Articles by tag "pump humming"

1. 819. Old Pump is now only humming and will not run (Non-SpaGuts Parts)
   97
   If your OLD pump now stopped working, does not run at all and only hums, the problem is either the main power supply to the spa, the spa controller not sending correct power to the pump motor, or the pump motor is bad. - Have your electrician check the power supplying to the spa controller. ...