Question about Samsung AW0503B Air Conditioner

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Replaced window unit - new one won't power up (2nd model)

The new A/C is actually a Samsung Energy Saver AW18ECB7 (not found on the list) My old Fredrich (23,000 BTU and 208-230v) widow unit was not blowing cold air; just the fan would turn on. I bought the new A/C (18,000 BTU and 208-230v) and installed it. It is for a 625 sq ft area that includes a kitchen. The new one would not power on. (There is a reset and test button on the plug w/ a green light to indicate it was working). The green light would not turn on and the A/C would not power on. I plugged the old A/C back in to make sure the outlet was working - it was working fine. I took the A/C back and got a replacement - same model. I installed it today, but it also will not power on. The house was built in 1937 and the wiring was redone approximately 1977. The outlet is on it's own breaker and rated for 20A-230v. The plug looks like this: II The outlet looks like this: IL I don't understand why it will run the old one that is much bigger BTU's and the same volts...

Posted by Amber_USAF on


3 Answers

stephannie mejzlik

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Green light comes on when reset, when try to test goes out, power does not come on at all

Posted on Jun 13, 2008



The plug fit - wasn't the problem. Problem fixed: outlet did not have full power.

Posted on Aug 26, 2007



Get an adapter so the correct plug goes into your outlet

Posted on Aug 25, 2007

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Flash 88


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