Question about Pentair - Pacfab Dynamo Pump Parts: Dynamo Part No. 13 Lid O - Ring

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Strainer became plugged while vacuuming. After cleaning it, the pump will not pump. HChecked impeller for a clog and found nothing.

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  • lvanland Jul 19, 2009

    This is a Challenger Pac-Fab 1 1/2 hp CF11-N1 !/2 A Pump. The motor is running fine, no problem there. It just will not pump. Where do I go from here?

  • lvanland Jul 19, 2009

    There is water in the strainer pot. It is designed to "self-prime" under normal operations. Pool pumps are often on timers where they start unattended.

    I have been operating this equipment for the past 14 years, so I know the routine things to check. The motor is running normally, the impeller is not clogged, nor are the inlet ports. The internal suction caused by the plugged input strainer has caused something to change, but I cannot find the problem.



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Also check if the pump is not having any leaks or cracks.also is the pump firm and tight and ends of the pump not worn out.also try with another spare pump to confirm its not pump and something else.this will lead towards the proper fault.

Posted on Jul 19, 2009

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Sometimes you need to prime the pump to get it to start working. A lot of pumps that pump water don't draw the water to them as you may think. Fill up the reservoir that holds the water, dump some water down where the impeller spins and turn it on and it should work.

Posted on Jul 19, 2009

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If the mechanisms are all in check and nothing has come loose. You may want to check the motor for activity or voltage if there is voltage. Check the wires if they had come loose. The vacuum should also have outlet for the air see if there is nothing blocking it.

Posted on Jul 18, 2009

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1 Answer

Pool pump

What exactly is the problem with the pool pump? Is it not working at all? Try one of these solutions. Make sure that the pump strainer basket is clean and clear. Your impeller vanes could also be clogged. Cleaning with a stiff wire brush through the pump strainer opening will usually
work. An alternate method would be to disassemble and clean. You could have an air leak on the suction side of the pump. Check the cover gasket, hand knobs, hose, clamps, etc. Replace or tighten them as necessary.

Jun 26, 2011 | Hayward EC-40 DE Pool Filter with pump

1 Answer


If your pool pump is acting sluggish it may simply be a build up of debris inside the impeller. Cleaning it is simple if you know how.
Step 1 - Check the Impeller

You can check the impeller for clogs by opening the clear cover that is on the strainer basket. Then place your garden hose into the basket and turn it on high. The water should disappear immediately. If it does not, you may have a clog.
Step 2 - Turn off the Power to the Pump

Before actually removing the clog from your pool pump impeller you will need to turn off the power to it. Remove the basket and use a finger to reach into the hole behind the basket to feel for any debris. If it is clogged, go to step 3.
Step 3 - Disconnect the Pump and Motor

Disconnect the pump and motor from the plumbing. Depending upon the make and model of your pool pump you may be able to skip this step. The motor usually just slides away from the pump.
Step 4 - Remove the Plastic Cover

Take the pump apart by removing the plastic cover over the motor. This cover generally has several small screws holding it on.
Step 5 - Remove and Clean the Impeller

Once the cover is removed you will easily be able to see the clog in the pool pump impeller. Just use your fingers or a coat hanger to clean it out.
Step 6 - Clean

Put everything back together. Once you have it cleaned out you can put the cover back on and put it all back together. Problem solved.

Dec 10, 2010 | Plumbing

1 Answer

My hayward super II pump output return pressure to the pool is very low.. The PSI readings seem normal and I can't see any visible blockings... How else can I test? What can be the problem?

Thank you for posting your question here on

Start with the impeller and strainer baskets. Excessive debris in the basket(s) in front of the pump can reduce flow rates. Another possibility is debris lodged in the impeller vanes. If the baskets do not solve your problem shut down your pump and back out the 6 bolts holding the motor into the pump housing. Pull out the pump end and remove the diffuser covering the impeller (sometimes the diffuser sticks inside the housing and the impeller will already be uncovered). Use a zip tie or something else of similar strength to run thru each vane looking for things such as small toys, marbles, rocks, mulch etc. Once cleared reassemble the pump being careful to align the diffuser back over the impeller and into the pump housing correctly.

If nothing can be found in the impeller and the baskets are all cleaned and still you have reduced return pressure you will have to get into your filter to find the trouble. If you get that far, please post a comment with what brand and model filter you have for more guidance.

If this answer does not fix your problem, please comment with additional details prior to rating the answer. Positive feedback is appreciated once your problem is solved!


Nov 12, 2010 | Hayward SUPER II PUMP STRAINER COVER...

1 Answer

Washer does not drain. We have cleared the lines (which did have some debris). We could hear the pump run, but it did not pump water out. We removed the pump and found that it spins when plugged into...

There is no valve or sensor,did you pull the strainer out of the drain pump and check for debris? if the strainer in the pump is clean and the pump runs but does not drain then the impeller in the pump is bad and the pump will have to be replaced....

Sep 24, 2010 | Whirlpool Duet GHW9150P Front Load Washer

1 Answer

No suction for pool vac

If you are not getting any suction to the vacuum, but the pump is working fine the rest of the time, start by checking all of your connections that conncets the cleaner to the filter and pump. Make sure there are no cracks, lose hoses, etc. Then, check for the following common problems with your pump that might cause low pressure in pool pumps:

1) Pump not primed

2) Leakage of air into suction system

3) Impeller clogged

4) Valve in suction or discharge line partly closed; Suction or discharge

line partly plugged or too small.

5) Plugged basket in skimmer or hair in lint strainer

6) Dirty filter.

Sep 09, 2010 | Jacuzzi MAGNUM POOL PUMP 1-1/2 HP MAGNUM...

1 Answer

Pump won't **** when attach the hose

Its very possible that it is not a problem with the pool pump, but a problem with the conncetion to the vacuum hose. If you are losing pressure only when you vacuum, make sure that your connection is secure and you have no holes, cracks, etc. in your line. If you think that there are definate pool pump problems, check for the following problems.

1) Clogged or restricted strainer or suction line

2) Plugged or restricted discharge line of filter (high

discharge gauge reading).

3) Air leak in suction (bubbles issuing from return fittings).

4) Pump operating underspeed (low voltage).

5) Plugged or restricted impeller.

May 31, 2010 | Hayward 1 Hp 2 Speed Super Pump Inground...

1 Answer

Why is my filter system losing prime?

It could be one of these issues with your pool filter. Try these solutions. If none of them work, let me know and I will do some more research.

1. D.E. coated with normal accumulation of pool dirt, algae, etc.
Solution: Bump your filter.

2. Pump strainer basket or skimmer basket is clogged.
Solution: Clean

3. Pump impeller vanes clogged.
Solution: Cleaning with a stiff wire brush through the pump strainer opening will usually work. Alternate method would be to disassemble and clean.

4. Air Leak on suction side of pump.
Soultion: Check cover gasket, hand knobs, hose, clamps, etc. Replace or tighten as necessary.


May 17, 2010 | Hayward EC-40 DE Pool Filter with pump

2 Answers

The dishwasher will not drain all the way it is a DU810SWLQO

HI. check the following areas for faults.

1. Air gap / Drain hoses
If there is an air gap (located in the sink, near the faucet), check to see if it is clogged. Unscrew the top cap and see if there is anything blocking inside. Note: If there is no air gap installed, the dishwasher might not drain properly.

If the drain hose is clogged, the dishwasher would not drain. If there is an air gap installed, it is very common that a hose going from the air gap into the garbage disposer is clogged. Remove and clean the hose. Make sure to reattach the hose before starting the dishwasher.

Note: If you recently had a garbage disposer installed, it is common to overlook removing the drain plug.

2. Broken belt
Some dishwasher models use a belt to drive the pump. Replace the belt if found broken.

Note: Sometimes the belt would just come off the pump. Even though it might not be broken, it is recommended that you replace the belt, because it is probably too stretched out.

3. Pump
Some models have two impellers inside the pump - one, wash impeller, takes care of the wash cycles, the other, drain impeller, drains the water out. If the drain impeller is broken (broken blades, shaft), the dishwasher would not drain. Replace any broken pump components.

4. Drain solenoid
Some models (for example most GE dishwashers) use a drain solenoid to drain water out. Sometimes the solenoid gets stuck, preventing the water from draining out. Try to free up the solenoid. If unsuccessful, you might have to replace the pump assembly.

5. Motor
If the motor is stuck, it is sometimes possible to free it up by manually spinning the motor.

Replace the motor if defective.

6. Timer
Replace if defective (note: uncommon problem).

Jul 27, 2009 | Dishwashers

1 Answer

How to Clean Pump Strainer basket

Turn the swimming pool pump off and wait for the water to drain from the strainer basket. You want to make sure that the pump is completely off before you proceed. Remove the screws or any items securing the lid of the strainer basket. Open the lid and pull out the strainer basket. Vacuum the strainer basket or scoop out any debris. You may want to run clear water through the basket to ensure you removed all debris. Feel toward the impeller and remove any clogs or obstructions preventing the impeller from working properly. Check the o-ring under the cover of the pump strainer housing. You may need to use a silicon lubricant to ensure a water-tight seal. Put the strainer basket back into the pump strainer housing and pour some water into the basket. Replace the lid and secure it in place. Turn the swimming pool pump on and check for proper pressure. If your pressure doesn't register, you may need to troubleshoot to find the problem.

Aug 27, 2008 | Belle Foret Accessories NBBS2-TB Tumbled...

1 Answer

Washer will not pump out water and have cleaned the strainer


Depending on the specific model of your washer, probable culprit for "No Drain" with the strainer (filter) clean are:
  • stuck/defective drain valve;
  • defective drain pump/impeller;
  • kinks in or clog drain hose.
Please visually inspect/clean (and replace if needed) the above mentioned components.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Aug 01, 2008 | LG Washing Machines

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