Thread Number: 44493  /  Tag: Recent Vacuum Cleaners from past 20 years
Does anyone know how to repair a Shark?
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Post# 462869   5/4/2023 at 13:22 (295 days old) by lbb (USA)        

I have a Shark Navigator NV361PR and part of it stopped working after 5-6 years of once a week use. The detachable motorized powerhead isn't getting power from the main unit. I used a multimeter in the receptacle/socket of the vacuum to confirm this. I don't know how I would go about diagnosing the problem further. Does anyone know?

Post# 462872 , Reply# 1   5/4/2023 at 13:54 (295 days old) by ilovehoovers (England)        

ilovehoovers's profile picture
That's the cool part, you don't! Seriously, they're unrepairable.

Post# 462873 , Reply# 2   5/4/2023 at 14:13 (295 days old) by Blackheart (North Dakota)        
a thought

blackheart's profile picture
So were you getting continuity through those ports? A fairly common failure for the brushroll not running was the micro switch in the heads which is meant to shut off the brushroll when the unit was upright. If you're new to taking the head apart know that there may be screws beneath the small front wheels

Post# 462877 , Reply# 3   5/4/2023 at 15:34 (295 days old) by huskyvacs (Gnaw Bone, Indiana)        

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ilovehoovers - if you can't provide anything helpful do not comment. They are indeed repairable to those who are not lazy and want their vacuum fixed.

The powerhead not getting power can be one of two things - the terminal pins are dirty and need to be sprayed with deoxit and re-seated, or the little microswitch that controls the powerhead has either

a) got dirty and worn out and no longer makes an electrical connection (deoxit)

or

b) some wires have worked loose and got caught in the swivel neck and got pinched and cut open.

Also more unlikely but still possible, check the fuses and diodes on the main board that controls the floor nozzle for any failed parts. Sometimes if it overheats it can blow out the fuse or destroy another circuit in the path.

I have the NV60-26 and that is what happened to mine. Wires got tangled in the swivel neck and got pierced and it would only work when you angled the vacuum hard right or fully upright without reclining it. In addition to that the electrical contact ring around the swivel neck was also extremely dirty and tarnished from use and that is why it only worked in the hard right position as that was the only spot left that was clean.


Post# 462878 , Reply# 4   5/4/2023 at 18:52 (294 days old) by lbb (USA)        

Maybe I didn't explain clearly enough. The problem is not in the powerhead, it's in the vacuum.

The receptacle/socket is not supplying power to the head. I used a multimeter to check this.

I don't know what to check next, mainly because I don't know if I can fix it and get the vacuum back together. The vacuum still works, I just can't vacuum the carpet which is most of the house unfortunately.


Post# 462893 , Reply# 5   5/5/2023 at 00:20 (294 days old) by huskyvacs (Gnaw Bone, Indiana)        

huskyvacs's profile picture

We understand what you mean, but that cant be possible. The socket is always live and it is the powerhead that turns on and off, not the connection. It can't be possible for the socket to be dead because it branches off the vacuum motor.

The only way to know would be to open the vacuum up and trace the wires back along their path and find if anything jumps out as being amiss.


Post# 462894 , Reply# 6   5/5/2023 at 01:02 (294 days old) by kirbylux77 (London, Ontario, Canada)        

kirbylux77's profile picture
Huskyvacs, it is VERY MUCH POSSIBLE for the powerhead socket on the Shark Navigator body to burn out - in fact, it is a known flaw with them. I always tell anyone who has one, to NOT use the lift away feature, just use it as a normal upright, and they won't have the problem of the receptacle burning out. What causes the problem is the latch on the side wearing down over time with use, and it eventually allows the powerhead neck and main body to have enough play between them that it causes arcing and burns out the receptacle.

Also, it is the powerhead receptacle that turns on and off, NOT the powerhead. When the power switch in on I position, it only sends power to the suction motor since the brushroll isn't needed in bare floor mode. It's only when you put the power switch in II position that it sends power to the powerhead to turn on so you can clean carpeting.


Post# 462900 , Reply# 7   5/5/2023 at 14:55 (294 days old) by Lesinutah (Utah)        
?

lesinutah's profile picture
The question I don't understand.
Is the cord bad, THE powerhead circuit board, Is the wiring going out in the coil next to the motor. The powerhead circuit board gets fried.
Electrical wires don'short out they always run electricity through them unless they're melted.
If the poster could draw a pic of what's happening it'd be appreciated because I'm lost.


Post# 462909 , Reply# 8   5/6/2023 at 06:54 (293 days old) by Thevacomaticiec (Bathurst New Brunswick Canada )        

thevacomaticiec's profile picture

Is it  the pig tail to the power  head   or the power head motor it self?

 

check for continuity  from the unit to the power head then the motor it self   , should  lead you in right   direction, if you did this can you order a new  power head neck  or just a  unit??????? 

 

 

Never work o na shark but  must be able find parts some were on ebay i think ?  

worth a shot if it still has suction

 



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