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Thread: error 554 on Samsung UH070cav
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29-07-2013, 12:44 AM #1
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error 554 on Samsung UH070cav
Hi guys! I got samsung EH070Cav indoor unit and UH070cav outdoor unit 1.5 years old. When i turn it on system works for 10 minutes and turns off with 554 error code.
554 - Outdoor unit refrigerant Full leakage(Gas leak)
I checked all pipes, valves for leaks and add a *****. But i have the same thing.
May be the issue is in the pressure switch?
Any ideas?
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30-07-2013, 05:07 PM #2
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Re: error 554 on Samsung UH070cav
Check The Outdoor expansion valve - we have replaced many on the Samsung units - they seem to get stuck causing the compressor to overheat.
Alternatively check strainer (on suction to compressor after the 4 way valve isn't blocked)
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30-07-2013, 08:52 PM #3
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Re: error 554 on Samsung UH070cav
http://www.mediafire.com/download/3o...ice_Manual.pdf
click on link above for manual- correct outdoor- but cassette indoor- no pressure transducer- either faulty temp sensor or compressor not pumping
whats the standing pressure,running pressure, have you weighed out the charge to comfirm correct?
are coils clean- indoor and out
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14-09-2013, 10:11 AM #4
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Re: error 554 on Samsung UH070cav
outdoor PCB? maybe reading the wrong values from temp sensors
Paul
"KEEP IT COOL"
