Pump not running
The most likely fault is a faulty capacitor the white thing inside the control box, there is usually some signs of overheating melting on it if it is faulty.
The other thing may be a fault with the relay/relay pack not allowing power to the motor when the pump should be switched on.
If the pump is stalled (Humming) then one of the impellors has disintegrated and jammed the pump or the pump has seized in which case it will need replaced.
Answered 13 years ago by The Shower Doctor
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