Monsoon 3bar neg head twin - not running

I have a Monsoon 3bar twin neg head pump. and it doesn't start up on running either hot or cold. The pump makes a humming sound but it appears the motor shaft isn't rotating. I'm guessing one or both impellers have seized. I tried running the pump and tapping the impeller housings lightly without success. After a short while the humming stopped and I'm guessing a thermal cut-out had tripped?
Asked 11 years ago by Anonymous
You could remove the pump ends to see if the filters have broken down and are causing the problem, or you may have a seized motor and need a new pump.

Answered 11 years ago by Anonymous

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