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Problem for Whirlpool S20DRSS33 Side by Side Refrigerator

Knocking noise

By Strongbow24 on Sep 09, 2007

" "

My Whirlpool is actually S20DFSS10-A/G

Everything seems to be functioning just fine but there is a knocking noise from the rear bottom right when the fridge is (don't know the terminology) booting the temp ? doing whatever fridges do periodically.
The noise literally sounds like knuckles rapping on wood.
I took off the rear panel and the noise is coming from a white box on the bottom right and the label on this box reads as follows.

ITW ISPRACONTOLS ITAL
Lot 22223 BZATS 1804
220-240 volts
CU 6000000 461950234812B

All local refrigeration repair companies have quoted me £50 callout plus parts and labour but warn me that it will almost certainly be a total cost of in excess of £250 !!!

The machine is just 2 years old, I guess I'd just like confirmation from someone that the above quotes sound reasonable and I'm not being taken advantage of for something that might be very simply cured.

Any help will be gratefully received
Thank You

Comments:

Sep 12, 2007

- Yes this model# is correct
http://www.ciao.co.uk/Whirlpool_S20DFSS1...
Have information gleaned from another site suggesting the white box is the PBC

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Same Problem

Apr 22, 2008

- knocking at bottom left at rear, stops when door is open ,starts when shut
- rosie 70

Best Solution

posted on Sep 11, 2007

Krazytech

Rank: Guru Whirlpool

Expert
Rating: 90%, 673 votes

european appliances run on 220-240 volts systems. much more relible motors and pumps.then the 110-120 volts system in the USA.

The white box is most likely a cover for your compressor .

Sounds like freon knock This noise is most likely due to the refrigerant moving through the system. it can happen in an overcharged system. or a system that has a restriction in it... let us know if you find out anything else..krazttech

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Solution #2

posted on Oct 14, 2009

elwassouf

Rank: Apprentice
Rating: 0%, 0 votes

I got the Same Exact problem with my S2OD RBB32-A/G Whirlpool Ref.
its has a Fast and Random Clicking on the Back in its Motherboard (White Box), i Open the main Board and it seems that its a Relay Who is Going Crazy!
it started to happen for 5 min then last couple of month then its now lasting for 2 and 3 hours!! after this it t works normal, then when the Electricity goes off than On again the Hole cycle accrue over and over.
Also When i Open the Door of the Fridge the clicking stops then comes again when i close the door!
Any Help?

Comments:

Oct 15, 2009

- I have Solved this Problem in my S2OD RBB32-A/G Whirlpool Refrigerator
It was the Capacitors who made the Relay "Click," on the Back Main Board (White Box)
I replaced all the 4 White Capacitors and The Gray Ones,
its Working Now Fine...

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Solution #3

posted on May 12, 2008

maxilo

Rank: Apprentice
Rating: 0%, 0 votes

the white box is the housing for the rear p.c.b. and it will be a relay clicking you are hearing probably caused by capacitors not holding charge (common fault with this machine).

Some people have chnged all the capacitors on the board or indeed pay a £200 + repair bill for the replacment of the circuit boards back and front :(

Comments:

May 12, 2008

- there are 8 capacitors in total. replacing them all does the trick as i had same fault on my machine.

when i removed them all had low values and one was dead but afterwards all has been ok with the unit

water flow is constant and no more clicking relays

hope that helps

Sorry couldnt find where i could edit my last post

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Solution #4

posted on Sep 10, 2007

dididsaythat

Rank: Wiz Whirlpool

Expert
Rating: 84%, 527 votes

That model # dont come up in any of my data bases ...check model # again on inside ref. side on upper top right side.

Seems like a little too much to me... I believe thats more the 250 u.s.

Not sure what this white box is.. saying 220-240 volts... all ref. I worked on was 120volts.
can u give more info on the white box... how many wires? where mounted? ect.

u sure noise comeing from there? If Not,,,
you could check the compressior or lines going to the compressior might be making the noise..

check to see if any of the lines are touching or close enough to hit each other when compressior starts up..

check the rubber bushings under the feet of compressor see if any are loose or anything around them that can rattle... get in back with a light and check close for possible causes

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