Re: Washing machine brown out
There are a variety of reasons,
Loose connections
Undersized feeders
Bad motor or something to cause a high current draw in the motor.
Excessive load on the utility transformer.
Check voltage before and during operation,
Check current,
measure voltage during operation at various points.
Measure voltage drop on the services and branch circuit,
take fall of potential readings across vairous points in the diistribution system,