Model #: DD11210
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When the pump is switched on, there are no signs of powering up.
If the motor is damaged, the entire pump must be replaced.
Check the cord for visible damage. If visibly damaged, the power cord needs to be mended or replaced.
When switched on, little or no water flows through the pump. The fluid flow on the pump outlet is very small or non existent.
Check for, and remove, debris or other obstructions. Check the o-ring that seals the pump is not damaged. If it is, it may be the reason debris has entered the pump.
The air maybe released by gently rocking the pump.
Check impeller for damage. If damaged beyond repair, the impeller must be replaced. If the impeller is detached, reattach it. If it became detached because it is missing the rubber stop at the end of the tube that runs through the middle of the impeller, look for the stop which could be loose inside of the pump. If the stop is not found replace it. Another reason the impeller may be detached is because the impeller spindle is damaged. If the impeller spindle is visibly damaged, replace it.
The pump must not run dry. Fully submerge it under water.
If the throttling valve is visibly damaged, it needs to be replaced.
When turned on, the pump makes a high pitched noise while water flows.
Check the impeller. If it is visibly damaged, replace the impeller.
If this is the case, the entire pump must be replaced.
When turned on, the pump produces a large amount of bubbles. This bubbles are easily seen in the water in which the pump is submerged.
The air might be released by gently rocking the pump.
Replace the impeller.
The pump may be flooding. Replace the o-ring.
