when you spin the motor with the meter on ac volts you should get an output of a few volts or so

the triac is mounted on the heatsink on the board. its a three legged device. you should get very little reading between the middle leg and the other 2

Dave

[Author]

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