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7 replies to this topic

#1 lsczzzz

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Posted 23 December 2013 - 08:12 PM

when plugged in fan works
compressor clicks
i don't know what is bad, compressor or starter relay or overload protector.
my compressor has different design than others.
where as 3 pin which shape as an triangle, mine is upside down.
googling klixon overload protector only result in shopping no info on testing its functionality.
Same with starter relay i can't find like mine on net.
if anyone has knowledge of testing these will be appreciated.
p.s i saw 3 wires around compressor, but red one was unplugged when i found it.
i wonder if red suppose to be unplugged or not. i can't read circuit diagram.4k70.jpg
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#2 kdog

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Posted 24 December 2013 - 04:26 AM

Something ain't right here, diagram shows the red belongs on a start capacitor but your compressor looks like it has been replaced at some point, and a non-capacitor compressor was used.  The upside down configuration is ok as long as the pins measure out ok, you need to measure continuity between the 3 pins and to ground to rule out an electrically failed compressor.


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#3 kdog

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Posted 24 December 2013 - 06:41 AM

Also, the diagram is for a PTC relay, but that compressor is using an open coil magnetic relay


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#4 Samurai Appliance Repair Man

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Posted 24 December 2013 - 07:42 AM

Also, the diagram is for a PTC relay, but that compressor is using an open coil magnetic relay

 

Very astute observation, Brother kdog!  



#5 lsczzzz

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Posted 24 December 2013 - 09:09 AM

that is true sir, it looks like it had been serviced 

for compressor windings i got 2 + 13 = 15

i need to know how to test magnetic ptc relay and overload protector.



#6 dimitri77565

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Posted 24 December 2013 - 10:38 AM

just test for continuity on overload between line & compressor pin.   on start relay measure line going in with the Start  & Run  outlets.

 

In 1 you will have to turn relay upside down to get reading.  continuity.  Does compressor click right away? or runs for a few seconds?

 

possible bad compressor? also do you have 120v coming in to compressor?  could be weak PCB relay?  might as well use  a 3 in 1

 

start relay since it has been  replaced, cheapest way to test, used them before as temps while looking for OEM Relay on LG , & 2 years later still working, LOL (never found )   yes those start relays associated with your model are NLA.



#7 lsczzzz

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Posted 25 December 2013 - 11:30 PM

overload protector and start relay is good

continuity checks out all good.

120v line coming into compressor good.

 

this is symptoms 

when i plug in the power

 

compressor buzz for 1 sec and overload protector clicks and silence.

this sequence repeats.

 

i am strongly suspect compressor.

but like i posted earlier, electric winding is good. 12 + 3 = 15

checked all 3 pins with compressor bare body shortage but no.

but can compressor mechanically fail?

 

is there anyway i can know compressor is bad other than checking winding?



#8 vee8power

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Posted 26 December 2013 - 07:20 AM

Make a compressor test cord as shown in this post.

https://www.google.c...jqStX-F9L0CdNBw






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