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If the pump is plugged in and switched on, but still isn't running, try turning the dial or pressing the up arrow to increase the pump speed. If it still isn't working, the motor may be the problem. An immediate solution is to use one of the other pumps at the pilot plant if no one else is using it. (If the pump has more than one tube running through, you might need to label the tubes before taking them out so they can put back in the right order.) To take a tube out of a pump, lift the lever near the front of the pump and gently pull the beige tube out of the pump. You probably will not need to disconnect any tubes from one another.
Turbidity is unexpectedly high
Allow some time for measurements to stabilize. If this doesn't help, try cleaning the turbidimeter (see Maintenance.
If the flocs look funny
If the flocs are white in color and float,
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